From 8821c16206cc43f2cbc24c48bdf7f00d00806470 Mon Sep 17 00:00:00 2001
From: github-actions
 <site-update+github-actions[bot]@users.noreply.github.com>
Date: Wed, 18 Dec 2024 15:53:57 +0000
Subject: [PATCH] [automated site update]

---
 apidoc/html/globals_defs.html     |   2 +-
 apidoc/html/globals_func.html     |  18 ++---
 apidoc/html/globals_x.html        |  22 +++---
 apidoc/html/index.html            |  42 ++++++------
 apidoc/html/navtreedata.js        |   2 +-
 apidoc/html/navtreeindex0.js      |  86 +++++++++++------------
 apidoc/html/navtreeindex1.js      |  24 ++++---
 apidoc/html/search/all_14.js      | 108 ++++++++++++++---------------
 apidoc/html/search/defines_8.js   |   2 +-
 apidoc/html/search/functions_0.js |  90 ++++++++++++------------
 apidoc/html/toc.xml               |  10 ++-
 apidoc/html/xchange_8h.html       | 109 +++++++++++++++++++-----------
 apidoc/html/xchange_8h.js         |   3 +-
 apidoc/html/xjson_8c.html         |  48 ++++++++++++-
 apidoc/html/xjson_8c.js           |   1 +
 apidoc/html/xjson_8h.html         |  56 +++++++++++++--
 apidoc/html/xjson_8h.js           |   3 +-
 apidoc/html/xlookup_8c.html       |   8 +--
 apidoc/html/xstruct_8c.html       | 101 +++++++++++++++++----------
 apidoc/html/xstruct_8c.js         |   3 +-
 apidoc/man/man3/xchange.h.3       |  72 +++++++++++++-------
 apidoc/man/man3/xjson.c.3         |  32 ++++++++-
 apidoc/man/man3/xjson.h.3         |  36 +++++++++-
 apidoc/man/man3/xlookup.c.3       |   8 +--
 apidoc/man/man3/xstruct.c.3       |  64 ++++++++++++------
 apidoc/xchange.tag                |  56 +++++++++++----
 doc/README.md                     |   4 +-
 27 files changed, 664 insertions(+), 346 deletions(-)

