Fix #1675.

CHANGELOG.md

@@ -1,3 +1,5 @@
+- The QR won't duplicate single-word captchas anymore if you've input numbers only (like a street address).
+
 ### 3.20.13 - *2014-05-09*
 
 - [Security fix](https://github.com/MayhemYDG/4chan-x/issues/1634).

src/Posting/QR.captcha.coffee

@@ -61,9 +61,10 @@ QR.captcha =
   getOne: ->
     challenge = @nodes.img.alt
     response  = @nodes.input.value.trim()
-    if response and !/\s/.test response
+    if response and !/\s|^\d+$/.test response
       # one-word-captcha:
       # If there's only one word, duplicate it.
+      # If it's a number (street address), don't duplicate it.
       response = "#{response} #{response}"
     {challenge, response}
   load: ->