Using a binary shift left ("<<") followed by a left parenthesis causes Perl syntax highlighting to fail.

9 aastat tagasi • uuendaja 9 aastat tagasi • 1

Example:

$x = 1 << (32 - $y);

Everything after the ; will be colored yellow, no more syntax highlighting.

Hääl

Sounds like it might be this bug: https://github.com/textmate/perl.tmbundle/issues/3