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-rw-r--r--src/editfns.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/editfns.c b/src/editfns.c
index 74261947d0e..f049aa67c30 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -3541,8 +3541,10 @@ usage: (format STRING &rest OBJECTS) */)
precision[n+1] = 10 * precision[n+1] + *format - '0';
}
- if (format - this_format_start + 1 > longest_format)
- longest_format = format - this_format_start + 1;
+ /* Extra +1 for 'l' that we may need to insert into the
+ format. */
+ if (format - this_format_start + 2 > longest_format)
+ longest_format = format - this_format_start + 2;
if (format == end)
error ("Format string ends in middle of format specifier");