Comment - DEFAULT LIGHTMAGENTA
==============================
/* this is a comment */
# this is a comment

Literal - DEFAULT GREEN
==========================
"this is a literal"

character - DEFAULT LIGHTGREEN
============================
'this is a character' `this is a character`

special characters - DEFAULT LIGHTRED
=====================================
{ } ; , ?

perl keywords - DEFAULT MAGENTA
================================
atan2 gethostbyname length package