From 72f1ba5dfdbe1adad222da8bbcd456b71d21b678 Mon Sep 17 00:00:00 2001
From: Jon Michael Aanes <jonjmaa@gmail.com>
Date: Fri, 16 Jun 2017 17:04:14 +0200
Subject: [PATCH] Fixed some issues where `pretty` would create new global
 variables.

---
 analyze_structure.lua | 2 +-
 pretty.lua            | 2 +-
 test/tests.lua        | 1 +
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/analyze_structure.lua b/analyze_structure.lua
index 0d7f8b4..07a7f7f 100644
--- a/analyze_structure.lua
+++ b/analyze_structure.lua
@@ -1,7 +1,7 @@
 
 local TABLE_TYPE
 do
-    local thispath = ... and select('1', ...):match('.+%.') or ''
+    local thispath, was_loaded =  ... and select('1', ...):match('.+%.') or ''
     was_loaded, TABLE_TYPE         =  pcall(require, thispath..'table_type')
     assert(was_loaded, '[pretty]: Could not load vital library: table_type')
 end
diff --git a/pretty.lua b/pretty.lua
index f9e0464..925c169 100644
--- a/pretty.lua
+++ b/pretty.lua
@@ -300,7 +300,7 @@ local TABLE_TYPE_TO_PAIR_FORMAT = {
 
 -- Formatting tables
 
-function format_table (t, depth, l)
+local function format_table (t, depth, l)
     -- TODO: Add more nuanced formatting.
 
     -- Error Checking
diff --git a/test/tests.lua b/test/tests.lua
index d175220..b9a6067 100644
--- a/test/tests.lua
+++ b/test/tests.lua
@@ -2,6 +2,7 @@
 package.path = package.path .. ';./test/?.lua;./src/?.lua'
 
 local TEST_SUITE = require("TestSuite").new('pretty')
+      TEST_SUITE:enableStrictGlobal()
       TEST_SUITE:addModules('test/test_*')
 --      TEST_SUITE:generateRequireSubmodule 'require'
       TEST_SUITE:setOptions(...)