Use backslashes instead of concatenation for multiline strings. #960

src/config/Config.coffee

@@ -821,7 +821,7 @@ Config =
 
   favicon: 'ferongr'
 
-  usercss: `<%= multiline(read('user.css')) %>`
+  usercss: `<%= JSON.stringify(read('user.css')) %>`
 
   hotkeys:
     # QR & Options

src/meta/jshint.json

@@ -5,6 +5,7 @@
   "expr":    true,
   "sub":     true,
   "scripturl": true,
+  "multistr": true,
   "browser": true,
   "devel":   true,
   "nonstandard": true,

tools/template.js

@@ -21,7 +21,7 @@ tools.readHTML = function(filename) {
 };
 
 tools.multiline = function(text) {
-  return text.replace(/\n+/g, '\n').split(/^/m).map(JSON.stringify).join(' +\n').replace(/`/g, '\\`');
+  return text.replace(/\n+/g, '\n').split(/^/m).map(JSON.stringify).join('+').replace(/"\+"/g, '\\\n');
 };
 
 // Convert JSON object to Coffeescript expression (via embedded JS).