From 9eb47002b4ccfac4f57118ed4be11f21b0eddca5 Mon Sep 17 00:00:00 2001
From: mitchell <70453897+667e-11@users.noreply.github.com>
Date: Mon, 17 Feb 2020 15:25:42 -0500
Subject: Treat `textadept.editing.api_files` as already containing empty
 per-lexer lists. The language modules should not overwrite them, as user
 scripts may define them in on init.

---
 modules/ansi_c/init.lua       | 8 ++++----
 modules/lua/init.lua          | 8 ++++----
 modules/textadept/editing.lua | 4 ++++
 3 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/modules/ansi_c/init.lua b/modules/ansi_c/init.lua
index 18e88158..0daf562b 100644
--- a/modules/ansi_c/init.lua
+++ b/modules/ansi_c/init.lua
@@ -76,10 +76,10 @@ textadept.editing.autocompleters.ansi_c = function()
   return #part, list
 end
 
-textadept.editing.api_files.ansi_c = {
-  _HOME..'/modules/ansi_c/api', _HOME..'/modules/ansi_c/lua_api',
-  _USERHOME..'/modules/ansi_c/api'
-}
+local api_files = textadept.editing.api_files
+api_files.ansi_c[#api_files.ansi_c + 1] = _HOME..'/modules/ansi_c/api'
+api_files.ansi_c[#api_files.ansi_c + 1] = _HOME..'/modules/ansi_c/lua_api'
+api_files.ansi_c[#api_files.ansi_c + 1] = _USERHOME..'/modules/ansi_c/api'
 
 -- Commands.
 
diff --git a/modules/lua/init.lua b/modules/lua/init.lua
index 19e21785..ac6b824b 100644
--- a/modules/lua/init.lua
+++ b/modules/lua/init.lua
@@ -94,10 +94,10 @@ textadept.editing.autocompleters.lua = function()
   return #part, list
 end
 
-textadept.editing.api_files.lua = {
-  _HOME..'/modules/lua/api', _USERHOME..'/modules/lua/api',
-  ta_api(_HOME..'/modules/lua/ta_api')
-}
+local api_files = textadept.editing.api_files
+api_files.lua[#api_files.lua + 1] = _HOME..'/modules/lua/api'
+api_files.lua[#api_files.lua + 1] = _USERHOME..'/modules/lua/api'
+api_files.lua[#api_files.lua + 1] = ta_api(_HOME..'/modules/lua/ta_api')
 
 -- Commands.
 
diff --git a/modules/textadept/editing.lua b/modules/textadept/editing.lua
index b0e8bf62..e9014f3f 100644
--- a/modules/textadept/editing.lua
+++ b/modules/textadept/editing.lua
@@ -121,6 +121,10 @@ M.autocompleters = {}
 -- @name api_files
 -- @see show_documentation
 M.api_files = {}
+setmetatable(M.api_files, {__index = function(t, k)
+  t[k] = {}
+  return t[k]
+end})
 
 -- Matches characters specified in auto_pairs.
 events.connect(events.CHAR_ADDED, function(code)
-- 
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