From 8ad622fc6db9a873753e77530d9c9f9401867fd6 Mon Sep 17 00:00:00 2001
From: mitchell <70453897+667e-11@users.noreply.github.com>
Date: Tue, 17 Jul 2012 17:48:59 -0400
Subject: Added function to check if a localized message exists;
 core/locale.lua

---
 core/locale.lua | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

(limited to 'core')

diff --git a/core/locale.lua b/core/locale.lua
index 1763f396..8c838ecc 100644
--- a/core/locale.lua
+++ b/core/locale.lua
@@ -5,11 +5,15 @@ local M = {}
 --[[ This comment is for LuaDoc.
 ---
 -- Table of all messages used by Textadept for localization.
--- @field _NIL (string)
---   String returned when no localization for a given message exists.
 module('_L')]]
 
-M._NIL = 'No Localization'
+local none = 'No Localization: '
+
+---
+-- Returns whether or not a localized message exists for the given message.
+-- @param message The message to localize.
+-- @return `true` if a localization exists, `false` otherwise.
+function M._EXISTS(message) return M[message] ~= none..message end
 
 local f = io.open(_USERHOME..'/locale.conf', 'rb')
 if not f then f = io.open(_HOME..'/core/locale.conf', 'rb') end
@@ -22,4 +26,4 @@ for line in f:lines() do
 end
 f:close()
 
-return setmetatable(M, { __index = function(t, k) return M._NIL..': '..k end })
+return setmetatable(M, { __index = function(t, k) return none..k end })
-- 
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