diff --git a/apidoc/html/globals_defs.html b/apidoc/html/globals_defs.html
index 5790fe5..9af0f6e 100644
--- a/apidoc/html/globals_defs.html
+++ b/apidoc/html/globals_defs.html
@@ -203,7 +203,7 @@ <h3><a id="index_x" name="index_x"></a>- x -</h3><ul>
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diff --git a/apidoc/html/globals_func.html b/apidoc/html/globals_func.html
index 90add00..bc73124 100644
--- a/apidoc/html/globals_func.html
+++ b/apidoc/html/globals_func.html
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+<div class="ttc" id="axstruct_8c_html_a9dc77bed0d8b738ba615019721a6a2b6"><div class="ttname"><a href="xstruct_8c.html#a9dc77bed0d8b738ba615019721a6a2b6">xCreateStringField</a></div><div class="ttdeci">XField * xCreateStringField(const char *name, const char *value)</div><div class="ttdef"><b>Definition</b> xstruct.c:513</div></div>
+<div class="ttc" id="axstruct_8c_html_aa4405d56659397e044b6d4fdda394dfa"><div class="ttname"><a href="xstruct_8c.html#aa4405d56659397e044b6d4fdda394dfa">xCreateIntField</a></div><div class="ttdeci">XField * xCreateIntField(const char *name, int value)</div><div class="ttdef"><b>Definition</b> xstruct.c:467</div></div>
+<div class="ttc" id="axstruct_8c_html_ab7ac206d0ec3608a0872f09c7f7bc189"><div class="ttname"><a href="xstruct_8c.html#ab7ac206d0ec3608a0872f09c7f7bc189">xCreateDoubleField</a></div><div class="ttdeci">XField * xCreateDoubleField(const char *name, double value)</div><div class="ttdef"><b>Definition</b> xstruct.c:451</div></div>
+<div class="ttc" id="axstruct_8c_html_ad2fa86a7d296f1efa6b41079bc2a6b65"><div class="ttname"><a href="xstruct_8c.html#ad2fa86a7d296f1efa6b41079bc2a6b65">xCreateBooleanField</a></div><div class="ttdeci">XField * xCreateBooleanField(const char *name, boolean value)</div><div class="ttdef"><b>Definition</b> xstruct.c:498</div></div>
 </div><!-- fragment --><p>Under the hood, scalar values are a special case of arrays containing a single element. Scalars have dimension zero i.e., a shape defined by an empty integer array, e.g. <code>int shape[0]</code> in a corresponding <code><a class="el" href="structXField.html" title="An SMA-X field, typically as part of an XStructure. A field may be a reference to a nested XStructure...">XField</a></code> element.</p>
 <p>In this way scalars are distinguished from true arrays containing just a single elements, which have dimensionality &lt;=1 and shapes e.g., <code>int shape[1] = {1}</code> or <code>int shape[2] = {1, 1}</code>. The difference, while subtle, becomes more obvious when serializing the array, e.g. to JSON. A scalar floating point value of 1.04, for example, will appear as <code>1.04</code> in JSON, whereas the 1D and 2D single-element arrays will be serialized as <code>{ 1.04 }</code> or <code>{{ 1.04 }}</code>, respectively.</p>
 <p><a class="anchor" id="arrays"></a> </p>
@@ -256,14 +256,14 @@ <h3><a class="anchor" id="autotoc_md15"></a>
 <div class="line"><span class="comment">// Create a field for the 3-dimensional array with the specified shape.</span></div>
 <div class="line"><a class="code hl_struct" href="structXField.html">XField</a> *f = <a class="code hl_function" href="xstruct_8c.html#a42e4e75cbf8f721ef4b251c692dcd7cb">xCreateField</a>(<span class="stringliteral">&quot;my-array&quot;</span>, <a class="code hl_define" href="xchange_8h.html#a849c7ccb02f63d8554323a889a3d8b4d">X_DOUBLE</a>, 3, sizes, data);</div>
 <div class="ttc" id="axchange_8h_html_a849c7ccb02f63d8554323a889a3d8b4d"><div class="ttname"><a href="xchange_8h.html#a849c7ccb02f63d8554323a889a3d8b4d">X_DOUBLE</a></div><div class="ttdeci">#define X_DOUBLE</div><div class="ttdoc">double-precision (64) bit floating point XType</div><div class="ttdef"><b>Definition</b> xchange.h:93</div></div>
-<div class="ttc" id="axstruct_8c_html_a42e4e75cbf8f721ef4b251c692dcd7cb"><div class="ttname"><a href="xstruct_8c.html#a42e4e75cbf8f721ef4b251c692dcd7cb">xCreateField</a></div><div class="ttdeci">XField * xCreateField(const char *name, XType type, int ndim, const int *sizes, const void *value)</div><div class="ttdef"><b>Definition</b> xstruct.c:309</div></div>
+<div class="ttc" id="axstruct_8c_html_a42e4e75cbf8f721ef4b251c692dcd7cb"><div class="ttname"><a href="xstruct_8c.html#a42e4e75cbf8f721ef4b251c692dcd7cb">xCreateField</a></div><div class="ttdeci">XField * xCreateField(const char *name, XType type, int ndim, const int *sizes, const void *value)</div><div class="ttdef"><b>Definition</b> xstruct.c:326</div></div>
 </div><!-- fragment --><p>Note, that there is no requirement that the native array has the same dimensionality as it's nominal format in the field. We could have declared <code>data</code> as a 1D array <code>double data[2 * 3 * 4] = ...</code>, or really any array (pointer) containing doubles with storage for at least 24 elements. It is the <code>sizes</code> array, along with the dimensionality, which together define the number of elements used from it, and the shape of the array for <b>xchange</b>.</p>
 <p>Arrays of irregular shape or mixed element types can be represented by fields containing an array of <code><a class="el" href="structXField.html" title="An SMA-X field, typically as part of an XStructure. A field may be a reference to a nested XStructure...">XField</a></code> entries:</p>
 <div class="fragment"><div class="line"><a class="code hl_struct" href="structXField.html">XField</a> *row1, row2, ...          <span class="comment">// Heterogeneous entries, each wrapped in an `XField`</span></div>
 <div class="line"><a class="code hl_struct" href="structXField.html">XField</a> data[N] = { *row1, *row2, ... };  <span class="comment">// The irregular / mixed-type array. </span></div>
 <div class="line"> </div>
 <div class="line"><a class="code hl_struct" href="structXField.html">XField</a> *f = <a class="code hl_function" href="xstruct_8c.html#a0b37b00634177189d5e717e3c84820e3">xCreateMixed1DField</a>(<span class="stringliteral">&quot;my_array&quot;</span>, N);</div>
-<div class="ttc" id="axstruct_8c_html_a0b37b00634177189d5e717e3c84820e3"><div class="ttname"><a href="xstruct_8c.html#a0b37b00634177189d5e717e3c84820e3">xCreateMixed1DField</a></div><div class="ttdeci">XField * xCreateMixed1DField(const char *name, int size, XField *array)</div><div class="ttdef"><b>Definition</b> xstruct.c:80</div></div>
+<div class="ttc" id="axstruct_8c_html_a0b37b00634177189d5e717e3c84820e3"><div class="ttname"><a href="xstruct_8c.html#a0b37b00634177189d5e717e3c84820e3">xCreateMixed1DField</a></div><div class="ttdeci">XField * xCreateMixed1DField(const char *name, int size, XField *array)</div><div class="ttdef"><b>Definition</b> xstruct.c:77</div></div>
 </div><!-- fragment --><p>Or, use <code><a class="el" href="xstruct_8c.html#a7bb186343d1ff6dab01cc39e233b9069">xCreateMixedArrayField()</a></code> to create a multi-dimensional array of heterogeneous elements the same way.</p>
 <p><a class="anchor" id="creating-structure"></a> </p>
 <h3><a class="anchor" id="autotoc_md16"></a>
@@ -286,12 +286,12 @@ <h3><a class="anchor" id="autotoc_md16"></a>
 <div class="line"><a class="code hl_function" href="xstruct_8c.html#ab1cb91bd6aa14c0dae9d24bfbe7b76f4">xSetField</a>(sub, <span class="stringliteral">&quot;property&quot;</span>, <a class="code hl_function" href="xstruct_8c.html#a9dc77bed0d8b738ba615019721a6a2b6">xCreateStringField</a>(<span class="stringliteral">&quot;some value here&quot;</span>));</div>
 <div class="ttc" id="astructXStructure_html"><div class="ttname"><a href="structXStructure.html">XStructure</a></div><div class="ttdoc">SMA-X structure object, containing a linked-list of XField elements.</div><div class="ttdef"><b>Definition</b> xchange.h:166</div></div>
 <div class="ttc" id="axstruct_8c_html_a12112584a34e07f9ef7b08f6ef1bc865"><div class="ttname"><a href="xstruct_8c.html#a12112584a34e07f9ef7b08f6ef1bc865">xCreateStruct</a></div><div class="ttdeci">XStructure * xCreateStruct()</div><div class="ttdef"><b>Definition</b> xstruct.c:28</div></div>
-<div class="ttc" id="axstruct_8c_html_ab1cb91bd6aa14c0dae9d24bfbe7b76f4"><div class="ttname"><a href="xstruct_8c.html#ab1cb91bd6aa14c0dae9d24bfbe7b76f4">xSetField</a></div><div class="ttdeci">XField * xSetField(XStructure *s, XField *f)</div><div class="ttdef"><b>Definition</b> xstruct.c:750</div></div>
-<div class="ttc" id="axstruct_8c_html_ad84cbb4639f2fbfb604b698a86caf944"><div class="ttname"><a href="xstruct_8c.html#ad84cbb4639f2fbfb604b698a86caf944">xSetSubstruct</a></div><div class="ttdeci">XField * xSetSubstruct(XStructure *s, const char *name, XStructure *substruct)</div><div class="ttdef"><b>Definition</b> xstruct.c:605</div></div>
+<div class="ttc" id="axstruct_8c_html_ab1cb91bd6aa14c0dae9d24bfbe7b76f4"><div class="ttname"><a href="xstruct_8c.html#ab1cb91bd6aa14c0dae9d24bfbe7b76f4">xSetField</a></div><div class="ttdeci">XField * xSetField(XStructure *s, XField *f)</div><div class="ttdef"><b>Definition</b> xstruct.c:766</div></div>
+<div class="ttc" id="axstruct_8c_html_ad84cbb4639f2fbfb604b698a86caf944"><div class="ttname"><a href="xstruct_8c.html#ad84cbb4639f2fbfb604b698a86caf944">xSetSubstruct</a></div><div class="ttdeci">XField * xSetSubstruct(XStructure *s, const char *name, XStructure *substruct)</div><div class="ttdef"><b>Definition</b> xstruct.c:621</div></div>
 </div><!-- fragment --><p>and then eventually destroyed after use as:</p>
 <div class="fragment"><div class="line"><span class="comment">// Free up all resources used by the structure &#39;s&#39;</span></div>
 <div class="line"><a class="code hl_function" href="xstruct_8c.html#afe3fda2f392bae11e136e8c0c90f086d">xDestroyStruct</a>(s);</div>
-<div class="ttc" id="axstruct_8c_html_afe3fda2f392bae11e136e8c0c90f086d"><div class="ttname"><a href="xstruct_8c.html#afe3fda2f392bae11e136e8c0c90f086d">xDestroyStruct</a></div><div class="ttdeci">void xDestroyStruct(XStructure *s)</div><div class="ttdef"><b>Definition</b> xstruct.c:824</div></div>
+<div class="ttc" id="axstruct_8c_html_afe3fda2f392bae11e136e8c0c90f086d"><div class="ttname"><a href="xstruct_8c.html#afe3fda2f392bae11e136e8c0c90f086d">xDestroyStruct</a></div><div class="ttdeci">void xDestroyStruct(XStructure *s)</div><div class="ttdef"><b>Definition</b> xstruct.c:840</div></div>
 </div><!-- fragment --><p><a class="anchor" id="aggregate-ids"></a> </p>
 <h3><a class="anchor" id="autotoc_md17"></a>
 Aggregate IDs</h3>
@@ -325,11 +325,11 @@ <h3><a class="anchor" id="autotoc_md18"></a>
 <div class="fragment"><div class="line"><span class="comment">// Destroy the replaced fields if they are no longer needed.</span></div>
 <div class="line"><a class="code hl_function" href="xstruct_8c.html#ae0ce99c867b11bd14971031eec8ba4ad">xDestroyField</a>(oldfield);</div>
 <div class="line"><a class="code hl_function" href="xstruct_8c.html#ae0ce99c867b11bd14971031eec8ba4ad">xDestroyField</a>(oldsub);</div>
-<div class="ttc" id="axstruct_8c_html_ae0ce99c867b11bd14971031eec8ba4ad"><div class="ttname"><a href="xstruct_8c.html#ae0ce99c867b11bd14971031eec8ba4ad">xDestroyField</a></div><div class="ttdeci">void xDestroyField(XField *f)</div><div class="ttdef"><b>Definition</b> xstruct.c:872</div></div>
+<div class="ttc" id="axstruct_8c_html_ae0ce99c867b11bd14971031eec8ba4ad"><div class="ttname"><a href="xstruct_8c.html#ae0ce99c867b11bd14971031eec8ba4ad">xDestroyField</a></div><div class="ttdeci">void xDestroyField(XField *f)</div><div class="ttdef"><b>Definition</b> xstruct.c:888</div></div>
 </div><!-- fragment --><p>You can also remove existing fields from structures using <code><a class="el" href="xstruct_8c.html#aec9f913cdb79d8653668a5d9bdda6ab1">xRemoveField()</a></code>, e.g.</p>
 <div class="fragment"><div class="line"><span class="comment">// Remove and then destroy the field named &quot;blah&quot; in structure &#39;s&#39;.</span></div>
 <div class="line"><a class="code hl_function" href="xstruct_8c.html#ae0ce99c867b11bd14971031eec8ba4ad">xDestroyField</a>(<a class="code hl_function" href="xstruct_8c.html#aec9f913cdb79d8653668a5d9bdda6ab1">xRemoveField</a>(s, <span class="stringliteral">&quot;blah&quot;</span>));</div>
-<div class="ttc" id="axstruct_8c_html_aec9f913cdb79d8653668a5d9bdda6ab1"><div class="ttname"><a href="xstruct_8c.html#aec9f913cdb79d8653668a5d9bdda6ab1">xRemoveField</a></div><div class="ttdeci">XField * xRemoveField(XStructure *s, const char *name)</div><div class="ttdef"><b>Definition</b> xstruct.c:652</div></div>
+<div class="ttc" id="axstruct_8c_html_aec9f913cdb79d8653668a5d9bdda6ab1"><div class="ttname"><a href="xstruct_8c.html#aec9f913cdb79d8653668a5d9bdda6ab1">xRemoveField</a></div><div class="ttdeci">XField * xRemoveField(XStructure *s, const char *name)</div><div class="ttdef"><b>Definition</b> xstruct.c:668</div></div>
 </div><!-- fragment --><h4><a class="anchor" id="autotoc_md19"></a>
 Large structures</h4>
 <p>The normal <code><a class="el" href="xstruct_8c.html#a442f155b0c6549549737510ce42bb66d">xGetField()</a></code> and <code><a class="el" href="xstruct_8c.html#a97a58e33c4730e272af459dfb7f016f9">xGetSubstruct()</a></code> functions have computational costs that scale linearly with the number of direct fields in the structure. It is not much of an issue for structures that contain dozens of, or even a couple hundred, fields (per layer). For much larger structures, which have a fixed layout, there is an option for a potentially much more efficient hash-based lookup also. E.g. instead of <code><a class="el" href="xstruct_8c.html#a442f155b0c6549549737510ce42bb66d">xGetField()</a></code> you may use <code><a class="el" href="xlookup_8c.html#a5e3a316b7d0c5c40ed079f3df2d9fcc9">xLookupField()</a></code>:</p>
@@ -345,7 +345,7 @@ <h3><a class="anchor" id="autotoc_md18"></a>
 <div class="line"> </div>
 <div class="line"><span class="comment">// Once done with the lookup, destroy it.</span></div>
 <div class="line">xDestroyLookup(l);</div>
-<div class="ttc" id="axlookup_8c_html_a5e3a316b7d0c5c40ed079f3df2d9fcc9"><div class="ttname"><a href="xlookup_8c.html#a5e3a316b7d0c5c40ed079f3df2d9fcc9">xLookupField</a></div><div class="ttdeci">XField * xLookupField(const XLookupTable *tab, const char *id)</div><div class="ttdef"><b>Definition</b> xlookup.c:415</div></div>
+<div class="ttc" id="axlookup_8c_html_a5e3a316b7d0c5c40ed079f3df2d9fcc9"><div class="ttname"><a href="xlookup_8c.html#a5e3a316b7d0c5c40ed079f3df2d9fcc9">xLookupField</a></div><div class="ttdeci">XField * xLookupField(const XLookupTable *tab, const char *id)</div><div class="ttdef"><b>Definition</b> xlookup.c:433</div></div>
 </div><!-- fragment --><p>Note however, that preparing the lookup table has significant <em>O(N)</em> computational cost also. Therefore, a lookup table is practical only if you are going to use it repeatedly, many times over. As a rule of thumb, lookups may have the advantage if accessing fields in a structure by name hundreds of times, or more.</p>
 <p>The same performance limitation also applies to building large structures, since the <code><a class="el" href="xstruct_8c.html#ab1cb91bd6aa14c0dae9d24bfbe7b76f4">xSetField()</a></code> and <code><a class="el" href="xstruct_8c.html#ad84cbb4639f2fbfb604b698a86caf944">xSetSubstruct()</a></code> functions iterate over the existing fields to check if a prior field by the same name was already present, and which should be removed before the new field is set (hence the time to build up a structure with <em>N</em> fields will scale as _O(N<sup>2</sup>)_ in general). The user may consider using <code><a class="el" href="xstruct_8c.html#ad6249db6da0a1294d5621cd9fd829f7a">xInsertField()</a></code> instead, which is much more scalable for building large structures, since it does not check for duplicates (hence scales as <em>O(N)</em> overall). However, <code><a class="el" href="xstruct_8c.html#ad6249db6da0a1294d5621cd9fd829f7a">xInsertField()</a></code> also makes the ordering of fields less intuitive, and it is left up to the caller to ensure that field names added this way are never duplicated. (Tip: if you used <code>InsertField()</code> consistently, you may call <code><a class="el" href="xstruct_8c.html#ad32d8a3f211a3b101142879ae31146ec">xReverseFieldOrder()</a></code> at the end, so the fields will appear in the same order in which they were inserted.)</p>
 <h4><a class="anchor" id="autotoc_md20"></a>
@@ -371,7 +371,7 @@ <h3><a class="anchor" id="autotoc_md21"></a>
 <div class="line"> </div>
 <div class="line"><span class="comment">// Reverse the order, recursively</span></div>
 <div class="line"><a class="code hl_function" href="xstruct_8c.html#ad32d8a3f211a3b101142879ae31146ec">xReverseFieldOrder</a>(s, <a class="code hl_define" href="xjson_8c.html#aa8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>);</div>
-<div class="ttc" id="axstruct_8c_html_ad32d8a3f211a3b101142879ae31146ec"><div class="ttname"><a href="xstruct_8c.html#ad32d8a3f211a3b101142879ae31146ec">xReverseFieldOrder</a></div><div class="ttdeci">int xReverseFieldOrder(XStructure *s, boolean recursive)</div><div class="ttdef"><b>Definition</b> xstruct.c:1282</div></div>
+<div class="ttc" id="axstruct_8c_html_ad32d8a3f211a3b101142879ae31146ec"><div class="ttname"><a href="xstruct_8c.html#ad32d8a3f211a3b101142879ae31146ec">xReverseFieldOrder</a></div><div class="ttdeci">int xReverseFieldOrder(XStructure *s, boolean recursive)</div><div class="ttdef"><b>Definition</b> xstruct.c:1346</div></div>
 </div><!-- fragment --><hr  />
 <p><a class="anchor" id="json-interchange"></a> </p>
 <h2><a class="anchor" id="autotoc_md23"></a>
@@ -381,28 +381,28 @@ <h2><a class="anchor" id="autotoc_md23"></a>
 <div class="line"> </div>
 <div class="line"><span class="comment">// Obtain a JSON string representation of the structure &#39;s&#39;.</span></div>
 <div class="line">char *json = <a class="code hl_function" href="xjson_8c.html#a53128045970e973134867c96a6465abc">xjsonToString</a>(s);</div>
-<div class="ttc" id="axjson_8c_html_a53128045970e973134867c96a6465abc"><div class="ttname"><a href="xjson_8c.html#a53128045970e973134867c96a6465abc">xjsonToString</a></div><div class="ttdeci">char * xjsonToString(const XStructure *s)</div><div class="ttdef"><b>Definition</b> xjson.c:122</div></div>
+<div class="ttc" id="axjson_8c_html_a53128045970e973134867c96a6465abc"><div class="ttname"><a href="xjson_8c.html#a53128045970e973134867c96a6465abc">xjsonToString</a></div><div class="ttdeci">char * xjsonToString(const XStructure *s)</div><div class="ttdef"><b>Definition</b> xjson.c:135</div></div>
 </div><!-- fragment --><p>The above produces a proper JSON document. Or, you can do the reverse and create an <code><a class="el" href="structXStructure.html" title="SMA-X structure object, containing a linked-list of XField elements.">XStructure</a></code> from its JSON representation, either from a string (a 0-terminated <code>char</code> array):</p>
 <div class="fragment"><div class="line"><span class="keywordtype">int</span> lineNumber = 0;</div>
 <div class="line"><a class="code hl_struct" href="structXStructure.html">XStructure</a> *s1 = <a class="code hl_function" href="xjson_8c.html#af180900a4afeef713a3fdaeb77a9cba3">xjsonParseAt</a>(json, &amp;lineNumber);</div>
 <div class="line"><span class="keywordflow">if</span> (s1 == NULL) {</div>
 <div class="line">   <span class="comment">// Oops, there was some problem...</span></div>
 <div class="line">}</div>
-<div class="ttc" id="axjson_8c_html_af180900a4afeef713a3fdaeb77a9cba3"><div class="ttname"><a href="xjson_8c.html#af180900a4afeef713a3fdaeb77a9cba3">xjsonParseAt</a></div><div class="ttdeci">XStructure * xjsonParseAt(char **pos, int *lineNumber)</div><div class="ttdef"><b>Definition</b> xjson.c:218</div></div>
+<div class="ttc" id="axjson_8c_html_af180900a4afeef713a3fdaeb77a9cba3"><div class="ttname"><a href="xjson_8c.html#af180900a4afeef713a3fdaeb77a9cba3">xjsonParseAt</a></div><div class="ttdeci">XStructure * xjsonParseAt(char **pos, int *lineNumber)</div><div class="ttdef"><b>Definition</b> xjson.c:259</div></div>
 </div><!-- fragment --><p>or parse it from a file, which contains a JSON definition of the structured data:</p>
 <div class="fragment"><div class="line"><a class="code hl_struct" href="structXStructure.html">XStructure</a> *s1 = <a class="code hl_function" href="xjson_8c.html#afff9ee9473a0c939d18dba977cfac075">xjsonParseFilename</a>(<span class="stringliteral">&quot;my-data.json&quot;</span>, &amp;lineNumber);</div>
 <div class="line"><span class="keywordflow">if</span> (s1 == NULL) {</div>
 <div class="line">   <span class="comment">// Oops, there was some problem...</span></div>
 <div class="line">}</div>
-<div class="ttc" id="axjson_8c_html_afff9ee9473a0c939d18dba977cfac075"><div class="ttname"><a href="xjson_8c.html#afff9ee9473a0c939d18dba977cfac075">xjsonParseFilename</a></div><div class="ttdeci">XStructure * xjsonParseFilename(const char *fileName, int *lineNumber)</div><div class="ttdef"><b>Definition</b> xjson.c:288</div></div>
+<div class="ttc" id="axjson_8c_html_afff9ee9473a0c939d18dba977cfac075"><div class="ttname"><a href="xjson_8c.html#afff9ee9473a0c939d18dba977cfac075">xjsonParseFilename</a></div><div class="ttdeci">XStructure * xjsonParseFilename(const char *fileName, int *lineNumber)</div><div class="ttdef"><b>Definition</b> xjson.c:329</div></div>
 </div><!-- fragment --><h3><a class="anchor" id="autotoc_md24"></a>
 Snippets</h3>
-<p>Alternatively, you can also create partial JSON snippets for individual fields, e.g.:</p>
+<p>Alternatively, you can also create partial JSON fragments for individual fields, e.g.:</p>
 <div class="fragment"><div class="line"><a class="code hl_struct" href="structXField.html">XField</a> *f = ...</div>
 <div class="line"> </div>
-<div class="line"><span class="comment">// Obtain a JSON string snippet of the field &#39;f&#39;.</span></div>
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 <p><a class="anchor" id="error-handling"></a> </p>
 <h2><a class="anchor" id="autotoc_md27"></a>
diff --git a/apidoc/html/navtreedata.js b/apidoc/html/navtreedata.js
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diff --git a/apidoc/html/xchange_8h.html b/apidoc/html/xchange_8h.html
index 02e72a5..f4ddcdf 100644
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+<p class="reference">References <a class="el" href="structXField.html#aaa68a7e140a5370ed0eb52710744c341">XField::isSerialized</a>, <a class="el" href="structXField.html#a5ac083a645d964373f022d03df4849c8">XField::name</a>, <a class="el" href="structXField.html#ae1ebaf87eb62e6266b14908eee28e565">XField::next</a>, <a class="el" href="structXField.html#a6535ecc7e6d29e64f0d34cd926823fd9">XField::type</a>, <a class="el" href="structXField.html#a4e9aec275e566b978a3ccb4e043d8c61">XField::value</a>, <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#adb72c72467963a6ace1632638a8a6a7b">X_RAW</a>, <a class="el" href="xchange_8h.html#a2443dd783d2728a3559361fba845e533">X_STRING</a>, <a class="el" href="xchange_8h.html#a63de1f3edab36b1a53ee312ac0711cbb">X_STRUCT</a>, <a class="el" href="xchange_8c.html#ac39ae03ca89b115d49a12f633522dc31">x_trace_null()</a>, <a class="el" href="xstruct_8c.html#ad78b2fb3d6d1474c8a44c57575a6e13b">xCopyOfStruct()</a>, <a class="el" href="xstruct_8c.html#ae0ce99c867b11bd14971031eec8ba4ad">xDestroyField()</a>, <a class="el" href="xchange_8c.html#af5ec26d18b20fc0da9ec9032af73fa9e">xElementSizeOf()</a>, <a class="el" href="xstruct_8c.html#a1720e156de63fd0585224738ccbb5688">xGetFieldCount()</a>, and <a class="el" href="xchange_8c.html#a01d730a1a98963816de2dd73e72957a5">xStringCopyOf()</a>.</p>
 
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 <dd>
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-<dl class="section return"><dt>Returns</dt><dd>the number of fields removed (&lt;=0), or else X_NULL if either of the arguments were NULL, or X_FAILURE if some other error.</dd></dl>
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 <p class="reference">References <a class="el" href="structXLookupTable.html#a8b6505c37d4ff95854b8b00527e4d9fa">XLookupTable::priv</a>, <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#a1d4a0c99f979fd0ecf0e9dcb7191a8d7">X_FAILURE</a>, and <a class="el" href="xchange_8h.html#aadbbe3ae01369cbddf4d57d430b33133">X_NULL</a>.</p>
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 </div>
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-<h2 class="memtitle"><span class="permalink"><a href="#acc31fe75f06a6e0e469fba3a57c4fb25">&#9670;&#160;</a></span>xReduceAllDims()</h2>
+<a id="a36fb99b219c5a61db1d1c3d630277987" name="a36fb99b219c5a61db1d1c3d630277987"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a36fb99b219c5a61db1d1c3d630277987">&#9670;&#160;</a></span>xReduceDims()</h2>
 
