> Then why not write that diff? Because I see setting column-number-mode on by default as best solution, but you have/had nice reason to set it to off by default. Ok, here's diff:
Index: display.c =================================================================== RCS file: /cvs/src/usr.bin/mg/display.c,v retrieving revision 1.48 diff -u -p -u -p -r1.48 display.c --- display.c 6 Jul 2017 19:27:37 -0000 1.48 +++ display.c 25 May 2018 19:31:33 -0000 @@ -91,7 +91,7 @@ struct video blanks; /* Blank line im struct score *score; /* [NROW * NROW] */ static int linenos = TRUE; -static int colnos = FALSE; +static int colnos = TRUE; /* Is macro recording enabled? */ extern int macrodef;