(internal_self_insert): Check that tab_width does not

exceed 20, to be consistent with indent.c and xdisp.c.

diff --git a/src/cmds.c b/src/cmds.c
index 8a6fb19535c7c99e70ad06241fba48d84bd016a1..9dfd2b48a8fa502d3991cb4e2ff6ce88e3a4470f 100644 (file)
--- a/src/cmds.c
+++ b/src/cmds.c
@@ -283,6 +283,7 @@ internal_self_insert (c1, noautofill)
       && (overwrite_binary_mode
          || FETCH_CHAR (point) != '\t'
          || XINT (current_buffer->tab_width) <= 0
+         || XFASTINT (current_buffer->tab_width) > 20
          || !((current_column () + 1) % XFASTINT (current_buffer->tab_width))))
     {
       del_range (point, point + 1);