 <div class="memitem">
 <div class="memproto">
       <table class="memname">
         <tr>
-          <td class="memname">int xReduceAllDims </td>
+          <td class="memname">int xReduceDims </td>
           <td>(</td>
-          <td class="paramtype"><a class="el" href="structXStructure.html">XStructure</a> *&#160;</td>
-          <td class="paramname"><em>s</em></td><td>)</td>
+          <td class="paramtype">int *&#160;</td>
+          <td class="paramname"><em>ndim</em>, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">int *&#160;</td>
+          <td class="paramname"><em>sizes</em>&#160;</td>
+        </tr>
+        <tr>
           <td></td>
+          <td>)</td>
+          <td></td><td></td>
         </tr>
       </table>
 </div><div class="memdoc">
-<p>Recursively eliminates unneccessary embedding of singular structures inside a structure as well as reduces the dimension of all array fields with <a class="el" href="xstruct_8c.html#a36fb99b219c5a61db1d1c3d630277987">xReduceDims()</a>.</p>
+<p>Reduces the dimensions by eliminating axes that contain a singular elements. Thus a size of {1, 3, 1, 5} will reduce to {3, 5} containing the same number of elements, in fewer dimensions. If any of the dimensions are zero then it reduces to { 0 }.</p>
 <dl class="params"><dt>Parameters</dt><dd>
   <table class="params">
-    <tr><td class="paramname">s</td><td>Pointer to a structure. </td></tr>
+    <tr><td class="paramdir">[in,out]</td><td class="paramname">ndim</td><td>Pointer to the dimensions (will be updated in situ) </td></tr>
+    <tr><td class="paramdir">[in,out]</td><td class="paramname">sizes</td><td>Array of sizes along the dimensions (will be updated in situ) </td></tr>
   </table>
   </dd>
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-<dl class="section return"><dt>Returns</dt><dd>X_SUCCESS (0) if successful or else X_STRUCT_INVALID if the argument is NULL (errno is also set to EINVAL)</dd></dl>
-<dl class="section see"><dt>See also</dt><dd><a class="el" href="xstruct_8c.html#a36fb99b219c5a61db1d1c3d630277987">xReduceDims()</a> </dd></dl>
+<dl class="section return"><dt>Returns</dt><dd>X_SUCCESS (0) if successful or else X_SIZE_INVALID if the ndim argument is NULL, or if it is greater than zero but the sizes argument is NULL (errno set to EINVAL in both cases)</dd></dl>
+<dl class="section see"><dt>See also</dt><dd><a class="el" href="xstruct_8c.html#a12fafe4020caa0baeaaf2698e8490874">xReduceStruct()</a> </dd></dl>
 
-<p class="reference">References <a class="el" href="structXStructure.html#a501ae8af2201d9cfaa60e3af21ff58fc">XStructure::firstField</a>, <a class="el" href="structXField.html#a5ac083a645d964373f022d03df4849c8">XField::name</a>, <a class="el" href="structXField.html#a0d9c8cbc461c7cf86cad8e548f195bd1">XField::ndim</a>, <a class="el" href="structXField.html#ae1ebaf87eb62e6266b14908eee28e565">XField::next</a>, <a class="el" href="structXStructure.html#a82ba053944ce97d83d41c05f68ec4f3d">XStructure::parent</a>, <a class="el" href="structXField.html#af743830ee6c7d5e81a0206b07238ca5d">XField::sizes</a>, <a class="el" href="structXField.html#a6535ecc7e6d29e64f0d34cd926823fd9">XField::type</a>, <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#a63de1f3edab36b1a53ee312ac0711cbb">X_STRUCT</a>, <a class="el" href="xchange_8h.html#af4b6e6d9baf3e6767041faa3e356af7a">X_STRUCT_INVALID</a>, <a class="el" href="xchange_8c.html#a9b61b8b8b3ef0f7cc0b96ab499265c74">x_trace()</a>, <a class="el" href="xstruct_8c.html#a1720e156de63fd0585224738ccbb5688">xGetFieldCount()</a>, <a class="el" href="xstruct_8c.html#acc31fe75f06a6e0e469fba3a57c4fb25">xReduceAllDims()</a>, and <a class="el" href="xstruct_8c.html#a36fb99b219c5a61db1d1c3d630277987">xReduceDims()</a>.</p>
+<p class="reference">References <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#a816c5dad11d9bfd91a795ed1af30e732">X_SIZE_INVALID</a>, and <a class="el" href="xchange_8h.html#a7b2679c964ea5f2160380ed55654b873">X_SUCCESS</a>.</p>
 
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-<h2 class="memtitle"><span class="permalink"><a href="#a36fb99b219c5a61db1d1c3d630277987">&#9670;&#160;</a></span>xReduceDims()</h2>
+<a id="a3a47073404ef29ef9d533f7ad77b40d7" name="a3a47073404ef29ef9d533f7ad77b40d7"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a3a47073404ef29ef9d533f7ad77b40d7">&#9670;&#160;</a></span>xReduceField()</h2>
 
 <div class="memitem">
 <div class="memproto">
       <table class="memname">
         <tr>
-          <td class="memname">int xReduceDims </td>
+          <td class="memname">int xReduceField </td>
           <td>(</td>
-          <td class="paramtype">int *&#160;</td>
-          <td class="paramname"><em>ndim</em>, </td>
-        </tr>
-        <tr>
-          <td class="paramkey"></td>
+          <td class="paramtype"><a class="el" href="structXField.html">XField</a> *&#160;</td>
+          <td class="paramname"><em>f</em></td><td>)</td>
           <td></td>
-          <td class="paramtype">int *&#160;</td>
-          <td class="paramname"><em>sizes</em>&#160;</td>
         </tr>
+      </table>
+</div><div class="memdoc">
+<p>Reduces a field by eliminating extraneous dimensions, and/or wrapping recursively.</p>
+<dl class="params"><dt>Parameters</dt><dd>
+  <table class="params">
+    <tr><td class="paramname">f</td><td>Pointer to a field </td></tr>
+  </table>
+  </dd>
+</dl>
+<dl class="section return"><dt>Returns</dt><dd>X_SUCCESS (0) if successful, or else an <a class="el" href="xchange_8h.html">xchange.h</a> error code &lt;0.</dd></dl>
+<dl class="section see"><dt>See also</dt><dd><a class="el" href="xstruct_8c.html#a12fafe4020caa0baeaaf2698e8490874">xReduceStruct()</a> </dd>
+<dd>
+<a class="el" href="xstruct_8c.html#a36fb99b219c5a61db1d1c3d630277987">xReduceDims()</a> </dd></dl>
+
+<p class="reference">References <a class="el" href="structXField.html#a0d9c8cbc461c7cf86cad8e548f195bd1">XField::ndim</a>, <a class="el" href="structXField.html#af743830ee6c7d5e81a0206b07238ca5d">XField::sizes</a>, <a class="el" href="structXField.html#a6535ecc7e6d29e64f0d34cd926823fd9">XField::type</a>, <a class="el" href="structXField.html#a4e9aec275e566b978a3ccb4e043d8c61">XField::value</a>, <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#a7e4c8b651428f090a441804bd8b7673e">X_FIELD</a>, <a class="el" href="xchange_8h.html#aadbbe3ae01369cbddf4d57d430b33133">X_NULL</a>, <a class="el" href="xchange_8h.html#a63de1f3edab36b1a53ee312ac0711cbb">X_STRUCT</a>, <a class="el" href="xchange_8h.html#a7b2679c964ea5f2160380ed55654b873">X_SUCCESS</a>, <a class="el" href="xstruct_8c.html#a1720e156de63fd0585224738ccbb5688">xGetFieldCount()</a>, <a class="el" href="xstruct_8c.html#a36fb99b219c5a61db1d1c3d630277987">xReduceDims()</a>, and <a class="el" href="xstruct_8c.html#a12fafe4020caa0baeaaf2698e8490874">xReduceStruct()</a>.</p>
+
+</div>
+</div>
+<a id="a12fafe4020caa0baeaaf2698e8490874" name="a12fafe4020caa0baeaaf2698e8490874"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a12fafe4020caa0baeaaf2698e8490874">&#9670;&#160;</a></span>xReduceStruct()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
         <tr>
+          <td class="memname">int xReduceStruct </td>
+          <td>(</td>
+          <td class="paramtype"><a class="el" href="structXStructure.html">XStructure</a> *&#160;</td>
+          <td class="paramname"><em>s</em></td><td>)</td>
           <td></td>
-          <td>)</td>
-          <td></td><td></td>
         </tr>
       </table>
 </div><div class="memdoc">
-<p>Reduces the dimensions by eliminating axes that contain a singular elements. Thus a size of {1, 3, 1, 5} will reduce to {3, 5} containing the same number of elements, in fewer dimensions. If any of the dimensions are zero then it reduces to { 0 }.</p>
+<p>Recursively eliminates unneccessary embedding of singular structures inside a structure as well as reduces the dimension of all array fields with <a class="el" href="xstruct_8c.html#a36fb99b219c5a61db1d1c3d630277987">xReduceDims()</a>. It will also eliminate the unnecessary wrapping of a singular array into a single <a class="el" href="structXField.html" title="An SMA-X field, typically as part of an XStructure. A field may be a reference to a nested XStructure...">XField</a>.</p>
 <dl class="params"><dt>Parameters</dt><dd>
   <table class="params">
-    <tr><td class="paramdir">[in,out]</td><td class="paramname">ndim</td><td>Pointer to the dimensions (will be updated in situ) </td></tr>
-    <tr><td class="paramdir">[in,out]</td><td class="paramname">sizes</td><td>Array of sizes along the dimensions (will be updated in situ) </td></tr>
+    <tr><td class="paramname">s</td><td>Pointer to a structure. </td></tr>
   </table>
   </dd>
 </dl>
-<dl class="section return"><dt>Returns</dt><dd>X_SUCCESS (0) if successful or else X_SIZE_INVALID if the ndim argument is NULL, or if it is greater than zero but the sizes argument is NULL (errno set to EINVAL in both cases)</dd></dl>
-<dl class="section see"><dt>See also</dt><dd><a class="el" href="xstruct_8c.html#acc31fe75f06a6e0e469fba3a57c4fb25">xReduceAllDims()</a> </dd></dl>
+<dl class="section return"><dt>Returns</dt><dd>X_SUCCESS (0) if successful or else X_STRUCT_INVALID if the argument is NULL (errno is also set to EINVAL)</dd></dl>
+<dl class="section see"><dt>See also</dt><dd><a class="el" href="xstruct_8c.html#a3a47073404ef29ef9d533f7ad77b40d7">xReduceField()</a> </dd></dl>
 
-<p class="reference">References <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#a816c5dad11d9bfd91a795ed1af30e732">X_SIZE_INVALID</a>, and <a class="el" href="xchange_8h.html#a7b2679c964ea5f2160380ed55654b873">X_SUCCESS</a>.</p>
+<p class="reference">References <a class="el" href="structXStructure.html#a501ae8af2201d9cfaa60e3af21ff58fc">XStructure::firstField</a>, <a class="el" href="structXField.html#ae1ebaf87eb62e6266b14908eee28e565">XField::next</a>, <a class="el" href="structXStructure.html#a82ba053944ce97d83d41c05f68ec4f3d">XStructure::parent</a>, <a class="el" href="structXField.html#a6535ecc7e6d29e64f0d34cd926823fd9">XField::type</a>, <a class="el" href="structXField.html#a4e9aec275e566b978a3ccb4e043d8c61">XField::value</a>, <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#a63de1f3edab36b1a53ee312ac0711cbb">X_STRUCT</a>, <a class="el" href="xchange_8h.html#af4b6e6d9baf3e6767041faa3e356af7a">X_STRUCT_INVALID</a>, <a class="el" href="xchange_8h.html#a7b2679c964ea5f2160380ed55654b873">X_SUCCESS</a>, <a class="el" href="xstruct_8c.html#a1720e156de63fd0585224738ccbb5688">xGetFieldCount()</a>, <a class="el" href="xstruct_8c.html#a3a47073404ef29ef9d533f7ad77b40d7">xReduceField()</a>, and <a class="el" href="xstruct_8c.html#a12fafe4020caa0baeaaf2698e8490874">xReduceStruct()</a>.</p>
 
 </div>
 </div>
@@ -2844,7 +2877,7 @@ <h2 class="memtitle"><span class="permalink"><a href="#aa1d006a2788adeb0fc9b4799
 <dd>
 <a class="el" href="xstruct_8c.html#ad32d8a3f211a3b101142879ae31146ec">xReverseFieldOrder()</a> </dd></dl>
 
-<p class="reference">References <a class="el" href="structXStructure.html#a501ae8af2201d9cfaa60e3af21ff58fc">XStructure::firstField</a>, <a class="el" href="structXField.html#ae1ebaf87eb62e6266b14908eee28e565">XField::next</a>, <a class="el" href="xjson_8c.html#aa8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>, <a class="el" href="structXField.html#a6535ecc7e6d29e64f0d34cd926823fd9">XField::type</a>, <a class="el" href="structXField.html#a4e9aec275e566b978a3ccb4e043d8c61">XField::value</a>, <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#aadbbe3ae01369cbddf4d57d430b33133">X_NULL</a>, <a class="el" href="xchange_8h.html#a63de1f3edab36b1a53ee312ac0711cbb">X_STRUCT</a>, <a class="el" href="xchange_8h.html#a7b2679c964ea5f2160380ed55654b873">X_SUCCESS</a>, <a class="el" href="xstruct_8c.html#a1720e156de63fd0585224738ccbb5688">xGetFieldCount()</a>, and <a class="el" href="xstruct_8c.html#aa1d006a2788adeb0fc9b4799297a69ff">xSortFields()</a>.</p>
+<p class="reference">References <a class="el" href="structXStructure.html#a501ae8af2201d9cfaa60e3af21ff58fc">XStructure::firstField</a>, <a class="el" href="structXField.html#ae1ebaf87eb62e6266b14908eee28e565">XField::next</a>, <a class="el" href="xjson_8c.html#aa8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>, <a class="el" href="structXField.html#a6535ecc7e6d29e64f0d34cd926823fd9">XField::type</a>, <a class="el" href="structXField.html#a4e9aec275e566b978a3ccb4e043d8c61">XField::value</a>, <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#a1d4a0c99f979fd0ecf0e9dcb7191a8d7">X_FAILURE</a>, <a class="el" href="xchange_8h.html#aadbbe3ae01369cbddf4d57d430b33133">X_NULL</a>, <a class="el" href="xchange_8h.html#a63de1f3edab36b1a53ee312ac0711cbb">X_STRUCT</a>, <a class="el" href="xchange_8h.html#a7b2679c964ea5f2160380ed55654b873">X_SUCCESS</a>, <a class="el" href="xstruct_8c.html#a1720e156de63fd0585224738ccbb5688">xGetFieldCount()</a>, and <a class="el" href="xstruct_8c.html#aa1d006a2788adeb0fc9b4799297a69ff">xSortFields()</a>.</p>
 
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+    [ "xReduceField", "xchange_8h.html#a3a47073404ef29ef9d533f7ad77b40d7", null ],
+    [ "xReduceStruct", "xchange_8h.html#a12fafe4020caa0baeaaf2698e8490874", null ],
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 <p class="reference">References <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>.</p>
 
