mdocml: When finding the roff .it request (line trap), make it clear

mdocml: When finding the roff .it request (line trap), make it clear

[schwarze]

Log Message:
-----------
When finding the roff .it request (line trap),
make it clear that you cannot use mandoc to format that page (yet).
Triggered by a report from brad@, ok kristaps@.

Modified Files:
--------------
    mdocml:
        main.c
        roff.c

Revision Data
-------------
Index: roff.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/roff.c,v
retrieving revision 1.122
retrieving revision 1.123
diff -Lroff.c -Lroff.c -u -p -r1.122 -r1.123
--- roff.c
+++ roff.c
@@ -51,6 +51,7 @@ enum	rofft {
 	ROFF_ie,
 	ROFF_if,
 	ROFF_ig,
+	ROFF_it,
 	ROFF_ne,
 	ROFF_nh,
 	ROFF_nr,
@@ -172,6 +173,7 @@ static	struct roffmac	 roffs[ROFF_MAX] =
 	{ "ie", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL },
 	{ "if", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL },
 	{ "ig", roff_block, roff_block_text, roff_block_sub, 0, NULL },
+	{ "it", roff_line_ignore, NULL, NULL, 0, NULL },
 	{ "ne", roff_line_ignore, NULL, NULL, 0, NULL },
 	{ "nh", roff_line_ignore, NULL, NULL, 0, NULL },
 	{ "nr", roff_nr, NULL, NULL, 0, NULL },
@@ -934,6 +936,9 @@ roff_evalcond(const char *v, int *pos)
 static enum rofferr
 roff_line_ignore(ROFF_ARGS)
 {
+
+	if (ROFF_it == tok)
+		(*r->msg)(MANDOCERR_REQUEST, r->data, ln, ppos, "it");
 
 	return(ROFF_IGN);
 }
Index: main.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/main.c,v
retrieving revision 1.138
retrieving revision 1.139
diff -Lmain.c -Lmain.c -u -p -r1.138 -r1.139
--- main.c
+++ main.c
@@ -196,7 +196,7 @@ static	const char * const	mandocerrs[MAN
 	"escaped character not allowed in a name",
 	"skipping text before the first section header",
 	"skipping unknown macro",
-	"NOT IMPLEMENTED: skipping request",
+	"NOT IMPLEMENTED, please use groff: skipping request",
 	"line scope broken",
 	"argument count wrong",
 	"skipping end of block that is not open",
--
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