## Here is an example for Python.

syntax "python" "\.py$"
header "^#!.*/python[-0-9._]*"

# Function definitions.
icolor brightblue "def [0-9A-Z_]+"
# Keywords.
color brightcyan "\<(and|as|assert|break|class|continue|def|del|elif|else|except|exec|finally|for|from|global|if|import|in|is|lambda|not|or|pass|print|raise|return|try|while|with|yield)\>"

# Strings.
color brightgreen "['][^']*[^\\][']" "[']{3}.*[^\\][']{3}"
color brightgreen "["][^"]*[^\\]["]" "["]{3}.*[^\\]["]{3}"
# Multiline strings.
color brightgreen start="\"\"\"([^"),]|$)" end="(^|[^(])\"\"\""
color brightgreen    start="'''([^'),]|$)" end="(^|[^(])'''"

# Comments.
color brightred "(^|[[:blank:]])#.*$"
# Reminders.
color ,yellow "(FIXME|TODO|XXX)"

# Trailing whitespace.
color ,green "[[:space:]]+$"