ariya/esprima — pull request #104 by kondi (2012-08-17 10:55:36+00:00)
Title: Highlight focused nodes in the editor of parser demo.

If the line and column-based location info is enabled, the editor will
highlight the corresponding character range of the focused node in tree
widget.

http://code.google.com/p/esprima/issues/detail?id=319