Fixes: debbugs:8806

[bpt/emacs.git] / src / editfns.c

diff --git a/src/editfns.c b/src/editfns.c
index 0e40fde..b961e60 100644 (file)
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -4083,7 +4083,10 @@ usage: (format STRING &rest OBJECTS)  */)
                  int exponent_bytes = 0;
                  int signedp = src0 == '-' || src0 == '+' || src0 == ' ';
                  int significand_bytes;
-                 if (zero_flag && '0' <= src[signedp] && src[signedp] <= '9')
+                 if (zero_flag
+                     && ((src[signedp] >= '0' && src[signedp] <= '9')
+                         || (src[signedp] >= 'a' && src[signedp] <= 'f')
+                         || (src[signedp] >= 'A' && src[signedp] <= 'F')))
                    {
                      leading_zeros += padding;
                      padding = 0;