+</div>
+</div>
+<a id="a01bc599d67f70636a813b103a20170ac" name="a01bc599d67f70636a813b103a20170ac"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a01bc599d67f70636a813b103a20170ac">&#9670;&#160;</a></span>xjsonFieldToIndentedString()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">char * xjsonFieldToIndentedString </td>
+          <td>(</td>
+          <td class="paramtype">int&#160;</td>
+          <td class="paramname"><em>indent</em>, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">const <a class="el" href="structXField.html">XField</a> *&#160;</td>
+          <td class="paramname"><em>f</em>&#160;</td>
+        </tr>
+        <tr>
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+          <td>)</td>
+          <td></td><td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Converts an <a class="el" href="structXField.html" title="An SMA-X field, typically as part of an XStructure. A field may be a reference to a nested XStructure...">XField</a> into its JSON representation, with the specified indentation of white spaces in front of every line. Conversion errors are reported to stderr or the altenate stream set by xSetErrorStream().</p>
+<dl class="params"><dt>Parameters</dt><dd>
+  <table class="params">
+    <tr><td class="paramname">indent</td><td>Number of white spaces to insert in front of each line. </td></tr>
+    <tr><td class="paramname">f</td><td>Pointer to field </td></tr>
+  </table>
+  </dd>
+</dl>
+<dl class="section return"><dt>Returns</dt><dd>String JSON representation, or NULL if there was an error (errno set to EINVAL).</dd></dl>
+<dl class="section see"><dt>See also</dt><dd><a class="el" href="xjson_8c.html#a42101fa63cb1c6e265f317e9b8719d5f">xjsonFieldToString()</a> </dd></dl>
+
+<p class="reference">References <a class="el" href="xjson_8c.html#aa93f0eb578d23995850d61f7d61c55c1">FALSE</a>, <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8c.html#acc701c734a3b95d356660ca5ee16a96a">xErrorDescription()</a>, and <a class="el" href="xchange_8c.html#a01d730a1a98963816de2dd73e72957a5">xStringCopyOf()</a>.</p>
+
 </div>
 </div>
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-<p class="reference">References <a class="el" href="xjson_8c.html#aa93f0eb578d23995850d61f7d61c55c1">FALSE</a>, <a class="el" href="xchange_8c.html#acc701c734a3b95d356660ca5ee16a96a">xErrorDescription()</a>, and <a class="el" href="xchange_8c.html#a01d730a1a98963816de2dd73e72957a5">xStringCopyOf()</a>.</p>
+<p class="reference">References <a class="el" href="xjson_8c.html#a01bc599d67f70636a813b103a20170ac">xjsonFieldToIndentedString()</a>.</p>
 
 </div>
 </div>
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 <dd>
 <a class="el" href="xjson_8c.html#a53128045970e973134867c96a6465abc">xjsonToString()</a> </dd></dl>
 
+<p class="reference">References <a class="el" href="xjson_8h.html#a2c3bb6f2c4cfef06527f0a66c855b6cc">XJSON_DEFAULT_INDENT</a>.</p>
+
 </div>
 </div>
 <a id="af180900a4afeef713a3fdaeb77a9cba3" name="af180900a4afeef713a3fdaeb77a9cba3"></a>
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 <dd>
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+<p class="reference">References <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>.</p>
+
 </div>
 </div>
 <a id="a53128045970e973134867c96a6465abc" name="a53128045970e973134867c96a6465abc"></a>
diff --git a/apidoc/html/xjson_8c.js b/apidoc/html/xjson_8c.js
index 1995e85..5661e50 100644
--- a/apidoc/html/xjson_8c.js
+++ b/apidoc/html/xjson_8c.js
@@ -4,6 +4,7 @@ var xjson_8c =
     [ "FALSE", "xjson_8c.html#aa93f0eb578d23995850d61f7d61c55c1", null ],
     [ "TRUE", "xjson_8c.html#aa8cecfc5c5c054d2875c03e77b7be15d", null ],
     [ "xjsonEscape", "xjson_8c.html#a92336f3031a90784e8667aaa7ad07ca2", null ],
+    [ "xjsonFieldToIndentedString", "xjson_8c.html#a01bc599d67f70636a813b103a20170ac", null ],
     [ "xjsonFieldToString", "xjson_8c.html#a42101fa63cb1c6e265f317e9b8719d5f", null ],
     [ "xjsonGetIndent", "xjson_8c.html#a9f11227a58e797a4a335331d94c8e888", null ],
     [ "xjsonParseAt", "xjson_8c.html#af180900a4afeef713a3fdaeb77a9cba3", null ],
diff --git a/apidoc/html/xjson_8h.html b/apidoc/html/xjson_8h.html
index 1e80657..4c6ab2c 100644
--- a/apidoc/html/xjson_8h.html
+++ b/apidoc/html/xjson_8h.html
@@ -125,15 +125,17 @@
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-<tr class="memitem:ab69c52214e2e6daa2626bf8722f2d73e" id="r_ab69c52214e2e6daa2626bf8722f2d73e"><td class="memItemLeft" align="right" valign="top"><a id="ab69c52214e2e6daa2626bf8722f2d73e" name="ab69c52214e2e6daa2626bf8722f2d73e"></a>
-#define&#160;</td><td class="memItemRight" valign="bottom"><b>XJSON_INDENT</b>&#160;&#160;&#160;&quot;  &quot;</td></tr>
-<tr class="memdesc:ab69c52214e2e6daa2626bf8722f2d73e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Indentation for nested elements. <br /></td></tr>
-<tr class="separator:ab69c52214e2e6daa2626bf8722f2d73e"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a2c3bb6f2c4cfef06527f0a66c855b6cc" id="r_a2c3bb6f2c4cfef06527f0a66c855b6cc"><td class="memItemLeft" align="right" valign="top"><a id="a2c3bb6f2c4cfef06527f0a66c855b6cc" name="a2c3bb6f2c4cfef06527f0a66c855b6cc"></a>
+#define&#160;</td><td class="memItemRight" valign="bottom"><b>XJSON_DEFAULT_INDENT</b>&#160;&#160;&#160;2</td></tr>
+<tr class="memdesc:a2c3bb6f2c4cfef06527f0a66c855b6cc"><td class="mdescLeft">&#160;</td><td class="mdescRight">Number of characters to indent. <br /></td></tr>
+<tr class="separator:a2c3bb6f2c4cfef06527f0a66c855b6cc"><td class="memSeparator" colspan="2">&#160;</td></tr>
 </table><table class="memberdecls">
 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
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 <tr class="separator:a92336f3031a90784e8667aaa7ad07ca2"><td class="memSeparator" colspan="2">&#160;</td></tr>
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+<tr class="separator:a01bc599d67f70636a813b103a20170ac"><td class="memSeparator" colspan="2">&#160;</td></tr>
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 <p class="reference">References <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>.</p>
 
+</div>
+</div>
+<a id="a01bc599d67f70636a813b103a20170ac" name="a01bc599d67f70636a813b103a20170ac"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a01bc599d67f70636a813b103a20170ac">&#9670;&#160;</a></span>xjsonFieldToIndentedString()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">char * xjsonFieldToIndentedString </td>
+          <td>(</td>
+          <td class="paramtype">int&#160;</td>
+          <td class="paramname"><em>indent</em>, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">const <a class="el" href="structXField.html">XField</a> *&#160;</td>
+          <td class="paramname"><em>f</em>&#160;</td>
+        </tr>
+        <tr>
+          <td></td>
+          <td>)</td>
+          <td></td><td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+<p>Converts an <a class="el" href="structXField.html" title="An SMA-X field, typically as part of an XStructure. A field may be a reference to a nested XStructure...">XField</a> into its JSON representation, with the specified indentation of white spaces in front of every line. Conversion errors are reported to stderr or the altenate stream set by xSetErrorStream().</p>
+<dl class="params"><dt>Parameters</dt><dd>
+  <table class="params">
+    <tr><td class="paramname">indent</td><td>Number of white spaces to insert in front of each line. </td></tr>
+    <tr><td class="paramname">f</td><td>Pointer to field </td></tr>
+  </table>
+  </dd>
+</dl>
+<dl class="section return"><dt>Returns</dt><dd>String JSON representation, or NULL if there was an error (errno set to EINVAL).</dd></dl>
+<dl class="section see"><dt>See also</dt><dd><a class="el" href="xjson_8c.html#a42101fa63cb1c6e265f317e9b8719d5f">xjsonFieldToString()</a> </dd></dl>
+
+<p class="reference">References <a class="el" href="xjson_8c.html#aa93f0eb578d23995850d61f7d61c55c1">FALSE</a>, <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8c.html#acc701c734a3b95d356660ca5ee16a96a">xErrorDescription()</a>, and <a class="el" href="xchange_8c.html#a01d730a1a98963816de2dd73e72957a5">xStringCopyOf()</a>.</p>
+
 </div>
 </div>
 <a id="a42101fa63cb1c6e265f317e9b8719d5f" name="a42101fa63cb1c6e265f317e9b8719d5f"></a>
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+<p class="reference">References <a class="el" href="xjson_8c.html#a01bc599d67f70636a813b103a20170ac">xjsonFieldToIndentedString()</a>.</p>
 
 </div>
 </div>
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 <dd>
 <a class="el" href="xjson_8c.html#a53128045970e973134867c96a6465abc">xjsonToString()</a> </dd></dl>
 
+<p class="reference">References <a class="el" href="xjson_8h.html#a2c3bb6f2c4cfef06527f0a66c855b6cc">XJSON_DEFAULT_INDENT</a>.</p>
+
 </div>
 </div>
 <a id="acdb7d242c80b4c9dbeedc62b479bfcc7" name="acdb7d242c80b4c9dbeedc62b479bfcc7"></a>
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 <dd>
 <a class="el" href="xjson_8c.html#a53128045970e973134867c96a6465abc">xjsonToString()</a> </dd></dl>
 
+<p class="reference">References <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>.</p>
+
 </div>
 </div>
 <a id="a53128045970e973134867c96a6465abc" name="a53128045970e973134867c96a6465abc"></a>
diff --git a/apidoc/html/xjson_8h.js b/apidoc/html/xjson_8h.js
index 2dd0f27..0155985 100644
--- a/apidoc/html/xjson_8h.js
+++ b/apidoc/html/xjson_8h.js
@@ -1,8 +1,9 @@
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-    [ "XJSON_INDENT", "xjson_8h.html#ab69c52214e2e6daa2626bf8722f2d73e", null ],
+    [ "XJSON_DEFAULT_INDENT", "xjson_8h.html#a2c3bb6f2c4cfef06527f0a66c855b6cc", null ],
     [ "xjsonEscape", "xjson_8h.html#a92336f3031a90784e8667aaa7ad07ca2", null ],
+    [ "xjsonFieldToIndentedString", "xjson_8h.html#a01bc599d67f70636a813b103a20170ac", null ],
     [ "xjsonFieldToString", "xjson_8h.html#a42101fa63cb1c6e265f317e9b8719d5f", null ],
     [ "xjsonGetIndent", "xjson_8h.html#a9f11227a58e797a4a335331d94c8e888", null ],
     [ "xjsonParseAt", "xjson_8h.html#acdb7d242c80b4c9dbeedc62b479bfcc7", null ],
diff --git a/apidoc/html/xlookup_8c.html b/apidoc/html/xlookup_8c.html
index 4e0a853..acaf1be 100644
--- a/apidoc/html/xlookup_8c.html
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@@ -277,7 +277,7 @@ <h2 class="memtitle"><span class="permalink"><a href="#a13e81b8f1bf3e1c3572ca74e
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   </dd>
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-<dl class="section return"><dt>Returns</dt><dd>the number of fields stored. </dd></dl>
+<dl class="section return"><dt>Returns</dt><dd>the number of fields stored, or an error &lt;0 (usually X_NO_INIT) if the lookup table is invalid </dd></dl>
 
 <p class="reference">References <a class="el" href="structXLookupTable.html#a8b6505c37d4ff95854b8b00527e4d9fa">XLookupTable::priv</a>.</p>
 
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-<dl class="section return"><dt>Returns</dt><dd>0 if successfully added a new field, 1 if updated an existing fields, or else X_NULL if either of the arguments were NULL, or X_FAILURE if some other error.</dd></dl>
+<dl class="section return"><dt>Returns</dt><dd>0 if successfully added a new field, 1 if updated an existing fields, or else X_NULL if either of the arguments were NULL, or X_NO_INIT if the table was not properly initialized, or else X_FAILURE if some other error.</dd></dl>
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 <dd>
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-<dl class="section return"><dt>Returns</dt><dd>the number of fields added (&lt;=0), or else X_NULL if either of the arguments were NULL, or X_FAILURE if some other error.</dd></dl>
+<dl class="section return"><dt>Returns</dt><dd>the number of fields added (&lt;=0), or else X_NULL if either of the arguments were NULL, or X_NO_INIT if the table was not initialized, or else X_FAILURE if some other error.</dd></dl>
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-<dl class="section return"><dt>Returns</dt><dd>the number of fields removed (&lt;=0), or else X_NULL if either of the arguments were NULL, or X_FAILURE if some other error.</dd></dl>
+<dl class="section return"><dt>Returns</dt><dd>the number of fields removed (&lt;=0), or else X_NULL if either of the arguments were NULL, or X_NO_INIT if the table was not initialized, or else X_FAILURE if some other error.</dd></dl>
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diff --git a/apidoc/html/xstruct_8c.html b/apidoc/html/xstruct_8c.html
index f9fba17..3e9c8df 100644
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+<tr class="separator:a3a47073404ef29ef9d533f7ad77b40d7"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a12fafe4020caa0baeaaf2698e8490874" id="r_a12fafe4020caa0baeaaf2698e8490874"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="xstruct_8c.html#a12fafe4020caa0baeaaf2698e8490874">xReduceStruct</a> (<a class="el" href="structXStructure.html">XStructure</a> *s)</td></tr>
+<tr class="separator:a12fafe4020caa0baeaaf2698e8490874"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:aec9f913cdb79d8653668a5d9bdda6ab1" id="r_aec9f913cdb79d8653668a5d9bdda6ab1"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structXField.html">XField</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="xstruct_8c.html#aec9f913cdb79d8653668a5d9bdda6ab1">xRemoveField</a> (<a class="el" href="structXStructure.html">XStructure</a> *s, const char *name)</td></tr>
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@@ -326,7 +328,7 @@ <h2 class="memtitle"><span class="permalink"><a href="#afdb31906269568772fdf63ad
 <dl class="section return"><dt>Returns</dt><dd>A fully independent (deep) copy of the argument or NULL if the input field is NULL.</dd></dl>
 <dl class="section see"><dt>See also</dt><dd><a class="el" href="xstruct_8c.html#ad78b2fb3d6d1474c8a44c57575a6e13b">xCopyOfStruct()</a> </dd></dl>
 
-<p class="reference">References <a class="el" href="structXStructure.html#a501ae8af2201d9cfaa60e3af21ff58fc">XStructure::firstField</a>, <a class="el" href="structXField.html#aaa68a7e140a5370ed0eb52710744c341">XField::isSerialized</a>, <a class="el" href="structXField.html#a5ac083a645d964373f022d03df4849c8">XField::name</a>, <a class="el" href="structXField.html#ae1ebaf87eb62e6266b14908eee28e565">XField::next</a>, <a class="el" href="structXField.html#a6535ecc7e6d29e64f0d34cd926823fd9">XField::type</a>, <a class="el" href="structXField.html#a4e9aec275e566b978a3ccb4e043d8c61">XField::value</a>, <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#adb72c72467963a6ace1632638a8a6a7b">X_RAW</a>, <a class="el" href="xchange_8h.html#a2443dd783d2728a3559361fba845e533">X_STRING</a>, <a class="el" href="xchange_8h.html#a63de1f3edab36b1a53ee312ac0711cbb">X_STRUCT</a>, <a class="el" href="xchange_8c.html#ac39ae03ca89b115d49a12f633522dc31">x_trace_null()</a>, <a class="el" href="xstruct_8c.html#ad78b2fb3d6d1474c8a44c57575a6e13b">xCopyOfStruct()</a>, <a class="el" href="xstruct_8c.html#ae0ce99c867b11bd14971031eec8ba4ad">xDestroyField()</a>, <a class="el" href="xchange_8c.html#af5ec26d18b20fc0da9ec9032af73fa9e">xElementSizeOf()</a>, <a class="el" href="xstruct_8c.html#a1720e156de63fd0585224738ccbb5688">xGetFieldCount()</a>, and <a class="el" href="xchange_8c.html#a01d730a1a98963816de2dd73e72957a5">xStringCopyOf()</a>.</p>
+<p class="reference">References <a class="el" href="structXField.html#aaa68a7e140a5370ed0eb52710744c341">XField::isSerialized</a>, <a class="el" href="structXField.html#a5ac083a645d964373f022d03df4849c8">XField::name</a>, <a class="el" href="structXField.html#ae1ebaf87eb62e6266b14908eee28e565">XField::next</a>, <a class="el" href="structXField.html#a6535ecc7e6d29e64f0d34cd926823fd9">XField::type</a>, <a class="el" href="structXField.html#a4e9aec275e566b978a3ccb4e043d8c61">XField::value</a>, <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#adb72c72467963a6ace1632638a8a6a7b">X_RAW</a>, <a class="el" href="xchange_8h.html#a2443dd783d2728a3559361fba845e533">X_STRING</a>, <a class="el" href="xchange_8h.html#a63de1f3edab36b1a53ee312ac0711cbb">X_STRUCT</a>, <a class="el" href="xchange_8c.html#ac39ae03ca89b115d49a12f633522dc31">x_trace_null()</a>, <a class="el" href="xstruct_8c.html#ad78b2fb3d6d1474c8a44c57575a6e13b">xCopyOfStruct()</a>, <a class="el" href="xstruct_8c.html#ae0ce99c867b11bd14971031eec8ba4ad">xDestroyField()</a>, <a class="el" href="xchange_8c.html#af5ec26d18b20fc0da9ec9032af73fa9e">xElementSizeOf()</a>, <a class="el" href="xstruct_8c.html#a1720e156de63fd0585224738ccbb5688">xGetFieldCount()</a>, and <a class="el" href="xchange_8c.html#a01d730a1a98963816de2dd73e72957a5">xStringCopyOf()</a>.</p>
 
