The previous commit to this file broke the control flow keywords \{ and \}

when they immediately follow a request or macro name, without intervening
whitespace.  Minimal fix.

The lesson learnt here is that, despite their appearance, \{ and \} are
not escape sequences, so never skip them when parsing for names.

1 files changed, 3 insertions, 1 deletions

diff --git a/roff.c b/roff.c
index d79cf1da..9dfdf7fb 100644
--- a/roff.c
+++ b/roff.c
@@ -2018,10 +2018,12 @@ roff_getname(struct roff *r, char **cpp, int ln, int pos)
 		}
 		if ('\\' != *cp)
 			continue;
+		namesz = cp - name;
+		if ('{' == cp[1] || '}' == cp[1])
+			break;
 		cp++;
 		if ('\\' == *cp)
 			continue;
-		namesz = cp - name - 1;
 		mandoc_msg(MANDOCERR_NAMESC, r->parse, ln, pos, NULL);
 		mandoc_escape((const char **)&cp, NULL, NULL);
 		break;