* Example: Don't confuse users with _ex0().

diff --git a/doc/tutorial/ginac.texi b/doc/tutorial/ginac.texi
index c66c89173eaace10dc46a7c3e214fe7d62ca4d37..82f51d708e4ec3b2a19ae1fad0817fc79567a998 100644 (file)
--- a/doc/tutorial/ginac.texi
+++ b/doc/tutorial/ginac.texi
@@ -3678,7 +3678,7 @@ ex mystring::eval(int level) const
     @}
 
     if (new_str.length() == 0)
-        return _ex0();
+        return 0;
     else
         return mystring(new_str).hold();
 @}