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@@ -575,7 +577,7 @@ <h2 class="memtitle"><span class="permalink"><a href="#a42e4e75cbf8f721ef4b251c6
 </dl>
 <dl class="section return"><dt>Returns</dt><dd>A newly created field with the copy of the supplied data, or NULL if there was an error. </dd></dl>
 
-<p class="reference">References <a class="el" href="structXField.html#a5ac083a645d964373f022d03df4849c8">XField::name</a>, <a class="el" href="structXField.html#a0d9c8cbc461c7cf86cad8e548f195bd1">XField::ndim</a>, <a class="el" href="structXField.html#af743830ee6c7d5e81a0206b07238ca5d">XField::sizes</a>, <a class="el" href="structXField.html#a6535ecc7e6d29e64f0d34cd926823fd9">XField::type</a>, <a class="el" href="structXField.html#a4e9aec275e566b978a3ccb4e043d8c61">XField::value</a>, <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#a910ee1c8cd983bf127f7ca2c705d7894">X_MAX_DIMS</a>, <a class="el" href="xchange_8h.html#adb72c72467963a6ace1632638a8a6a7b">X_RAW</a>, <a class="el" href="xchange_8h.html#a2443dd783d2728a3559361fba845e533">X_STRING</a>, <a class="el" href="xchange_8h.html#a63de1f3edab36b1a53ee312ac0711cbb">X_STRUCT</a>, <a class="el" href="xstruct_8c.html#ae0ce99c867b11bd14971031eec8ba4ad">xDestroyField()</a>, <a class="el" href="xchange_8c.html#af5ec26d18b20fc0da9ec9032af73fa9e">xElementSizeOf()</a>, <a class="el" href="xchange_8c.html#ad35e0d8c0ebbb4948c233f96c54bd8d6">xGetElementCount()</a>, <a class="el" href="xstruct_8c.html#ab9a9fbc1235164bfeed5fbba1f7d8692">xLastSeparator()</a>, and <a class="el" href="xchange_8c.html#a01d730a1a98963816de2dd73e72957a5">xStringCopyOf()</a>.</p>
+<p class="reference">References <a class="el" href="structXField.html#a5ac083a645d964373f022d03df4849c8">XField::name</a>, <a class="el" href="structXField.html#a0d9c8cbc461c7cf86cad8e548f195bd1">XField::ndim</a>, <a class="el" href="structXField.html#af743830ee6c7d5e81a0206b07238ca5d">XField::sizes</a>, <a class="el" href="structXField.html#a6535ecc7e6d29e64f0d34cd926823fd9">XField::type</a>, <a class="el" href="structXField.html#a4e9aec275e566b978a3ccb4e043d8c61">XField::value</a>, <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#a910ee1c8cd983bf127f7ca2c705d7894">X_MAX_DIMS</a>, <a class="el" href="xchange_8h.html#adb72c72467963a6ace1632638a8a6a7b">X_RAW</a>, <a class="el" href="xchange_8h.html#a2443dd783d2728a3559361fba845e533">X_STRING</a>, <a class="el" href="xchange_8h.html#a63de1f3edab36b1a53ee312ac0711cbb">X_STRUCT</a>, <a class="el" href="xchange_8c.html#ac39ae03ca89b115d49a12f633522dc31">x_trace_null()</a>, <a class="el" href="xstruct_8c.html#ae0ce99c867b11bd14971031eec8ba4ad">xDestroyField()</a>, <a class="el" href="xchange_8c.html#af5ec26d18b20fc0da9ec9032af73fa9e">xElementSizeOf()</a>, <a class="el" href="xchange_8c.html#ad35e0d8c0ebbb4948c233f96c54bd8d6">xGetElementCount()</a>, <a class="el" href="xstruct_8c.html#ab9a9fbc1235164bfeed5fbba1f7d8692">xLastSeparator()</a>, and <a class="el" href="xchange_8c.html#a01d730a1a98963816de2dd73e72957a5">xStringCopyOf()</a>.</p>
 
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 <dd>
 <a class="el" href="xstruct_8c.html#a442f155b0c6549549737510ce42bb66d">xGetField()</a> </dd></dl>
 
-<p class="reference">References <a class="el" href="structXField.html#a6535ecc7e6d29e64f0d34cd926823fd9">XField::type</a>, <a class="el" href="structXField.html#a4e9aec275e566b978a3ccb4e043d8c61">XField::value</a>, <a class="el" href="xchange_8h.html#a63de1f3edab36b1a53ee312ac0711cbb">X_STRUCT</a>, and <a class="el" href="xstruct_8c.html#a442f155b0c6549549737510ce42bb66d">xGetField()</a>.</p>
+<p class="reference">References <a class="el" href="structXField.html#a6535ecc7e6d29e64f0d34cd926823fd9">XField::type</a>, <a class="el" href="structXField.html#a4e9aec275e566b978a3ccb4e043d8c61">XField::value</a>, <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#a63de1f3edab36b1a53ee312ac0711cbb">X_STRUCT</a>, and <a class="el" href="xstruct_8c.html#a442f155b0c6549549737510ce42bb66d">xGetField()</a>.</p>
 
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@@ -1307,72 +1309,103 @@ <h2 class="memtitle"><span class="permalink"><a href="#af436eb535b32fa88ab4e600c
 
 </div>
 </div>
-<a id="acc31fe75f06a6e0e469fba3a57c4fb25" name="acc31fe75f06a6e0e469fba3a57c4fb25"></a>
-<h2 class="memtitle"><span class="permalink"><a href="#acc31fe75f06a6e0e469fba3a57c4fb25">&#9670;&#160;</a></span>xReduceAllDims()</h2>
+<a id="a36fb99b219c5a61db1d1c3d630277987" name="a36fb99b219c5a61db1d1c3d630277987"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a36fb99b219c5a61db1d1c3d630277987">&#9670;&#160;</a></span>xReduceDims()</h2>
 
 <div class="memitem">
 <div class="memproto">
       <table class="memname">
         <tr>
-          <td class="memname">int xReduceAllDims </td>
+          <td class="memname">int xReduceDims </td>
           <td>(</td>
-          <td class="paramtype"><a class="el" href="structXStructure.html">XStructure</a> *&#160;</td>
-          <td class="paramname"><em>s</em></td><td>)</td>
+          <td class="paramtype">int *&#160;</td>
+          <td class="paramname"><em>ndim</em>, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">int *&#160;</td>
+          <td class="paramname"><em>sizes</em>&#160;</td>
+        </tr>
+        <tr>
           <td></td>
+          <td>)</td>
+          <td></td><td></td>
         </tr>
       </table>
 </div><div class="memdoc">
-<p>Recursively eliminates unneccessary embedding of singular structures inside a structure as well as reduces the dimension of all array fields with <a class="el" href="xstruct_8c.html#a36fb99b219c5a61db1d1c3d630277987">xReduceDims()</a>.</p>
+<p>Reduces the dimensions by eliminating axes that contain a singular elements. Thus a size of {1, 3, 1, 5} will reduce to {3, 5} containing the same number of elements, in fewer dimensions. If any of the dimensions are zero then it reduces to { 0 }.</p>
 <dl class="params"><dt>Parameters</dt><dd>
   <table class="params">
-    <tr><td class="paramname">s</td><td>Pointer to a structure. </td></tr>
+    <tr><td class="paramdir">[in,out]</td><td class="paramname">ndim</td><td>Pointer to the dimensions (will be updated in situ) </td></tr>
+    <tr><td class="paramdir">[in,out]</td><td class="paramname">sizes</td><td>Array of sizes along the dimensions (will be updated in situ) </td></tr>
   </table>
   </dd>
 </dl>
-<dl class="section return"><dt>Returns</dt><dd>X_SUCCESS (0) if successful or else X_STRUCT_INVALID if the argument is NULL (errno is also set to EINVAL)</dd></dl>
-<dl class="section see"><dt>See also</dt><dd><a class="el" href="xstruct_8c.html#a36fb99b219c5a61db1d1c3d630277987">xReduceDims()</a> </dd></dl>
+<dl class="section return"><dt>Returns</dt><dd>X_SUCCESS (0) if successful or else X_SIZE_INVALID if the ndim argument is NULL, or if it is greater than zero but the sizes argument is NULL (errno set to EINVAL in both cases)</dd></dl>
+<dl class="section see"><dt>See also</dt><dd><a class="el" href="xstruct_8c.html#a12fafe4020caa0baeaaf2698e8490874">xReduceStruct()</a> </dd></dl>
 
-<p class="reference">References <a class="el" href="structXStructure.html#a501ae8af2201d9cfaa60e3af21ff58fc">XStructure::firstField</a>, <a class="el" href="structXField.html#a5ac083a645d964373f022d03df4849c8">XField::name</a>, <a class="el" href="structXField.html#a0d9c8cbc461c7cf86cad8e548f195bd1">XField::ndim</a>, <a class="el" href="structXField.html#ae1ebaf87eb62e6266b14908eee28e565">XField::next</a>, <a class="el" href="structXStructure.html#a82ba053944ce97d83d41c05f68ec4f3d">XStructure::parent</a>, <a class="el" href="structXField.html#af743830ee6c7d5e81a0206b07238ca5d">XField::sizes</a>, <a class="el" href="structXField.html#a6535ecc7e6d29e64f0d34cd926823fd9">XField::type</a>, <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#a63de1f3edab36b1a53ee312ac0711cbb">X_STRUCT</a>, <a class="el" href="xchange_8h.html#af4b6e6d9baf3e6767041faa3e356af7a">X_STRUCT_INVALID</a>, <a class="el" href="xchange_8c.html#a9b61b8b8b3ef0f7cc0b96ab499265c74">x_trace()</a>, <a class="el" href="xstruct_8c.html#a1720e156de63fd0585224738ccbb5688">xGetFieldCount()</a>, <a class="el" href="xstruct_8c.html#acc31fe75f06a6e0e469fba3a57c4fb25">xReduceAllDims()</a>, and <a class="el" href="xstruct_8c.html#a36fb99b219c5a61db1d1c3d630277987">xReduceDims()</a>.</p>
+<p class="reference">References <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#a816c5dad11d9bfd91a795ed1af30e732">X_SIZE_INVALID</a>, and <a class="el" href="xchange_8h.html#a7b2679c964ea5f2160380ed55654b873">X_SUCCESS</a>.</p>
 
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 </div>
-<a id="a36fb99b219c5a61db1d1c3d630277987" name="a36fb99b219c5a61db1d1c3d630277987"></a>
-<h2 class="memtitle"><span class="permalink"><a href="#a36fb99b219c5a61db1d1c3d630277987">&#9670;&#160;</a></span>xReduceDims()</h2>
+<a id="a3a47073404ef29ef9d533f7ad77b40d7" name="a3a47073404ef29ef9d533f7ad77b40d7"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a3a47073404ef29ef9d533f7ad77b40d7">&#9670;&#160;</a></span>xReduceField()</h2>
 
 <div class="memitem">
 <div class="memproto">
       <table class="memname">
         <tr>
-          <td class="memname">int xReduceDims </td>
+          <td class="memname">int xReduceField </td>
           <td>(</td>
-          <td class="paramtype">int *&#160;</td>
-          <td class="paramname"><em>ndim</em>, </td>
-        </tr>
-        <tr>
-          <td class="paramkey"></td>
+          <td class="paramtype"><a class="el" href="structXField.html">XField</a> *&#160;</td>
+          <td class="paramname"><em>f</em></td><td>)</td>
           <td></td>
-          <td class="paramtype">int *&#160;</td>
-          <td class="paramname"><em>sizes</em>&#160;</td>
         </tr>
+      </table>
+</div><div class="memdoc">
+<p>Reduces a field by eliminating extraneous dimensions, and/or wrapping recursively.</p>
+<dl class="params"><dt>Parameters</dt><dd>
+  <table class="params">
+    <tr><td class="paramname">f</td><td>Pointer to a field </td></tr>
+  </table>
+  </dd>
+</dl>
+<dl class="section return"><dt>Returns</dt><dd>X_SUCCESS (0) if successful, or else an <a class="el" href="xchange_8h.html">xchange.h</a> error code &lt;0.</dd></dl>
+<dl class="section see"><dt>See also</dt><dd><a class="el" href="xstruct_8c.html#a12fafe4020caa0baeaaf2698e8490874">xReduceStruct()</a> </dd>
+<dd>
+<a class="el" href="xstruct_8c.html#a36fb99b219c5a61db1d1c3d630277987">xReduceDims()</a> </dd></dl>
+
+<p class="reference">References <a class="el" href="structXField.html#a0d9c8cbc461c7cf86cad8e548f195bd1">XField::ndim</a>, <a class="el" href="structXField.html#af743830ee6c7d5e81a0206b07238ca5d">XField::sizes</a>, <a class="el" href="structXField.html#a6535ecc7e6d29e64f0d34cd926823fd9">XField::type</a>, <a class="el" href="structXField.html#a4e9aec275e566b978a3ccb4e043d8c61">XField::value</a>, <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#a7e4c8b651428f090a441804bd8b7673e">X_FIELD</a>, <a class="el" href="xchange_8h.html#aadbbe3ae01369cbddf4d57d430b33133">X_NULL</a>, <a class="el" href="xchange_8h.html#a63de1f3edab36b1a53ee312ac0711cbb">X_STRUCT</a>, <a class="el" href="xchange_8h.html#a7b2679c964ea5f2160380ed55654b873">X_SUCCESS</a>, <a class="el" href="xstruct_8c.html#a1720e156de63fd0585224738ccbb5688">xGetFieldCount()</a>, <a class="el" href="xstruct_8c.html#a36fb99b219c5a61db1d1c3d630277987">xReduceDims()</a>, and <a class="el" href="xstruct_8c.html#a12fafe4020caa0baeaaf2698e8490874">xReduceStruct()</a>.</p>
+
+</div>
+</div>
+<a id="a12fafe4020caa0baeaaf2698e8490874" name="a12fafe4020caa0baeaaf2698e8490874"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a12fafe4020caa0baeaaf2698e8490874">&#9670;&#160;</a></span>xReduceStruct()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
         <tr>
+          <td class="memname">int xReduceStruct </td>
+          <td>(</td>
+          <td class="paramtype"><a class="el" href="structXStructure.html">XStructure</a> *&#160;</td>
+          <td class="paramname"><em>s</em></td><td>)</td>
           <td></td>
-          <td>)</td>
-          <td></td><td></td>
         </tr>
       </table>
 </div><div class="memdoc">
-<p>Reduces the dimensions by eliminating axes that contain a singular elements. Thus a size of {1, 3, 1, 5} will reduce to {3, 5} containing the same number of elements, in fewer dimensions. If any of the dimensions are zero then it reduces to { 0 }.</p>
+<p>Recursively eliminates unneccessary embedding of singular structures inside a structure as well as reduces the dimension of all array fields with <a class="el" href="xstruct_8c.html#a36fb99b219c5a61db1d1c3d630277987">xReduceDims()</a>. It will also eliminate the unnecessary wrapping of a singular array into a single <a class="el" href="structXField.html" title="An SMA-X field, typically as part of an XStructure. A field may be a reference to a nested XStructure...">XField</a>.</p>
 <dl class="params"><dt>Parameters</dt><dd>
   <table class="params">
-    <tr><td class="paramdir">[in,out]</td><td class="paramname">ndim</td><td>Pointer to the dimensions (will be updated in situ) </td></tr>
-    <tr><td class="paramdir">[in,out]</td><td class="paramname">sizes</td><td>Array of sizes along the dimensions (will be updated in situ) </td></tr>
+    <tr><td class="paramname">s</td><td>Pointer to a structure. </td></tr>
   </table>
   </dd>
 </dl>
-<dl class="section return"><dt>Returns</dt><dd>X_SUCCESS (0) if successful or else X_SIZE_INVALID if the ndim argument is NULL, or if it is greater than zero but the sizes argument is NULL (errno set to EINVAL in both cases)</dd></dl>
-<dl class="section see"><dt>See also</dt><dd><a class="el" href="xstruct_8c.html#acc31fe75f06a6e0e469fba3a57c4fb25">xReduceAllDims()</a> </dd></dl>
+<dl class="section return"><dt>Returns</dt><dd>X_SUCCESS (0) if successful or else X_STRUCT_INVALID if the argument is NULL (errno is also set to EINVAL)</dd></dl>
+<dl class="section see"><dt>See also</dt><dd><a class="el" href="xstruct_8c.html#a3a47073404ef29ef9d533f7ad77b40d7">xReduceField()</a> </dd></dl>
 
