[ [ C a t e g o r y : H e l l o W o r l d ! ] ] {\displaystyle [[Category:HelloWorld!]]}
User:Sgr927 — Preceding unsigned comment added by 127.0.0.1 (talk • contribs) 18:45, 3 August 2010 (UTC)
![{\displaystyle [[Category:HelloWorld!]]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/e9279fe0fab7aeb4fffebcb4f78c41d7621d6918)
