JavaScript highlighting breaks on left angle bracket (less-than, <)

This may be reproduced with the jQuery code ( http://code.jquery.com/jquery-1.10.1.js )

The less-than < operator, bit-shift operator << and some occurrences of < in comments produce a tag highlighting.

Examples from the jQuery code where tag is produced:

        // BMP codepoint
        high < 0 ?

// Support: Android<4.0
// Detect silently failing push.apply

// Support: Chrome<<14
// Always assume duplicates if they aren't passed to the comparison function

// General-purpose constants
strundefined = typeof undefined,
MAX_NEGATIVE = 1 << 31,

It looks like a major bug to me.

Also looks like the following lines of the language definition somehow connected to the issue, but I don’t exactly sure how to fix it (and if they are the only cause):

      { // E4X
        begin: '<', end: '>;',
        subLanguage: 'xml'
      }

[isagalaev]

@unilobo the behavior you’re seeing is not caused by this bug which deals with a raw staring to highlight. Yours is just plain lack of escaping in HTML: you need to escape < in HTML if you want it literally. <code> has no special escaping rules and <h2> inside <code> is just a tag, same as everywhere else. This has nothing to do with highlight.js, really 😃

[unilobo]

Hey, just using version 8/9 and this seems to suffer the same problem?

Namely, html does not display correctly unless replacing left angle bracket with &lt<;.

I wish you would mention this in docs/readme. d:)

Is this expected behavior or a bug?

Example here;

http://codepen.io/2dareis2do/pen/ygdWXV