mdocml: The apropos(1) manual still documents the unary -i operator for

mdocml: The apropos(1) manual still documents the unary -i operator for

[schwarze]

Log Message:
-----------
The apropos(1) manual still documents the unary -i operator for
regular expression search terms, but it appears that somewhere 
along the way, the implementation got lost, so restore it.
Bug found while investigating other reports from Gonzalo Tornaria.

Modified Files:
--------------
    mdocml:
        mansearch.c

Revision Data
-------------
Index: mansearch.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/mansearch.c,v
retrieving revision 1.71
retrieving revision 1.72
diff -Lmansearch.c -Lmansearch.c -u -p -r1.71 -r1.72
--- mansearch.c
+++ mansearch.c
@@ -672,6 +672,12 @@ exprterm(const struct mansearch *search,
 		return e;
 	}
 
+	if (strcmp("-i", argv[*argi]) == 0 && *argi + 1 < argc) {
+		cs = 0;
+		++*argi;
+	} else
+		cs = 1;
+
 	e = mandoc_calloc(1, sizeof(*e));
 	e->type = EXPR_TERM;
 	e->bits = 0;
@@ -690,7 +696,6 @@ exprterm(const struct mansearch *search,
 	 * If needed, request regular expression handling.
 	 */
 
-	cs = 1;
 	if (search->argmode == ARG_WORD) {
 		e->bits = TYPE_Nm;
 		e->match.type = DBM_REGEX;
--
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