-<p class="reference">References <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#a816c5dad11d9bfd91a795ed1af30e732">X_SIZE_INVALID</a>, and <a class="el" href="xchange_8h.html#a7b2679c964ea5f2160380ed55654b873">X_SUCCESS</a>.</p>
+<p class="reference">References <a class="el" href="structXStructure.html#a501ae8af2201d9cfaa60e3af21ff58fc">XStructure::firstField</a>, <a class="el" href="structXField.html#ae1ebaf87eb62e6266b14908eee28e565">XField::next</a>, <a class="el" href="structXStructure.html#a82ba053944ce97d83d41c05f68ec4f3d">XStructure::parent</a>, <a class="el" href="structXField.html#a6535ecc7e6d29e64f0d34cd926823fd9">XField::type</a>, <a class="el" href="structXField.html#a4e9aec275e566b978a3ccb4e043d8c61">XField::value</a>, <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#a63de1f3edab36b1a53ee312ac0711cbb">X_STRUCT</a>, <a class="el" href="xchange_8h.html#af4b6e6d9baf3e6767041faa3e356af7a">X_STRUCT_INVALID</a>, <a class="el" href="xchange_8h.html#a7b2679c964ea5f2160380ed55654b873">X_SUCCESS</a>, <a class="el" href="xstruct_8c.html#a1720e156de63fd0585224738ccbb5688">xGetFieldCount()</a>, <a class="el" href="xstruct_8c.html#a3a47073404ef29ef9d533f7ad77b40d7">xReduceField()</a>, and <a class="el" href="xstruct_8c.html#a12fafe4020caa0baeaaf2698e8490874">xReduceStruct()</a>.</p>
 
 </div>
 </div>
@@ -1637,7 +1670,7 @@ <h2 class="memtitle"><span class="permalink"><a href="#aa1d006a2788adeb0fc9b4799
 <dd>
 <a class="el" href="xstruct_8c.html#ad32d8a3f211a3b101142879ae31146ec">xReverseFieldOrder()</a> </dd></dl>
 
-<p class="reference">References <a class="el" href="structXStructure.html#a501ae8af2201d9cfaa60e3af21ff58fc">XStructure::firstField</a>, <a class="el" href="structXField.html#ae1ebaf87eb62e6266b14908eee28e565">XField::next</a>, <a class="el" href="xjson_8c.html#aa8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>, <a class="el" href="structXField.html#a6535ecc7e6d29e64f0d34cd926823fd9">XField::type</a>, <a class="el" href="structXField.html#a4e9aec275e566b978a3ccb4e043d8c61">XField::value</a>, <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#aadbbe3ae01369cbddf4d57d430b33133">X_NULL</a>, <a class="el" href="xchange_8h.html#a63de1f3edab36b1a53ee312ac0711cbb">X_STRUCT</a>, <a class="el" href="xchange_8h.html#a7b2679c964ea5f2160380ed55654b873">X_SUCCESS</a>, <a class="el" href="xstruct_8c.html#a1720e156de63fd0585224738ccbb5688">xGetFieldCount()</a>, and <a class="el" href="xstruct_8c.html#aa1d006a2788adeb0fc9b4799297a69ff">xSortFields()</a>.</p>
+<p class="reference">References <a class="el" href="structXStructure.html#a501ae8af2201d9cfaa60e3af21ff58fc">XStructure::firstField</a>, <a class="el" href="structXField.html#ae1ebaf87eb62e6266b14908eee28e565">XField::next</a>, <a class="el" href="xjson_8c.html#aa8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>, <a class="el" href="structXField.html#a6535ecc7e6d29e64f0d34cd926823fd9">XField::type</a>, <a class="el" href="structXField.html#a4e9aec275e566b978a3ccb4e043d8c61">XField::value</a>, <a class="el" href="xchange_8c.html#ae73aaf705dc4e7d58dfb0fd81f4805c7">x_error()</a>, <a class="el" href="xchange_8h.html#a1d4a0c99f979fd0ecf0e9dcb7191a8d7">X_FAILURE</a>, <a class="el" href="xchange_8h.html#aadbbe3ae01369cbddf4d57d430b33133">X_NULL</a>, <a class="el" href="xchange_8h.html#a63de1f3edab36b1a53ee312ac0711cbb">X_STRUCT</a>, <a class="el" href="xchange_8h.html#a7b2679c964ea5f2160380ed55654b873">X_SUCCESS</a>, <a class="el" href="xstruct_8c.html#a1720e156de63fd0585224738ccbb5688">xGetFieldCount()</a>, and <a class="el" href="xstruct_8c.html#aa1d006a2788adeb0fc9b4799297a69ff">xSortFields()</a>.</p>
 
 </div>
 </div>
diff --git a/apidoc/html/xstruct_8c.js b/apidoc/html/xstruct_8c.js
index b13ac32..730e7cb 100644
--- a/apidoc/html/xstruct_8c.js
+++ b/apidoc/html/xstruct_8c.js
@@ -31,8 +31,9 @@ var xstruct_8c =
     [ "xLastSeparator", "xstruct_8c.html#ab9a9fbc1235164bfeed5fbba1f7d8692", null ],
     [ "xMatchNextID", "xstruct_8c.html#a90aae0dafd1d461877eef63c9c730592", null ],
     [ "xNextIDToken", "xstruct_8c.html#af436eb535b32fa88ab4e600c0a37c19d", null ],
-    [ "xReduceAllDims", "xstruct_8c.html#acc31fe75f06a6e0e469fba3a57c4fb25", null ],
     [ "xReduceDims", "xstruct_8c.html#a36fb99b219c5a61db1d1c3d630277987", null ],
+    [ "xReduceField", "xstruct_8c.html#a3a47073404ef29ef9d533f7ad77b40d7", null ],
+    [ "xReduceStruct", "xstruct_8c.html#a12fafe4020caa0baeaaf2698e8490874", null ],
     [ "xRemoveField", "xstruct_8c.html#aec9f913cdb79d8653668a5d9bdda6ab1", null ],
     [ "xReverseFieldOrder", "xstruct_8c.html#ad32d8a3f211a3b101142879ae31146ec", null ],
     [ "xSetField", "xstruct_8c.html#ab1cb91bd6aa14c0dae9d24bfbe7b76f4", null ],
diff --git a/apidoc/man/man3/xchange.h.3 b/apidoc/man/man3/xchange.h.3
index 23d8146..ac13282 100644
--- a/apidoc/man/man3/xchange.h.3
+++ b/apidoc/man/man3/xchange.h.3
@@ -408,10 +408,13 @@ include/xchange.h
 .RI "int \fBxPrintFloat\fP (char *str, float value)"
 .br
 .ti -1c
-.RI "int \fBxReduceAllDims\fP (\fBXStructure\fP *s)"
+.RI "int \fBxReduceDims\fP (int *ndim, int *sizes)"
 .br
 .ti -1c
-.RI "int \fBxReduceDims\fP (int *ndim, int *sizes)"
+.RI "int \fBxReduceField\fP (\fBXField\fP *f)"
+.br
+.ti -1c
+.RI "int \fBxReduceStruct\fP (\fBXStructure\fP *s)"
 .br
 .ti -1c
 .RI "\fBXField\fP * \fBxRemoveField\fP (\fBXStructure\fP *s, const char *name)"
@@ -616,7 +619,7 @@ A fully independent (deep) copy of the argument or NULL if the input field is NU
 .PP
 
 .PP
-References \fBXStructure::firstField\fP, \fBXField::isSerialized\fP, \fBXField::name\fP, \fBXField::next\fP, \fBXField::type\fP, \fBXField::value\fP, \fBx_error()\fP, \fBX_RAW\fP, \fBX_STRING\fP, \fBX_STRUCT\fP, \fBx_trace_null()\fP, \fBxCopyOfStruct()\fP, \fBxDestroyField()\fP, \fBxElementSizeOf()\fP, \fBxGetFieldCount()\fP, and \fBxStringCopyOf()\fP\&.
+References \fBXField::isSerialized\fP, \fBXField::name\fP, \fBXField::next\fP, \fBXField::type\fP, \fBXField::value\fP, \fBx_error()\fP, \fBX_RAW\fP, \fBX_STRING\fP, \fBX_STRUCT\fP, \fBx_trace_null()\fP, \fBxCopyOfStruct()\fP, \fBxDestroyField()\fP, \fBxElementSizeOf()\fP, \fBxGetFieldCount()\fP, and \fBxStringCopyOf()\fP\&.
 .SS "\fBXStructure\fP * xCopyOfStruct (const \fBXStructure\fP * s)"
 Returns a deep copy of the supplied structure\&. Note that this only works with vanilla xchange structures with native storage fields\&. For example, SMA-X structures store data in serialized forms, and therefore it needs its own implementation for making deep copies of structs!
 .PP
@@ -740,7 +743,7 @@ A newly created field with the copy of the supplied data, or NULL if there was a
 .PP
 
 .PP
-References \fBXField::name\fP, \fBXField::ndim\fP, \fBXField::sizes\fP, \fBXField::type\fP, \fBXField::value\fP, \fBx_error()\fP, \fBX_MAX_DIMS\fP, \fBX_RAW\fP, \fBX_STRING\fP, \fBX_STRUCT\fP, \fBxDestroyField()\fP, \fBxElementSizeOf()\fP, \fBxGetElementCount()\fP, \fBxLastSeparator()\fP, and \fBxStringCopyOf()\fP\&.
+References \fBXField::name\fP, \fBXField::ndim\fP, \fBXField::sizes\fP, \fBXField::type\fP, \fBXField::value\fP, \fBx_error()\fP, \fBX_MAX_DIMS\fP, \fBX_RAW\fP, \fBX_STRING\fP, \fBX_STRUCT\fP, \fBx_trace_null()\fP, \fBxDestroyField()\fP, \fBxElementSizeOf()\fP, \fBxGetElementCount()\fP, \fBxLastSeparator()\fP, and \fBxStringCopyOf()\fP\&.
 .SS "\fBXField\fP * xCreateIntField (const char * name, int value)"
 Creates a field holding a single ineger value value\&.
 .PP
@@ -1155,7 +1158,7 @@ Matching sub-structure from the structure or NULL if there is no match or one of
 .PP
 
 .PP
-References \fBXField::type\fP, \fBXField::value\fP, \fBX_STRUCT\fP, and \fBxGetField()\fP\&.
+References \fBXField::type\fP, \fBXField::value\fP, \fBx_error()\fP, \fBX_STRUCT\fP, and \fBxGetField()\fP\&.
 .SS "\fBboolean\fP xIsCharSequence (\fBXType\fP type)"
 Checks if the type represents a fixed-size character / binary sequence\&.
 .PP
@@ -1235,7 +1238,7 @@ Returns the number of fields in the lookup table\&.
 .PP
 \fBReturns\fP
 .RS 4
-the number of fields stored\&. 
+the number of fields stored, or an error <0 (usually X_NO_INIT) if the lookup table is invalid 
 .RE
 .PP
 
@@ -1284,7 +1287,7 @@ Puts a field into the lookup table with the specified aggregate ID prefix\&. For
 .PP
 \fBReturns\fP
 .RS 4
-0 if successfully added a new field, 1 if updated an existing fields, or else X_NULL if either of the arguments were NULL, or X_FAILURE if some other error\&.
+0 if successfully added a new field, 1 if updated an existing fields, or else X_NULL if either of the arguments were NULL, or X_NO_INIT if the table was not properly initialized, or else X_FAILURE if some other error\&.
 .RE
 .PP
 \fBSee also\fP
@@ -1313,7 +1316,7 @@ Puts all fields from a structure into the lookup table with the specified aggreg
 .PP
 \fBReturns\fP
 .RS 4
-the number of fields added (<=0), or else X_NULL if either of the arguments were NULL, or X_FAILURE if some other error\&.
+the number of fields added (<=0), or else X_NULL if either of the arguments were NULL, or X_NO_INIT if the table was not initialized, or else X_FAILURE if some other error\&.
 .RE
 .PP
 \fBSee also\fP
@@ -1365,7 +1368,7 @@ Removes all fields of a structure from the lookup table with the specified aggre
 .PP
 \fBReturns\fP
 .RS 4
-the number of fields removed (<=0), or else X_NULL if either of the arguments were NULL, or X_FAILURE if some other error\&.
+the number of fields removed (<=0), or else X_NULL if either of the arguments were NULL, or X_NO_INIT if the table was not initialized, or else X_FAILURE if some other error\&.
 .RE
 .PP
 \fBSee also\fP
@@ -1520,50 +1523,73 @@ Number of characters printed into the buffer\&.
 
