in display_string(), if column is less than start_col and the

character's a tab, which can be possible if there are enough tabs and
the terminal size is sufficiently large, don't try to display it using
control_mbrep()


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3014 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -318,6 +318,10 @@ CVS code -
   display_string()
 	- Instead of using parse_mbchar()'s bad_chr parameter, use
 	  mbrep() to get the representation of a bad character. (DLR)
+	- If column is less than start_col and the character's a tab,
+	  which can be possible if there are enough tabs and the
+	  terminal size is sufficiently large, don't try to display it
+	  using control_mbrep(). (DLR, found by Duncan G. Doyle)
   edit_redraw(), edit_refresh()
 	- Clean up and simplify. (DLR)
   edit_update()

src/winio.c

@@ -2335,8 +2335,8 @@ char *display_string(const char *buf, size_t start_col, size_t len, bool
     converted = charalloc(alloc_len + 1);
     index = 0;
 
-    if (column < start_col || (dollars && column > 0 &&
-	buf[start_index] != '\t')) {
+    if (buf[start_index] != '\t' && (column < start_col || (dollars &&
+	column > 0))) {
 	/* We don't display all of buf[start_index] since it starts to
 	 * the left of the screen. */
 	buf_mb_len = parse_mbchar(buf + start_index, buf_mb, NULL);