From 67fdad16ebd8874420fd95e8329070dfe4f78e47 Mon Sep 17 00:00:00 2001
From: mitchell <70453897+667e-11@users.noreply.github.com>
Date: Wed, 24 Mar 2010 00:59:40 -0400
Subject: Backspace deletes auto-inserted character pairs;
 modules/textadept/editing.lua

---
 modules/textadept/editing.lua | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/modules/textadept/editing.lua b/modules/textadept/editing.lua
index 0c001076..2f9a7f3b 100644
--- a/modules/textadept/editing.lua
+++ b/modules/textadept/editing.lua
@@ -79,6 +79,20 @@ textadept.events.add_handler('char_added',
     end
   end)
 
+textadept.events.add_handler('keypress',
+  function(code, shift, control, alt)
+    -- Backspace (from <gdk/gdkkeysyms.h>)
+    if AUTOPAIR and code == 0xff08 and buffer.selections == 1 then
+      local buffer = buffer
+      local current_pos = buffer.current_pos
+      local c = buffer.char_at[current_pos - 1]
+      if char_matches[c] and
+        buffer.char_at[current_pos] == string.byte(char_matches[c]) then
+        buffer:clear()
+      end
+    end
+  end)
+
 textadept.events.add_handler('update_ui',
   function() -- highlights matching braces
     local buffer = buffer
-- 
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