Better exm(1df) implementation

1 files changed, 4 insertions, 3 deletions

diff --git a/bin/exm b/bin/exm
index cfae82d4..7f4b4de0 100755
--- a/bin/exm
+++ b/bin/exm
@@ -1,10 +1,11 @@
 #!/bin/sh
-# If input is a terminal and ex(1) is the Vim version, force it to use a dumb
-# terminal so it doesn't clear the screen
+# Prevent Vim's ex(1) implementation from clearing the screen
 if [ -t 0 ] ; then
     ver=$(ex --version | sed '1{s/ .*//;q}') 2>/dev/null
     case $ver in
-        VIM) set -- -T builtin_dumb "$@" ;;
+        # Lie to Vim; tell it it's a dumb terminal, and that its required "cm"
+        # feature is invoked with a newline character.
+        VIM) set -- -T dumb -c 'exe "set t_cm=\<C-M>"' "$@" ;;
     esac
 fi
 exec ex "$@"