Syntax Highlighting with nano – nanorc for groff

## Here is an example for groff.
##
syntax "groff" "\.m[ems]$" "\.rof" "\.tmac$" "^tmac."
## The argument of .ds or .nr
color cyan "^\.(ds|nr) [^[[:space:]]]*"
## Single character escapes
color brightmagenta "\\."
## Highlight the argument of \f or \s in the same color
color brightmagenta "\\f." "\\f\(.." "\\s(\+|\-)?[0-9]"
## Newlines
color cyan "(\\|\\\\)n(.|\(..)"
color cyan start="(\\|\\\\)n\[" end="]"
## Requests
color brightgreen "^\.[[:space:]]*[^[[:space:]]]*"
## Comments
color yellow "^\.\\".*$"
## Strings
color green "(\\|\\\\)\*(.|\(..)"
color green start="(\\|\\\\)\*\[" end="]"
## Characters
color brightred "\\\(.."
color brightred start="\\\[" end="]"
## Macro arguments
color brightcyan "\\\\\$[1-9]"

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