---
 src/apprentice.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- src/apprentice.c
+++ src/apprentice.c	2021-10-19 08:52:01.991343421 +0000
@@ -2489,7 +2489,7 @@ check_format_type(const char *ptr, int t
 			}
 		} else
 			h = 0;
-		while (*ptr && strchr("-.#", *ptr) != NULL)
+		while (*ptr && strchr("-.# +'", *ptr) != NULL)
 			ptr++;
 #define CHECKLEN() do { \
 	for (len = cnt = 0; isdigit(CAST(unsigned char, *ptr)); ptr++, cnt++) \