Support auto-tagging for ".It Va".

This combination is somewhat rare because few libraries expose so many
global variables that they need a list to enumerate them, but when the
idiom does occur, tagging the variable names is generally useful.
For example, this helps awk(1), dc(1), make(1), rc.subr(8), ...

Missing feature reported and patch reviewed, tested, and OK'ed by kn@.

diff --git a/mdoc_validate.c b/mdoc_validate.c
index 3dc4a6f1c0eacc6f848af3f1da5abf7102d925e2..e1cd3ae1edcbff150170a061868c3013146f511b 100644 (file)
--- a/mdoc_validate.c
+++ b/mdoc_validate.c
@@ -1,4 +1,4 @@
-/* $Id: mdoc_validate.c,v 1.388 2020/10/30 13:24:33 schwarze Exp $ */
+/* $Id: mdoc_validate.c,v 1.389 2021/07/18 11:41:23 schwarze Exp $ */
 /*
  * Copyright (c) 2010-2020 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
@@ -164,7 +164,7 @@ static      const v_post mdoc_valids[MDOC_MAX - MDOC_Dd] = {
        post_defaults,  /* Pa */
        post_rv,        /* Rv */
        post_st,        /* St */
-       post_delim_nb,  /* Va */
+       post_tag,       /* Va */
        post_delim_nb,  /* Vt */
        post_xr,        /* Xr */
        NULL,           /* %A */