Regression tests in place for `.if' in libroff.

Check against some strange `.if' constructs I missed.
Added initial roff.7 manual.

1 files changed, 1 insertions, 0 deletions

diff --git a/main.c b/main.c
index 65fde5c3..d6f3c008 100644
--- a/main.c
+++ b/main.c
@@ -799,6 +799,7 @@ static	const char * const	mandocerrs[MANDOCERR_MAX] = {
 	"ok",
 	"multi-line scope open on exit",
 	"request for scope closure when no matching scope is open",
+	"macro requires line argument(s)",
 	"line arguments will be lost",
 	"memory exhausted"
 };