From 0a98dfec80d37a3c65b656ad7efeca02536a7736 Mon Sep 17 00:00:00 2001
From: Daniel Kolesa <d.kolesa@samsung.com>
Date: Wed, 12 Sep 2018 12:44:39 +0200
Subject: [PATCH] template: allow aliasing escape funcs

---
 template.lua | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/template.lua b/template.lua
index 78493f1..4f64866 100644
--- a/template.lua
+++ b/template.lua
@@ -294,14 +294,22 @@ local make_stream = function(str)
     end
 end
 
+local esc_def = function(str)
+    return str
+end
+
 local escapes = {
-    ["default"] = function(str)
-        return str
-    end
+    ["default"] = esc_def
 }
 
 M.set_escape = function(style, func)
     local old = escapes[style]
+    if type(func) == "string" then
+        func = escapes[func]
+    end
+    if not func then
+        func = esc_def
+    end
     escapes[style] = func
     return old
 end