Simplify indentation logic

src/indent.rs

@@ -67,7 +67,6 @@ fn get_diff(line: &str, pattern: &Pattern) -> i8 {
 fn get_back(line: &str, pattern: &Pattern) -> i8 {
     let mut back: i8 = 0;
 
-    // other environments get single indents
     if pattern.contains_env_end && line.contains(ENV_END) {
         // documents get no global indentation
         if line.contains(DOC_END) {
@@ -79,25 +78,23 @@ fn get_back(line: &str, pattern: &Pattern) -> i8 {
                 return 2;
             };
         }
-        back += 1;
+        // other environments get single indents
+        back = 1;
     };
 
-    // Dedent delimiters
-    // Check first whether there are any closing delimiters
-    if CLOSES.iter().any(|c| line.contains(*c)) {
-        let mut cumul: i8 = back;
-        for c in line.chars() {
-            cumul -= i8::from(OPENS.contains(&c));
-            cumul += i8::from(CLOSES.contains(&c));
-            back = max(cumul, back);
-        }
-    }
-
     // deindent items to make the rest of item environment appear indented
     if pattern.contains_item && line.contains(ITEM) {
         back += 1;
     };
 
+    // Dedent delimiters
+    let mut cumul: i8 = back;
+    for c in line.chars() {
+        cumul -= i8::from(OPENS.contains(&c));
+        cumul += i8::from(CLOSES.contains(&c));
+        back = max(cumul, back);
+    }
+
     back
 }