/* move value of b:current_syntax to w:current_syntax */
new_value = get_var_value((char_u *)"b:current_syntax");
- set_internal_string_var((char_u *)"w:current_syntax", new_value);
+ if (new_value != NULL)
+ set_internal_string_var((char_u *)"w:current_syntax", new_value);
/* restore value of b:current_syntax */
- if (old_value != NULL)
+ if (old_value == NULL)
+ do_unlet((char_u *)"b:current_syntax", TRUE);
+ else
{
set_internal_string_var((char_u *)"b:current_syntax", old_value);
vim_free(old_value);