From c46527cc32aef6fd332ea5e45757c0858b1cbb5d Mon Sep 17 00:00:00 2001
From: mitchell <70453897+667e-11@users.noreply.github.com>
Date: Mon, 30 Mar 2020 18:44:15 -0400
Subject: Fixed off-by-one issues with `buffer:get_cur_line()`.

---
 modules/ansi_c/init.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'modules/ansi_c')

diff --git a/modules/ansi_c/init.lua b/modules/ansi_c/init.lua
index 688b81c3..8cfc5135 100644
--- a/modules/ansi_c/init.lua
+++ b/modules/ansi_c/init.lua
@@ -35,7 +35,8 @@ local xpms = setmetatable({
 textadept.editing.autocompleters.ansi_c = function()
   -- Retrieve the symbol behind the caret.
   local line, pos = buffer:get_cur_line()
-  local symbol, op, part = line:sub(1, pos):match('([%w_]-)([%.%->]*)([%w_]*)$')
+  local symbol, op, part = line:sub(1, pos - 1):match(
+    '([%w_]-)([%.%->]*)([%w_]*)$')
   if symbol == '' and part == '' then return nil end -- nothing to complete
   if op ~= '' and op ~= '.' and op ~= '->' then return nil end
   -- Attempt to identify the symbol type.
-- 
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