diff --git a/data/plugins/language_lua.lua b/data/plugins/language_lua.lua
index 168ea0ce..5df3d29f 100644
--- a/data/plugins/language_lua.lua
+++ b/data/plugins/language_lua.lua
@@ -6,21 +6,28 @@ syntax.add {
   headers = "^#!.*[ /]lua",
   comment = "--",
   patterns = {
-    { pattern = { '"', '"', '\\' },       type = "string"   },
-    { pattern = { "'", "'", '\\' },       type = "string"   },
-    { pattern = { "%[%[", "%]%]" },       type = "string"   },
-    { pattern = { "%-%-%[%[", "%]%]"},    type = "comment"  },
-    { pattern = "%-%-.-\n",               type = "comment"  },
-    { pattern = "-?0x%x+",                type = "number"   },
-    { pattern = "-?%d+[%d%.eE]*",         type = "number"   },
-    { pattern = "-?%.?%d+",               type = "number"   },
-    { pattern = "<%a+>",                  type = "keyword2" },
-    { pattern = "%.%.%.?",                type = "operator" },
-    { pattern = "[<>~=]=",                type = "operator" },
-    { pattern = "[%+%-=/%*%^%%#<>]",      type = "operator" },
-    { pattern = "[%a_][%w_]*%s*%f[(\"{]", type = "function" },
-    { pattern = "[%a_][%w_]*",            type = "symbol"   },
-    { pattern = "::[%a_][%w_]*::",        type = "function" },
+    { pattern = { '"', '"', '\\' },          type = "string" },
+    { pattern = { "'", "'", '\\' },          type = "string" },
+    { pattern = { "%[%[", "%]%]" },          type = "string" },
+    { pattern = { "%-%-%[%[", "%]%]"},       type = "comment" },
+    { pattern = "%-%-.-\n",                  type = "comment" },
+    { pattern = "0x%x+%.%x*[pP][-+]?%d+",    type = "number" },
+    { pattern = "0x%x+%.%x*",                type = "number" },
+    { pattern = "0x%.%x+[pP][-+]?%d+",       type = "number" },
+    { pattern = "0x%.%x+",                   type = "number" },
+    { pattern = "0x%x+[pP][-+]?%d+",         type = "number" },
+    { pattern = "0x%x+",                     type = "number" },
+    { pattern = "%d%.%d*[eE][-+]?%d+",       type = "number" },
+    { pattern = "%d%.%d*",                   type = "number" },
+    { pattern = "%.?%d*[eE][-+]?%d+",        type = "number" },
+    { pattern = "%.?%d+",                    type = "number" },
+    { pattern = "<%a+>",                     type = "keyword2" },
+    { pattern = "%.%.%.?",                   type = "operator" },
+    { pattern = "[<>~=]=",                   type = "operator" },
+    { pattern = "[%+%-=/%*%^%%#<>]",         type = "operator" },
+    { pattern = "[%a_][%w_]*()%s*%f[(\"'{]", type = {"function", "normal"} },
+    { pattern = "[%a_][%w_]*",               type = "symbol" },
+    { pattern = "::[%a_][%w_]*::",           type = "function" },
   },
   symbols = {
     ["if"]       = "keyword",