From: Po Lu <luangruo@yahoo.com>
Date: Fri, 6 May 2022 03:32:19 +0000 (+0800)
Subject: * lwlib/lwlib.c (lw_separator_p): Fix empty strings being separators.
X-Git-Tag: emacs-29.0.90~1931^2~33
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=d6b5ac0f949b08cab78921b1d95a47ca0a95bc36;p=emacs.git

* lwlib/lwlib.c (lw_separator_p): Fix empty strings being separators.
---

diff --git a/lwlib/lwlib.c b/lwlib/lwlib.c
index 30546b60e51..863f65c915f 100644
--- a/lwlib/lwlib.c
+++ b/lwlib/lwlib.c
@@ -1324,10 +1324,14 @@ lw_separator_p (const char *label, enum menu_separator *type, int motif_p)
     {
       /* Old-style separator, maybe.  It's a separator if it contains
 	 only dashes.  */
-      while (*label == '-')
-	++label;
-      separator_p = *label == 0;
-      *type = SEPARATOR_SHADOW_ETCHED_IN;
+      if (*label == '-')
+	{
+	  while (*label == '-')
+	    ++label;
+	  separator_p = *label == 0;
+
+	  *type = SEPARATOR_SHADOW_ETCHED_IN;
+	}
     }
 
   return separator_p;