====== IsColorCodeChar ======
{{tag>string color_codes}}
''bool IsColorCodeChar(int c)''

===== Description =====
Returns true if c is a valid single-character color code (like ''\cg'' but not ''\c[blue]'').

See the [[zdoom>print#Colors|list of single-character color codes]] at ZDoom Wiki

<note important>''['' is not treated as a color code by this function.</note>

<note important>The argument is a character (integer), not a string.</note>

===== Examples =====
<code>
IsColorCodeChar('g') -> true
IsColorCodeChar('a') -> false
</code>