mandoc: Support auto-tagging for ".It Va".

mandoc: Support auto-tagging for ".It Va".

[schwarze]

Log Message:
-----------
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@.

Modified Files:
--------------
    mandoc:
        mdoc_validate.c

Revision Data
-------------
Index: mdoc_validate.c
===================================================================
RCS file: /home/cvs/mandoc/mandoc/mdoc_validate.c,v
retrieving revision 1.388
retrieving revision 1.389
diff -Lmdoc_validate.c -Lmdoc_validate.c -u -p -r1.388 -r1.389
--- mdoc_validate.c
+++ mdoc_validate.c
@@ -164,7 +164,7 @@ static	const v_post mdoc_valids[MDOC_MAX
 	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 */
--
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