# HG changeset patch
# User Rik <rik@octave.org>
# Date 1544569446 28800
# Node ID 3c445cd7f1a43c4e720e62907d9a2398b065209c
# Parent  368dc1142072c3e6d31c2d00e365aeed0e15cd0b
Don't accept '$' as a valid character in variable names.

* utils.cc (valid_identifier): Remove '$' from the list of characters accepted
in a valid identifier.

diff -r 368dc1142072 -r 3c445cd7f1a4 libinterp/corefcn/utils.cc
--- a/libinterp/corefcn/utils.cc	Tue Dec 11 13:14:09 2018 -0800
+++ b/libinterp/corefcn/utils.cc	Tue Dec 11 15:04:06 2018 -0800
@@ -74,11 +74,11 @@
 
   bool valid_identifier (const char *s)
   {
-    if (! s || ! (isalpha (*s) || *s == '_' || *s == '$'))
+    if (! s || ! (isalpha (*s) || *s == '_'))
       return false;
 
     while (*++s != '\0')
-      if (! (isalnum (*s) || *s == '_' || *s == '$'))
+      if (! (isalnum (*s) || *s == '_'))
         return false;
 
     return true;