Embedded PHP Causes Highlighting Error

[luxlogica]

It seems that the current Pug syntax highlighter has trouble with PHP tags. It is probably not setup to identify PHP's opening - <?php - and closing - ?> tags, so it it seems to think that the closing > is mismatched. This is what we see in Sublime Text 3 (Build 3126):

The issue also happens if we use PHP short tags syntax - i.e., <? and <?= opening tags.

This does not seem to happen inside interpolated tags - i.e., in the example below, the highlighter just parses everything as plain text:

[davidrios]

Please comment if you think this is still relevant.