syntax: groff: highlight the zeroeth macro argument too

It is used in some .tmac files.
madnight · Feb 15, 2025 · f5a2b89 · f5a2b89
1 parent 8f44800
commit f5a2b89
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/syntax/groff.nanorc b/syntax/groff.nanorc
@@ -25,4 +25,4 @@ color green start="\\(\\)?\*\[" end="]"
 color brightred "\\\(.."
 color brightred start="\\\[" end="]"
 # Macro arguments
-color brightcyan "\\\\\$[1-9]"
+color brightcyan "\\\\\$[0-9]"