 .PP
 References \fBx_error()\fP\&.
-.SS "int xReduceAllDims (\fBXStructure\fP * s)"
-Recursively eliminates unneccessary embedding of singular structures inside a structure as well as reduces the dimension of all array fields with \fBxReduceDims()\fP\&.
+.SS "int xReduceDims (int * ndim, int * sizes)"
+Reduces the dimensions by eliminating axes that contain a singular elements\&. Thus a size of {1, 3, 1, 5} will reduce to {3, 5} containing the same number of elements, in fewer dimensions\&. If any of the dimensions are zero then it reduces to { 0 }\&.
 .PP
 \fBParameters\fP
 .RS 4
-\fIs\fP Pointer to a structure\&. 
+\fIndim\fP Pointer to the dimensions (will be updated in situ) 
+.br
+\fIsizes\fP Array of sizes along the dimensions (will be updated in situ) 
 .RE
 .PP
 \fBReturns\fP
 .RS 4
-X_SUCCESS (0) if successful or else X_STRUCT_INVALID if the argument is NULL (errno is also set to EINVAL)
+X_SUCCESS (0) if successful or else X_SIZE_INVALID if the ndim argument is NULL, or if it is greater than zero but the sizes argument is NULL (errno set to EINVAL in both cases)
 .RE
 .PP
 \fBSee also\fP
 .RS 4
+\fBxReduceStruct()\fP 
+.RE
+.PP
+
+.PP
+References \fBx_error()\fP, \fBX_SIZE_INVALID\fP, and \fBX_SUCCESS\fP\&.
+.SS "int xReduceField (\fBXField\fP * f)"
+Reduces a field by eliminating extraneous dimensions, and/or wrapping recursively\&.
+.PP
+\fBParameters\fP
+.RS 4
+\fIf\fP Pointer to a field 
+.RE
+.PP
+\fBReturns\fP
+.RS 4
+X_SUCCESS (0) if successful, or else an \fBxchange\&.h\fP error code <0\&.
+.RE
+.PP
+\fBSee also\fP
+.RS 4
+\fBxReduceStruct()\fP 
+.PP
 \fBxReduceDims()\fP 
 .RE
 .PP
 
 .PP
-References \fBXStructure::firstField\fP, \fBXField::name\fP, \fBXField::ndim\fP, \fBXField::next\fP, \fBXStructure::parent\fP, \fBXField::sizes\fP, \fBXField::type\fP, \fBx_error()\fP, \fBX_STRUCT\fP, \fBX_STRUCT_INVALID\fP, \fBx_trace()\fP, \fBxGetFieldCount()\fP, \fBxReduceAllDims()\fP, and \fBxReduceDims()\fP\&.
-.SS "int xReduceDims (int * ndim, int * sizes)"
-Reduces the dimensions by eliminating axes that contain a singular elements\&. Thus a size of {1, 3, 1, 5} will reduce to {3, 5} containing the same number of elements, in fewer dimensions\&. If any of the dimensions are zero then it reduces to { 0 }\&.
+References \fBXField::ndim\fP, \fBXField::sizes\fP, \fBXField::type\fP, \fBXField::value\fP, \fBx_error()\fP, \fBX_FIELD\fP, \fBX_NULL\fP, \fBX_STRUCT\fP, \fBX_SUCCESS\fP, \fBxGetFieldCount()\fP, \fBxReduceDims()\fP, and \fBxReduceStruct()\fP\&.
+.SS "int xReduceStruct (\fBXStructure\fP * s)"
+Recursively eliminates unneccessary embedding of singular structures inside a structure as well as reduces the dimension of all array fields with \fBxReduceDims()\fP\&. It will also eliminate the unnecessary wrapping of a singular array into a single \fBXField\fP\&.
 .PP
 \fBParameters\fP
 .RS 4
-\fIndim\fP Pointer to the dimensions (will be updated in situ) 
-.br
-\fIsizes\fP Array of sizes along the dimensions (will be updated in situ) 
+\fIs\fP Pointer to a structure\&. 
 .RE
 .PP
 \fBReturns\fP
 .RS 4
-X_SUCCESS (0) if successful or else X_SIZE_INVALID if the ndim argument is NULL, or if it is greater than zero but the sizes argument is NULL (errno set to EINVAL in both cases)
+X_SUCCESS (0) if successful or else X_STRUCT_INVALID if the argument is NULL (errno is also set to EINVAL)
 .RE
 .PP
 \fBSee also\fP
 .RS 4
-\fBxReduceAllDims()\fP 
+\fBxReduceField()\fP 
 .RE
 .PP
 
 .PP
-References \fBx_error()\fP, \fBX_SIZE_INVALID\fP, and \fBX_SUCCESS\fP\&.
+References \fBXStructure::firstField\fP, \fBXField::next\fP, \fBXStructure::parent\fP, \fBXField::type\fP, \fBXField::value\fP, \fBx_error()\fP, \fBX_STRUCT\fP, \fBX_STRUCT_INVALID\fP, \fBX_SUCCESS\fP, \fBxGetFieldCount()\fP, \fBxReduceField()\fP, and \fBxReduceStruct()\fP\&.
 .SS "\fBXField\fP * xRemoveField (\fBXStructure\fP * s, const char * name)"
 Removes as field from the structure, returning it if found\&.
 .PP
@@ -1740,7 +1766,7 @@ X_SUCCESS (0) if successful, or else X_NULL if the structure or the comparator f
 .PP
 
 .PP
-References \fBXStructure::firstField\fP, \fBXField::next\fP, \fBTRUE\fP, \fBXField::type\fP, \fBXField::value\fP, \fBx_error()\fP, \fBX_NULL\fP, \fBX_STRUCT\fP, \fBX_SUCCESS\fP, \fBxGetFieldCount()\fP, and \fBxSortFields()\fP\&.
+References \fBXStructure::firstField\fP, \fBXField::next\fP, \fBTRUE\fP, \fBXField::type\fP, \fBXField::value\fP, \fBx_error()\fP, \fBX_FAILURE\fP, \fBX_NULL\fP, \fBX_STRUCT\fP, \fBX_SUCCESS\fP, \fBxGetFieldCount()\fP, and \fBxSortFields()\fP\&.
 .SS "int xSortFieldsByName (\fBXStructure\fP * s, \fBboolean\fP recursive)"
 Sorts the fields of a structure by field name, in ascending alphabetical order\&.
 .PP
diff --git a/apidoc/man/man3/xjson.c.3 b/apidoc/man/man3/xjson.c.3
index 4772ee4..7e4ee14 100644
--- a/apidoc/man/man3/xjson.c.3
+++ b/apidoc/man/man3/xjson.c.3
@@ -30,6 +30,9 @@ src/xjson.c \- A set of functions for parsing and creating JSON description of d
 .RI "char * \fBxjsonEscape\fP (const char *src, int maxLength)"
 .br
 .ti -1c
+.RI "char * \fBxjsonFieldToIndentedString\fP (int indent, const \fBXField\fP *f)"
+.br
+.ti -1c
 .RI "char * \fBxjsonFieldToString\fP (const \fBXField\fP *f)"
 .br
 .ti -1c
@@ -102,6 +105,29 @@ The JSON representation of the original string, in which special characters appe
 
 .PP
 References \fBx_error()\fP\&.
+.SS "char * xjsonFieldToIndentedString (int indent, const \fBXField\fP * f)"
+Converts an \fBXField\fP into its JSON representation, with the specified indentation of white spaces in front of every line\&. Conversion errors are reported to stderr or the altenate stream set by xSetErrorStream()\&.
+.PP
+\fBParameters\fP
+.RS 4
+\fIindent\fP Number of white spaces to insert in front of each line\&. 
+.br
+\fIf\fP Pointer to field 
+.RE
+.PP
+\fBReturns\fP
+.RS 4
+String JSON representation, or NULL if there was an error (errno set to EINVAL)\&.
+.RE
+.PP
+\fBSee also\fP
+.RS 4
+\fBxjsonFieldToString()\fP 
+.RE
+.PP
+
+.PP
+References \fBFALSE\fP, \fBx_error()\fP, \fBxErrorDescription()\fP, and \fBxStringCopyOf()\fP\&.
 .SS "char * xjsonFieldToString (const \fBXField\fP * f)"
 Converts an \fBXField\fP into its JSON representation\&. Conversion errors are reported to stderr or the altenate stream set by xSetErrorStream()\&.
 .PP
@@ -130,7 +156,7 @@ String JSON representation, or NULL if there was an error (errno set to EINVAL)\
 .PP
 
 .PP
-References \fBFALSE\fP, \fBxErrorDescription()\fP, and \fBxStringCopyOf()\fP\&.
+References \fBxjsonFieldToIndentedString()\fP\&.
 .SS "int xjsonGetIndent ()"
 Returns the number of spaces per indentation when emitting JSON formatted output\&.
 .PP
@@ -147,6 +173,8 @@ Returns the number of spaces per indentation when emitting JSON formatted output
 .RE
 .PP
 
+.PP
+References \fBXJSON_DEFAULT_INDENT\fP\&.
 .SS "\fBXStructure\fP * xjsonParseAt (char ** pos, int * lineNumber)"
 Parses a JSON object from the given parse position, returning the structured data and updating the parse position\&. Parse errors are reported to stderr or the alternate stream set by xSetErrorStream()\&.
 .PP
@@ -288,6 +316,8 @@ Sets the number of spaces per indentation when emitting JSON formatted output\&.
 .RE
 .PP
 
+.PP
+References \fBx_error()\fP\&.
 .SS "char * xjsonToString (const \fBXStructure\fP * s)"
 Converts structured data into its JSON representation\&. Conversion errors are reported to stderr or the altenate stream set by xSetErrorStream()\&.
 .PP
diff --git a/apidoc/man/man3/xjson.h.3 b/apidoc/man/man3/xjson.h.3
index 1c13b0c..f2754ff 100644
--- a/apidoc/man/man3/xjson.h.3
+++ b/apidoc/man/man3/xjson.h.3
@@ -14,9 +14,9 @@ include/xjson.h
 .br
 .RI "null device on system "
 .ti -1c
-.RI "#define \fBXJSON_INDENT\fP   '  '"
+.RI "#define \fBXJSON_DEFAULT_INDENT\fP   2"
 .br
-.RI "Indentation for nested elements\&. "
+.RI "Number of characters to indent\&. "
 .in -1c
 .SS "Functions"
 
@@ -25,6 +25,9 @@ include/xjson.h
 .RI "char * \fBxjsonEscape\fP (const char *src, int maxLength)"
 .br
 .ti -1c
+.RI "char * \fBxjsonFieldToIndentedString\fP (int indent, const \fBXField\fP *f)"
+.br
+.ti -1c
 .RI "char * \fBxjsonFieldToString\fP (const \fBXField\fP *f)"
 .br
 .ti -1c
@@ -95,6 +98,29 @@ The JSON representation of the original string, in which special characters appe
 
 .PP
 References \fBx_error()\fP\&.
+.SS "char * xjsonFieldToIndentedString (int indent, const \fBXField\fP * f)"
+Converts an \fBXField\fP into its JSON representation, with the specified indentation of white spaces in front of every line\&. Conversion errors are reported to stderr or the altenate stream set by xSetErrorStream()\&.
+.PP
+\fBParameters\fP
+.RS 4
+\fIindent\fP Number of white spaces to insert in front of each line\&. 
+.br
+\fIf\fP Pointer to field 
+.RE
+.PP
+\fBReturns\fP
+.RS 4
+String JSON representation, or NULL if there was an error (errno set to EINVAL)\&.
+.RE
+.PP
+\fBSee also\fP
+.RS 4
+\fBxjsonFieldToString()\fP 
+.RE
+.PP
+
+.PP
+References \fBFALSE\fP, \fBx_error()\fP, \fBxErrorDescription()\fP, and \fBxStringCopyOf()\fP\&.
 .SS "char * xjsonFieldToString (const \fBXField\fP * f)"
 Converts an \fBXField\fP into its JSON representation\&. Conversion errors are reported to stderr or the altenate stream set by xSetErrorStream()\&.
 .PP
@@ -123,7 +149,7 @@ String JSON representation, or NULL if there was an error (errno set to EINVAL)\
 .PP
 
 .PP
-References \fBFALSE\fP, \fBxErrorDescription()\fP, and \fBxStringCopyOf()\fP\&.
+References \fBxjsonFieldToIndentedString()\fP\&.
 .SS "int xjsonGetIndent ()"
 Returns the number of spaces per indentation when emitting JSON formatted output\&.
 .PP
@@ -140,6 +166,8 @@ Returns the number of spaces per indentation when emitting JSON formatted output
 .RE
 .PP
 
+.PP
+References \fBXJSON_DEFAULT_INDENT\fP\&.
 .SS "\fBXStructure\fP * xjsonParseAt (char ** pos, int * lineNumber)"
 Parses a JSON object from the given parse position, returning the structured data and updating the parse position\&. Parse errors are reported to stderr or the alternate stream set by xSetErrorStream()\&.
 .PP
@@ -281,6 +309,8 @@ Sets the number of spaces per indentation when emitting JSON formatted output\&.
 .RE
 .PP
 
+.PP
+References \fBx_error()\fP\&.
 .SS "char * xjsonToString (const \fBXStructure\fP * s)"
 Converts structured data into its JSON representation\&. Conversion errors are reported to stderr or the altenate stream set by xSetErrorStream()\&.
 .PP
diff --git a/apidoc/man/man3/xlookup.c.3 b/apidoc/man/man3/xlookup.c.3
index 620192c..dfa3773 100644
--- a/apidoc/man/man3/xlookup.c.3
+++ b/apidoc/man/man3/xlookup.c.3
@@ -140,7 +140,7 @@ Returns the number of fields in the lookup table\&.
 .PP
 \fBReturns\fP
 .RS 4
-the number of fields stored\&. 
+the number of fields stored, or an error <0 (usually X_NO_INIT) if the lookup table is invalid 
 .RE
 .PP
 
@@ -189,7 +189,7 @@ Puts a field into the lookup table with the specified aggregate ID prefix\&. For
 .PP
 \fBReturns\fP
 .RS 4
-0 if successfully added a new field, 1 if updated an existing fields, or else X_NULL if either of the arguments were NULL, or X_FAILURE if some other error\&.
+0 if successfully added a new field, 1 if updated an existing fields, or else X_NULL if either of the arguments were NULL, or X_NO_INIT if the table was not properly initialized, or else X_FAILURE if some other error\&.
 .RE
 .PP
 \fBSee also\fP
@@ -218,7 +218,7 @@ Puts all fields from a structure into the lookup table with the specified aggreg
 .PP
 \fBReturns\fP
 .RS 4
-the number of fields added (<=0), or else X_NULL if either of the arguments were NULL, or X_FAILURE if some other error\&.
+the number of fields added (<=0), or else X_NULL if either of the arguments were NULL, or X_NO_INIT if the table was not initialized, or else X_FAILURE if some other error\&.
 .RE
 .PP
 \fBSee also\fP
@@ -270,7 +270,7 @@ Removes all fields of a structure from the lookup table with the specified aggre
 .PP
 \fBReturns\fP
 .RS 4
-the number of fields removed (<=0), or else X_NULL if either of the arguments were NULL, or X_FAILURE if some other error\&.
+the number of fields removed (<=0), or else X_NULL if either of the arguments were NULL, or X_NO_INIT if the table was not initialized, or else X_FAILURE if some other error\&.
 .RE
 .PP
 \fBSee also\fP
diff --git a/apidoc/man/man3/xstruct.c.3 b/apidoc/man/man3/xstruct.c.3
index 2a8b7b8..9d173c8 100644
--- a/apidoc/man/man3/xstruct.c.3
+++ b/apidoc/man/man3/xstruct.c.3
@@ -109,10 +109,13 @@ src/xstruct.c \- A collection of commonly used functions for generic structured
 .RI "char * \fBxNextIDToken\fP (const char *id)"
 .br
 .ti -1c
-.RI "int \fBxReduceAllDims\fP (\fBXStructure\fP *s)"
+.RI "int \fBxReduceDims\fP (int *ndim, int *sizes)"
 .br
 .ti -1c
-.RI "int \fBxReduceDims\fP (int *ndim, int *sizes)"
+.RI "int \fBxReduceField\fP (\fBXField\fP *f)"
+.br
+.ti -1c
+.RI "int \fBxReduceStruct\fP (\fBXStructure\fP *s)"
 .br
 .ti -1c
 .RI "\fBXField\fP * \fBxRemoveField\fP (\fBXStructure\fP *s, const char *name)"
@@ -226,7 +229,7 @@ A fully independent (deep) copy of the argument or NULL if the input field is NU
 .PP
 
