Fix issue #1472

scripts/copy-i18n-tags.coffee

@@ -1,5 +1,16 @@
 fs = require 'fs'
+path = require 'path'
 en = require('../app/locale/en').translation
+
+en_source = fs.readFileSync(path.join(__dirname, '../app/locale/en.coffee'), encoding='utf8')
+comments_map = {}
+
+comment_pattern = /^[\s\n]*([^:\n]+):\s*"[^#\n"]+"\s*#(.*)$/gm
+
+comment = []
+while (comment = comment_pattern.exec en_source)?
+    comments_map[comment[1]] = comment[2]
+
 dir = fs.readdirSync 'app/locale'
 for file in dir when not (file in ['locale.coffee', 'en.coffee'])
   contents = require('../app/locale/' + file)
@@ -16,6 +27,9 @@ for file in dir when not (file in ['locale.coffee', 'en.coffee'])
       tagMissing = not cat[enTag]?
       tag = (cat[enTag] ?= enString)
       tag = tag.replace /"/g, '\\"'
-      lines.push "#{if tagMissing then '#' else ''}    #{enTag}: \"#{tag}\""
+      comment = ""
+      comment = " \##{comments_map[enTag]}" if comments_map[enTag]?
+
+      lines.push "#{if tagMissing then '#' else ''}    #{enTag}: \"#{tag}\"#{comment}"
   newContents = lines.join('\n') + '\n'
   fs.writeFileSync 'app/locale/' + file, newContents