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-rw-r--r--system/ksh-openbsd/patches/03-ksh-vi-Ctrl-l-in-insert-mode-to-clear-the-screen.diff45
1 files changed, 45 insertions, 0 deletions
diff --git a/system/ksh-openbsd/patches/03-ksh-vi-Ctrl-l-in-insert-mode-to-clear-the-screen.diff b/system/ksh-openbsd/patches/03-ksh-vi-Ctrl-l-in-insert-mode-to-clear-the-screen.diff
new file mode 100644
index 0000000000..21a57ffb42
--- /dev/null
+++ b/system/ksh-openbsd/patches/03-ksh-vi-Ctrl-l-in-insert-mode-to-clear-the-screen.diff
@@ -0,0 +1,45 @@
+From 13ef2cd4206ed541fe1dae46c91a339fba5cf5cf Mon Sep 17 00:00:00 2001
+From: Alexander Polakov <polachok@gmail.com>
+Date: Sun, 29 May 2011 15:12:31 +0400
+Subject: [PATCH 3/8] ksh/vi: Ctrl-l in insert mode to clear the screen.
+
+ Why: typing "clear" is too slow.
+---
+ ksh.1 | 3 +++
+ vi.c | 6 ++++++
+ 2 files changed, 9 insertions(+), 0 deletions(-)
+
+diff --git ksh.1 ksh.1
+index f4b5815..01130ea 100644
+--- ksh.1
++++ ksh.1
+@@ -5215,6 +5215,9 @@ List all the commands or files that match the current big-word.
+ Macro expansion.
+ Execute the commands found in the alias
+ .Ar c .
++.It ^L
++Clear the screen leaving the current line at the top of the
++screen.
+ .El
+ .Pp
+ Intra-line movement commands:
+diff --git vi.c vi.c
+index e4173c7..d0de478 100644
+--- vi.c
++++ vi.c
+@@ -646,6 +646,12 @@ vi_insert(int ch)
+ return redo_insert(lastac - 1);
+
+ /* { Begin nonstandard vi commands */
++ case Ctrl('l'):
++ /* Use ANSI escape codes to clear the screen */
++ x_puts("\033[2J\033[0;0H");
++ redraw_line(0);
++ break;
++
+ case Ctrl('x'):
+ expand_word(0);
+ break;
+--
+1.7.5
+