support the highly surprising escape sequence \# (line continuation

with comment); used for example by gropdf(1)

1 files changed, 8 insertions, 1 deletions

diff --git a/roff.c b/roff.c
index 91f4b1fb..705fddeb 100644
--- a/roff.c
+++ b/roff.c
@@ -1205,7 +1205,14 @@ roff_res(struct roff *r, struct buf *buf, int ln, int pos)
 			r->man->next = ROFF_NEXT_SIBLING;
 		}
 
-		/* Discard comments. */
+		/* Line continuation with comment. */
+
+		if (stesc[1] == '#') {
+			*stesc = '\0';
+			return ROFF_APPEND;
+		}
+
+		/* Discard normal comments. */
 
 		while (stesc > start && stesc[-1] == ' ')
 			stesc--;