Ignore blank characters at the beginning of a conditional block,

that is, after "\{".
Issue found by Markus <Waldeck at gmx dot de> in bash(1).

1 files changed, 2 insertions, 0 deletions

diff --git a/roff.c b/roff.c
index 8200f6db..0077edc9 100644
--- a/roff.c
+++ b/roff.c
@@ -2265,6 +2265,8 @@ roff_cond(ROFF_ARGS)
 	if (buf->buf[pos] == '\\' && buf->buf[pos + 1] == '{') {
 		r->last->endspan = -1;
 		pos += 2;
+		while (buf->buf[pos] == ' ')
+			pos++;
 		goto out;
 	}