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Date: Sat, 25 Jul 2015 09:02:37 -0500 (EST)
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From: schwarze@mdocml.bsd.lv
To: source@mdocml.bsd.lv
Subject: mdocml: basic support for tag priorities; written at YYC
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Log Message:
-----------
basic support for tag priorities; written at YYC

Modified Files:
--------------
    mdocml:
        mdoc_term.c
        tag.c
        tag.h

Revision Data
-------------
Index: tag.h
===================================================================
RCS file: /home/cvs/mdocml/mdocml/tag.h,v
retrieving revision 1.2
retrieving revision 1.3
diff -Ltag.h -Ltag.h -u -p -r1.2 -r1.3
--- tag.h
+++ tag.h
@@ -18,8 +18,8 @@
 __BEGIN_DECLS
 
 char	*tag_init(void);
-size_t	 tag_get(const char *, size_t);
-void	 tag_put(const char *, size_t, size_t);
+size_t	 tag_get(const char *, size_t, int);
+void	 tag_put(const char *, size_t, int, size_t);
 void	 tag_write(void);
 void	 tag_unlink(void);
 
Index: tag.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/tag.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -Ltag.c -Ltag.c -u -p -r1.3 -r1.4
--- tag.c
+++ tag.c
@@ -34,6 +34,7 @@
 
 struct tag_entry {
 	size_t	 line;
+	int	 prio;
 	char	 s[];
 };
 
@@ -81,7 +82,7 @@ tag_init(void)
  * or 0 if the term is unknown.
  */
 size_t
-tag_get(const char *s, size_t len)
+tag_get(const char *s, size_t len, int prio)
 {
 	struct tag_entry	*entry;
 	const char		*end;
@@ -94,14 +95,14 @@ tag_get(const char *s, size_t len)
 	end = s + len;
 	slot = ohash_qlookupi(&tag_data, s, &end);
 	entry = ohash_find(&tag_data, slot);
-	return(entry == NULL ? 0 : entry->line);
+	return((entry == NULL || prio < entry->prio) ? 0 : entry->line);
 }
 
 /*
  * Set the line number where a term is defined.
  */
 void
-tag_put(const char *s, size_t len, size_t line)
+tag_put(const char *s, size_t len, int prio, size_t line)
 {
 	struct tag_entry	*entry;
 	const char		*end;
@@ -121,6 +122,7 @@ tag_put(const char *s, size_t len, size_
 		ohash_insert(&tag_data, slot, entry);
 	}
 	entry->line = line;
+	entry->prio = prio;
 }
 
 /*
Index: mdoc_term.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/mdoc_term.c,v
retrieving revision 1.320
retrieving revision 1.321
diff -Lmdoc_term.c -Lmdoc_term.c -u -p -r1.320 -r1.321
--- mdoc_term.c
+++ mdoc_term.c
@@ -2268,7 +2268,7 @@ termp_tag_pre(DECL_ARGS)
 	     (n->parent->tok == MDOC_Xo &&
 	      n->parent->parent->prev == NULL &&
 	      n->parent->parent->parent->tok == MDOC_It)) &&
-	    ! tag_get(n->child->string, 0))
-		tag_put(n->child->string, 0, p->line);
+	    ! tag_get(n->child->string, 0, 1))
+		tag_put(n->child->string, 0, 1, p->line);
 	return(1);
 }
--
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