 .PP
-References \fBXStructure::firstField\fP, \fBXField::isSerialized\fP, \fBXField::name\fP, \fBXField::next\fP, \fBXField::type\fP, \fBXField::value\fP, \fBx_error()\fP, \fBX_RAW\fP, \fBX_STRING\fP, \fBX_STRUCT\fP, \fBx_trace_null()\fP, \fBxCopyOfStruct()\fP, \fBxDestroyField()\fP, \fBxElementSizeOf()\fP, \fBxGetFieldCount()\fP, and \fBxStringCopyOf()\fP\&.
+References \fBXField::isSerialized\fP, \fBXField::name\fP, \fBXField::next\fP, \fBXField::type\fP, \fBXField::value\fP, \fBx_error()\fP, \fBX_RAW\fP, \fBX_STRING\fP, \fBX_STRUCT\fP, \fBx_trace_null()\fP, \fBxCopyOfStruct()\fP, \fBxDestroyField()\fP, \fBxElementSizeOf()\fP, \fBxGetFieldCount()\fP, and \fBxStringCopyOf()\fP\&.
 .SS "\fBXStructure\fP * xCopyOfStruct (const \fBXStructure\fP * s)"
 Returns a deep copy of the supplied structure\&. Note that this only works with vanilla xchange structures with native storage fields\&. For example, SMA-X structures store data in serialized forms, and therefore it needs its own implementation for making deep copies of structs!
 .PP
@@ -350,7 +353,7 @@ A newly created field with the copy of the supplied data, or NULL if there was a
 .PP
 
 .PP
-References \fBXField::name\fP, \fBXField::ndim\fP, \fBXField::sizes\fP, \fBXField::type\fP, \fBXField::value\fP, \fBx_error()\fP, \fBX_MAX_DIMS\fP, \fBX_RAW\fP, \fBX_STRING\fP, \fBX_STRUCT\fP, \fBxDestroyField()\fP, \fBxElementSizeOf()\fP, \fBxGetElementCount()\fP, \fBxLastSeparator()\fP, and \fBxStringCopyOf()\fP\&.
+References \fBXField::name\fP, \fBXField::ndim\fP, \fBXField::sizes\fP, \fBXField::type\fP, \fBXField::value\fP, \fBx_error()\fP, \fBX_MAX_DIMS\fP, \fBX_RAW\fP, \fBX_STRING\fP, \fBX_STRUCT\fP, \fBx_trace_null()\fP, \fBxDestroyField()\fP, \fBxElementSizeOf()\fP, \fBxGetElementCount()\fP, \fBxLastSeparator()\fP, and \fBxStringCopyOf()\fP\&.
 .SS "\fBXField\fP * xCreateIntField (const char * name, int value)"
 Creates a field holding a single ineger value value\&.
 .PP
@@ -652,7 +655,7 @@ Matching sub-structure from the structure or NULL if there is no match or one of
 .PP
 
 .PP
-References \fBXField::type\fP, \fBXField::value\fP, \fBX_STRUCT\fP, and \fBxGetField()\fP\&.
+References \fBXField::type\fP, \fBXField::value\fP, \fBx_error()\fP, \fBX_STRUCT\fP, and \fBxGetField()\fP\&.
 .SS "int xInsertField (\fBXStructure\fP * s, \fBXField\fP * f)"
 (\fIexpert\fP) Inserts a field into the structure at its head position\&. That is, the specified field will become the first field in the structure\&. And, unlike \fBxSetField()\fP, this function does not check for (nor remove) previously present fields by the same name\&. Thus, it is left up to the caller to ensure that there are no duplicate field names added to the structure\&.
 .PP
@@ -746,50 +749,73 @@ Pointer to the start of the next compound ID token, or NULL if there is no more
 
 .PP
 References \fBX_SEP\fP, and \fBX_SEP_LENGTH\fP\&.
-.SS "int xReduceAllDims (\fBXStructure\fP * s)"
-Recursively eliminates unneccessary embedding of singular structures inside a structure as well as reduces the dimension of all array fields with \fBxReduceDims()\fP\&.
+.SS "int xReduceDims (int * ndim, int * sizes)"
+Reduces the dimensions by eliminating axes that contain a singular elements\&. Thus a size of {1, 3, 1, 5} will reduce to {3, 5} containing the same number of elements, in fewer dimensions\&. If any of the dimensions are zero then it reduces to { 0 }\&.
 .PP
 \fBParameters\fP
 .RS 4
-\fIs\fP Pointer to a structure\&. 
+\fIndim\fP Pointer to the dimensions (will be updated in situ) 
+.br
+\fIsizes\fP Array of sizes along the dimensions (will be updated in situ) 
 .RE
 .PP
 \fBReturns\fP
 .RS 4
-X_SUCCESS (0) if successful or else X_STRUCT_INVALID if the argument is NULL (errno is also set to EINVAL)
+X_SUCCESS (0) if successful or else X_SIZE_INVALID if the ndim argument is NULL, or if it is greater than zero but the sizes argument is NULL (errno set to EINVAL in both cases)
 .RE
 .PP
 \fBSee also\fP
 .RS 4
+\fBxReduceStruct()\fP 
+.RE
+.PP
+
+.PP
+References \fBx_error()\fP, \fBX_SIZE_INVALID\fP, and \fBX_SUCCESS\fP\&.
+.SS "int xReduceField (\fBXField\fP * f)"
+Reduces a field by eliminating extraneous dimensions, and/or wrapping recursively\&.
+.PP
+\fBParameters\fP
+.RS 4
+\fIf\fP Pointer to a field 
+.RE
+.PP
+\fBReturns\fP
+.RS 4
+X_SUCCESS (0) if successful, or else an \fBxchange\&.h\fP error code <0\&.
+.RE
+.PP
+\fBSee also\fP
+.RS 4
+\fBxReduceStruct()\fP 
+.PP
 \fBxReduceDims()\fP 
 .RE
 .PP
 
 .PP
-References \fBXStructure::firstField\fP, \fBXField::name\fP, \fBXField::ndim\fP, \fBXField::next\fP, \fBXStructure::parent\fP, \fBXField::sizes\fP, \fBXField::type\fP, \fBx_error()\fP, \fBX_STRUCT\fP, \fBX_STRUCT_INVALID\fP, \fBx_trace()\fP, \fBxGetFieldCount()\fP, \fBxReduceAllDims()\fP, and \fBxReduceDims()\fP\&.
-.SS "int xReduceDims (int * ndim, int * sizes)"
-Reduces the dimensions by eliminating axes that contain a singular elements\&. Thus a size of {1, 3, 1, 5} will reduce to {3, 5} containing the same number of elements, in fewer dimensions\&. If any of the dimensions are zero then it reduces to { 0 }\&.
+References \fBXField::ndim\fP, \fBXField::sizes\fP, \fBXField::type\fP, \fBXField::value\fP, \fBx_error()\fP, \fBX_FIELD\fP, \fBX_NULL\fP, \fBX_STRUCT\fP, \fBX_SUCCESS\fP, \fBxGetFieldCount()\fP, \fBxReduceDims()\fP, and \fBxReduceStruct()\fP\&.
+.SS "int xReduceStruct (\fBXStructure\fP * s)"
+Recursively eliminates unneccessary embedding of singular structures inside a structure as well as reduces the dimension of all array fields with \fBxReduceDims()\fP\&. It will also eliminate the unnecessary wrapping of a singular array into a single \fBXField\fP\&.
 .PP
 \fBParameters\fP
 .RS 4
-\fIndim\fP Pointer to the dimensions (will be updated in situ) 
-.br
-\fIsizes\fP Array of sizes along the dimensions (will be updated in situ) 
+\fIs\fP Pointer to a structure\&. 
 .RE
 .PP
 \fBReturns\fP
 .RS 4
-X_SUCCESS (0) if successful or else X_SIZE_INVALID if the ndim argument is NULL, or if it is greater than zero but the sizes argument is NULL (errno set to EINVAL in both cases)
+X_SUCCESS (0) if successful or else X_STRUCT_INVALID if the argument is NULL (errno is also set to EINVAL)
 .RE
 .PP
 \fBSee also\fP
 .RS 4
-\fBxReduceAllDims()\fP 
+\fBxReduceField()\fP 
 .RE
 .PP
 
 .PP
-References \fBx_error()\fP, \fBX_SIZE_INVALID\fP, and \fBX_SUCCESS\fP\&.
+References \fBXStructure::firstField\fP, \fBXField::next\fP, \fBXStructure::parent\fP, \fBXField::type\fP, \fBXField::value\fP, \fBx_error()\fP, \fBX_STRUCT\fP, \fBX_STRUCT_INVALID\fP, \fBX_SUCCESS\fP, \fBxGetFieldCount()\fP, \fBxReduceField()\fP, and \fBxReduceStruct()\fP\&.
 .SS "\fBXField\fP * xRemoveField (\fBXStructure\fP * s, const char * name)"
 Removes as field from the structure, returning it if found\&.
 .PP
@@ -934,7 +960,7 @@ X_SUCCESS (0) if successful, or else X_NULL if the structure or the comparator f
 .PP
 
 .PP
-References \fBXStructure::firstField\fP, \fBXField::next\fP, \fBTRUE\fP, \fBXField::type\fP, \fBXField::value\fP, \fBx_error()\fP, \fBX_NULL\fP, \fBX_STRUCT\fP, \fBX_SUCCESS\fP, \fBxGetFieldCount()\fP, and \fBxSortFields()\fP\&.
+References \fBXStructure::firstField\fP, \fBXField::next\fP, \fBTRUE\fP, \fBXField::type\fP, \fBXField::value\fP, \fBx_error()\fP, \fBX_FAILURE\fP, \fBX_NULL\fP, \fBX_STRUCT\fP, \fBX_SUCCESS\fP, \fBxGetFieldCount()\fP, and \fBxSortFields()\fP\&.
 .SS "int xSortFieldsByName (\fBXStructure\fP * s, \fBboolean\fP recursive)"
 Sorts the fields of a structure by field name, in ascending alphabetical order\&.
 .PP
diff --git a/apidoc/xchange.tag b/apidoc/xchange.tag
index 03edf95..19911a9 100644
--- a/apidoc/xchange.tag
+++ b/apidoc/xchange.tag
@@ -758,17 +758,24 @@
     </member>
     <member kind="function">
       <type>int</type>
-      <name>xReduceAllDims</name>
+      <name>xReduceDims</name>
       <anchorfile>xchange_8h.html</anchorfile>
-      <anchor>acc31fe75f06a6e0e469fba3a57c4fb25</anchor>
-      <arglist>(XStructure *s)</arglist>
+      <anchor>a36fb99b219c5a61db1d1c3d630277987</anchor>
+      <arglist>(int *ndim, int *sizes)</arglist>
     </member>
     <member kind="function">
       <type>int</type>
-      <name>xReduceDims</name>
+      <name>xReduceField</name>
       <anchorfile>xchange_8h.html</anchorfile>
-      <anchor>a36fb99b219c5a61db1d1c3d630277987</anchor>
-      <arglist>(int *ndim, int *sizes)</arglist>
+      <anchor>a3a47073404ef29ef9d533f7ad77b40d7</anchor>
+      <arglist>(XField *f)</arglist>
+    </member>
+    <member kind="function">
+      <type>int</type>
+      <name>xReduceStruct</name>
+      <anchorfile>xchange_8h.html</anchorfile>
+      <anchor>a12fafe4020caa0baeaaf2698e8490874</anchor>
+      <arglist>(XStructure *s)</arglist>
     </member>
     <member kind="function">
       <type>XField *</type>
@@ -897,9 +904,9 @@
     </member>
     <member kind="define">
       <type>#define</type>
-      <name>XJSON_INDENT</name>
+      <name>XJSON_DEFAULT_INDENT</name>
       <anchorfile>xjson_8h.html</anchorfile>
-      <anchor>ab69c52214e2e6daa2626bf8722f2d73e</anchor>
+      <anchor>a2c3bb6f2c4cfef06527f0a66c855b6cc</anchor>
       <arglist></arglist>
     </member>
     <member kind="function">
@@ -909,6 +916,13 @@
       <anchor>a92336f3031a90784e8667aaa7ad07ca2</anchor>
       <arglist>(const char *src, int maxLength)</arglist>
     </member>
+    <member kind="function">
+      <type>char *</type>
+      <name>xjsonFieldToIndentedString</name>
+      <anchorfile>xjson_8h.html</anchorfile>
+      <anchor>a01bc599d67f70636a813b103a20170ac</anchor>
+      <arglist>(int indent, const XField *f)</arglist>
+    </member>
     <member kind="function">
       <type>char *</type>
       <name>xjsonFieldToString</name>
@@ -1208,6 +1222,13 @@
       <anchor>a92336f3031a90784e8667aaa7ad07ca2</anchor>
       <arglist>(const char *src, int maxLength)</arglist>
     </member>
+    <member kind="function">
+      <type>char *</type>
+      <name>xjsonFieldToIndentedString</name>
+      <anchorfile>xjson_8c.html</anchorfile>
+      <anchor>a01bc599d67f70636a813b103a20170ac</anchor>
+      <arglist>(int indent, const XField *f)</arglist>
+    </member>
     <member kind="function">
       <type>char *</type>
       <name>xjsonFieldToString</name>
@@ -1579,17 +1600,24 @@
     </member>
     <member kind="function">
       <type>int</type>
-      <name>xReduceAllDims</name>
+      <name>xReduceDims</name>
       <anchorfile>xstruct_8c.html</anchorfile>
-      <anchor>acc31fe75f06a6e0e469fba3a57c4fb25</anchor>
-      <arglist>(XStructure *s)</arglist>
+      <anchor>a36fb99b219c5a61db1d1c3d630277987</anchor>
+      <arglist>(int *ndim, int *sizes)</arglist>
     </member>
     <member kind="function">
       <type>int</type>
-      <name>xReduceDims</name>
+      <name>xReduceField</name>
       <anchorfile>xstruct_8c.html</anchorfile>
-      <anchor>a36fb99b219c5a61db1d1c3d630277987</anchor>
-      <arglist>(int *ndim, int *sizes)</arglist>
+      <anchor>a3a47073404ef29ef9d533f7ad77b40d7</anchor>
+      <arglist>(XField *f)</arglist>
+    </member>
+    <member kind="function">
+      <type>int</type>
+      <name>xReduceStruct</name>
+      <anchorfile>xstruct_8c.html</anchorfile>
+      <anchor>a12fafe4020caa0baeaaf2698e8490874</anchor>
+      <arglist>(XStructure *s)</arglist>
     </member>
     <member kind="function">
       <type>XField *</type>
diff --git a/doc/README.md b/doc/README.md
index 9bc3498..c7dcb07 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -447,12 +447,12 @@ or parse it from a file, which contains a JSON definition of the structured data
 
 ### Snippets
 
-Alternatively, you can also create partial JSON snippets for individual fields, e.g.:
+Alternatively, you can also create partial JSON fragments for individual fields, e.g.:
   
 ```c
   XField *f = ...
   
-  // Obtain a JSON string snippet of the field 'f'.
+  // Obtain a JSON fragment for the field 'f'.
   char *json = xjsonFieldToString(f);
 ```