From d4e4004a53ca7fa163aac66fa630fac6c119ff28 Mon Sep 17 00:00:00 2001
From: Ingo Schwarze <schwarze@openbsd.org>
Date: Sat, 21 Mar 2020 00:17:31 +0000
Subject: When setting automatic tags, skip initial hyphens and minus signs,
 bringing the behaviour for mdoc(7) closer to what is already done for man(7).
 Triggered by the observation of kn@ that automatic tagging didn't work very
 well for find(1) primaries. OK kn@

---
 tag.c | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

(limited to 'tag.c')

diff --git a/tag.c b/tag.c
index 6a38ad68..14327415 100644
--- a/tag.c
+++ b/tag.c
@@ -1,4 +1,4 @@
-/* $Id: tag.c,v 1.29 2020/03/13 16:16:58 schwarze Exp $ */
+/* $Id: tag.c,v 1.30 2020/03/21 00:17:31 schwarze Exp $ */
 /*
  * Copyright (c) 2015,2016,2018,2019,2020 Ingo Schwarze <schwarze@openbsd.org>
  *
@@ -89,8 +89,24 @@ tag_put(const char *s, int prio, struct roff_node *n)
 		if (n->child == NULL || n->child->type != ROFFT_TEXT)
 			return;
 		s = n->child->string;
-		if (s[0] == '\\' && (s[1] == '&' || s[1] == 'e'))
-			s += 2;
+		switch (s[0]) {
+		case '-':
+			s++;
+			break;
+		case '\\':
+			switch (s[1]) {
+			case '&':
+			case '-':
+			case 'e':
+				s += 2;
+				break;
+			default:
+				break;
+			}
+			break;
+		default:
+			break;
+		}
 	}
 
 	/*
-- 
cgit v1.2.3-56-ge451