added a page to track broken features

docs/broken.md

@@ -0,0 +1,58 @@
+### Partial / Invalid BibLaTeX Examples
+
+- PrismJS version: 1.19.0
+- PrismJS theme: okaidia
+
+
+#### Example from [Issue #3]
+
+```bib
+@article{newpaper,
+  title={
+
+@article{existing,
+  title={my old title}
+}
+```
+
+Previously led to browser being stuck on an infinite loop.
+
+#### Unsupported Nesting Depth
+
+```bib
+@article{nestingbelowlevel4,
+  title={ l1 { l2 } l1 }
+}
+
+@article{nestingatlevel4,
+  title={
+    l1 { 
+      l2 {
+        l3 { l4 } l3
+      } l2
+    } l1
+  }
+}
+
+@article{nestingabovelevel4,
+  title={
+    l1 { l2 { l3 { l4 {
+      l5
+    } l4 } l3 } l2 } l1
+  }
+}
+```
+
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.19.0/themes/prism-okaidia.min.css"
+      integrity="sha512-pGi87NmT0VeSbmZBK40y3wF4H2DlpCYc5lrO/3F/RPhnwn262NReW3jFtG2iZWhbpoWT5MDzBzawpOri+jcUTw==" crossorigin="anonymous" />
+
+
+<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.19.0/prism.min.js"
+        integrity="sha512-9ndS8HgVHWQq2A/kpIxygbIZQ7oljc9/AvoEv8SQDy192nAuCGSdk7OdAfCZLDkbRJLZMsrV0NXycMSLLNTWCw==" crossorigin="anonymous">
+</script>
+
+<script src="https://cdn.jsdelivr.net/npm/[email protected]/prism-bibtex.js"
+        integrity="sha256-+dK6uqUp/DnP6ef97s8XcoynBnGe5vM5gvBECH0EB3U=" crossorigin="anonymous">
+</script>
+
+[Issue #3]: https://github.com/SaswatPadhi/prismjs-bibtex/issues/3

docs/index.md

@@ -33,7 +33,9 @@ For example, in the `head` of you HTML document, you can add the following:
 ## Small Examples
 
 Below, I show the syntax-highlighting results for some tricky BibTeX files I found on the internet.
+
 Please report bugs (or, open a PR) if you notice an incorrect highlighting.
+You may find some examples of currently broken / unsupported features on [this page](broken.html).
 
 ### Snippets from [DBLP]