committed land...@'s patch for issue 144 : escaped quotes in bash

Author: [email protected]

js-modules/prettify.js

@@ -510,7 +510,9 @@ window['PR']
              // with an optional modifier like UL for unsigned long
              + '[a-z]*', 'i'),
          null, '0123456789'],
-        [PR_PUNCTUATION, /^.[^\s\w\.$@\'\"\`\/\#]*/, null]);
+        // Don't treat escaped quotes in bash as starting strings.  See issue 144.
+        [PR_PLAIN,       /^\\[\s\S]?/, null],
+        [PR_PUNCTUATION, /^.[^\s\w\.$@\'\"\`\/\#\\]*/, null]);
 
     return createSimpleLexer(shortcutStylePatterns, fallthroughStylePatterns);
   }

src/prettify.js

@@ -838,7 +838,9 @@ window['PR']
              // with an optional modifier like UL for unsigned long
              + '[a-z]*', 'i'),
          null, '0123456789'],
-        [PR_PUNCTUATION, /^.[^\s\w\.$@\'\"\`\/\#]*/, null]);
+        // Don't treat escaped quotes in bash as starting strings.  See issue 144.
+        [PR_PLAIN,       /^\\[\s\S]?/, null],
+        [PR_PUNCTUATION, /^.[^\s\w\.$@\'\"\`\/\#\\]*/, null]);
 
     return createSimpleLexer(shortcutStylePatterns, fallthroughStylePatterns);
   }

tests/prettify_test_2.html

@@ -399,6 +399,17 @@ <h1>Tex support</h1>
 \setlength{\tabcolsep}{0em}
 </pre>
 
+<h1>Issue 144</h1>
+Escaped quotes in bash.
+<pre id="issue144" class="prettyprint">
+#! /bin/bash
+# toascii.sh
+for i in $(echo $* | fold -w 1);do
+  printf "%x " \'$i;
+done;
+echo
+</pre>
+
 <h1>Issue 145</h1>
 <pre id="issue145" class="prettyprint">
 &lt;script type="text/javascript"&gt;
@@ -785,6 +796,16 @@ <h1>Issue 145</h1>
         '`END`KWD\\usepackage`END`PUN{`END`PLNtextcomp`END`PUN}`END`PLN\n' +
         '`END`KWD\\pagestyle`END`PUN{`END`PLNempty`END`PUN}`END`PLN\n' +
         '`END`KWD\\setlength`END`PUN{`END`KWD\\tabcolsep`END`PUN}{`END`LIT0em`END`PUN}`END'
+        ),
+  issue144: (
+        '`COM#! /bin/bash`END`PLN\n' +
+        '`END`COM# toascii.sh`END`PLN\n' +
+        '`END`KWDfor`END`PLN i `END`KWDin`END`PLN $`END`PUN(`END`PLNecho $`END`PUN*' +
+          '`END`PLN `END`PUN|`END`PLN fold `END`PUN-`END`PLNw `END`LIT1`END`PUN);`END' +
+          '`KWDdo`END`PLN\n' +
+        '  printf `END`STR"%x "`END`PLN \\\'$i`END`PUN;`END`PLN\n' +
+        '`END`KWDdone`END`PUN;`END`PLN\n' +
+        'echo`END'
         )
 };
 </script>