--- heirloom-doctools-080407-baseline/troff/nii.c	2024-12-12 21:31:12.340823293 +0300
+++ heirloom-doctools-080407/troff/nii.c	2024-12-12 21:39:55.753837965 +0300
@@ -165,7 +165,7 @@
 int	spreadlimit;
 int	lastrq;
 long	realpage;
-int	tryglf;
+extern int	tryglf;
 char	*gchtab;
 int	tailflg;
 int	minflg;