Merge pull request highlightjs#647 from suever/matlab_block_comments

Adds support for multi-line comments in Matlab

src/languages/matlab.js

@@ -90,6 +90,11 @@ function(hljs) {
         relevance: 0,
         starts: TRANSPOSE
       },
+      {
+        // Block comment
+        className: 'comment',
+        begin: '^\\s*\\%\\{\\s*$', end: '^\\s*\\%\\}\\s*$'
+      },
       {
         className: 'comment',
         begin: '\\%', end: '$'

test/detect/matlab/default.txt

@@ -24,6 +24,10 @@ while(max(len) > 2 * min(len))
     points = [ points(1:i, :); [xm, ym]; points(i + 1:end, :)];
 end
 
+%{
+    This is a block comment. Please ignore me.
+%}
+
 function [net] = get_fit_network(inputs, targets)
     % Create Network
     numHiddenNeurons = 20;  % Adjust as desired

test/markup/matlab/block_comment.expect.txt

@@ -0,0 +1,27 @@
+<span class="hljs-comment">%{ evaluate_this = false; % Evaluated as regular single-line comment</span>
+evaluate_this = true;
+<span class="hljs-comment">%}</span>
+
+evaluate_this = true;
+<span class="hljs-comment">
+%{
+This is a multi-line comment
+evaluate_this = false;
+%{
+%}
+</span>
+evaluate_this = true;
+<span class="hljs-comment">
+%{
+Opening (%{) and closing (%}) block comment markers can be within a comment block
+%}
+</span>
+evaluate_this = true;
+<span class="hljs-comment">
+    %{
+    Indented block comments can be indented
+or not
+and whitespace can be added before or after the %{ and %}
+  %}   
+</span>
+evaluate_this = true;

test/markup/matlab/block_comment.txt

@@ -0,0 +1,27 @@
+%{ evaluate_this = false; % Evaluated as regular single-line comment
+evaluate_this = true;
+%}
+
+evaluate_this = true;
+
+%{
+This is a multi-line comment
+evaluate_this = false;
+%{
+%}
+
+evaluate_this = true;
+
+%{
+Opening (%{) and closing (%}) block comment markers can be within a comment block
+%}
+
+evaluate_this = true;
+
+    %{
+    Indented block comments can be indented
+or not
+and whitespace can be added before or after the %{ and %}
+  %}   
+
+evaluate_this = true;