mdocml: Low-hanging fruit: add OpenBSD's `ad', `hy', `ne', and `nh'

mdocml: Low-hanging fruit: add OpenBSD's `ad', `hy', `ne', and `nh'

[kristaps]

Log Message:
-----------
Low-hanging fruit: add OpenBSD's `ad', `hy', `ne', and `nh' handling.

Rename roff_line() -> roff_line_ignore().

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

Revision Data
-------------
Index: roff.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/roff.c,v
retrieving revision 1.102
retrieving revision 1.103
diff -Lroff.c -Lroff.c -u -p -r1.102 -r1.103
--- roff.c
+++ roff.c
@@ -45,6 +45,7 @@
 #endif
 
 enum	rofft {
+	ROFF_ad,
 	ROFF_am,
 	ROFF_ami,
 	ROFF_am1,
@@ -53,9 +54,12 @@ enum	rofft {
 	ROFF_de1,
 	ROFF_ds,
 	ROFF_el,
+	ROFF_hy,
 	ROFF_ie,
 	ROFF_if,
 	ROFF_ig,
+	ROFF_ne,
+	ROFF_nh,
 	ROFF_rm,
 	ROFF_tr,
 	ROFF_cblock,
@@ -130,7 +134,7 @@ static	enum roffrule	 roff_evalcond(cons
 static	void		 roff_freestr(struct roff *);
 static	const char	*roff_getstrn(const struct roff *, 
 				const char *, size_t);
-static	enum rofferr	 roff_line(ROFF_ARGS);
+static	enum rofferr	 roff_line_ignore(ROFF_ARGS);
 static	enum rofferr	 roff_nr(ROFF_ARGS);
 static	int		 roff_res(struct roff *, 
 				char **, size_t *, int);
@@ -147,6 +151,7 @@ static	char		*roff_strdup(const char *);
 static	struct roffmac	*hash[HASHWIDTH];
 
 static	struct roffmac	 roffs[ROFF_MAX] = {
+	{ "ad", roff_line_ignore, NULL, NULL, 0, NULL },
 	{ "am", roff_block, roff_block_text, roff_block_sub, 0, NULL },
 	{ "ami", roff_block, roff_block_text, roff_block_sub, 0, NULL },
 	{ "am1", roff_block, roff_block_text, roff_block_sub, 0, NULL },
@@ -155,11 +160,14 @@ static	struct roffmac	 roffs[ROFF_MAX] =
 	{ "de1", roff_block, roff_block_text, roff_block_sub, 0, NULL },
 	{ "ds", roff_ds, NULL, NULL, 0, NULL },
 	{ "el", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL },
+	{ "hy", roff_line_ignore, NULL, NULL, 0, NULL },
 	{ "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 },
-	{ "rm", roff_line, NULL, NULL, 0, NULL },
-	{ "tr", roff_line, NULL, NULL, 0, NULL },
+	{ "ne", roff_line_ignore, NULL, NULL, 0, NULL },
+	{ "nh", roff_line_ignore, NULL, NULL, 0, NULL },
+	{ "rm", roff_line_ignore, NULL, NULL, 0, NULL },
+	{ "tr", roff_line_ignore, NULL, NULL, 0, NULL },
 	{ ".", roff_cblock, NULL, NULL, 0, NULL },
 	{ "\\}", roff_ccond, NULL, NULL, 0, NULL },
 	{ "nr", roff_nr, NULL, NULL, 0, NULL },
@@ -841,7 +849,7 @@ roff_evalcond(const char *v, int *pos)
 
 /* ARGSUSED */
 static enum rofferr
-roff_line(ROFF_ARGS)
+roff_line_ignore(ROFF_ARGS)
 {
 
 	return(ROFF_IGN);
--
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