Last modified: 2011-12-27 04:25:42 UTC
If a section in Wikipedia is named "Advertisement" or "Advertisements", only a blank space appears in the article where the word should be. For example, see http://en.wikipedia.org/wiki/Wikipedia:Logos, just below the section named "Editorial concerns". Even though the section title causes a blank space in the article, it nonetheless appears in the Table of Contents. (I've temporarily worked around the bug by inserting spaces between the characters, but this can easily be reproduced in the Wikipedia Sandbox.) The effect seems to only happen in the first instance of such a section title in an article, as one can name subsequent sections and subsections "Advertisement" or "Advertisements" and the titles appear as expected. This may be a remnant of a long-forgotten scheme to suppress spamming in the wiki, and there may be more "special" undocumented words that cause the bug to manifest. Only a scrutiny of the wiki source code will reveal if this is true.
Can't reproduce. Are you sure you don't have any sort of anti-advertising plugins for your web browser that could be causing this?
I can reproduce this using the Firefox plugin "Adblock Plus" with the"EasyList (English)" filter enabled. Disabling that filter allows the heading to appear.
Confirmed: This behavior was caused on my browser by Adblock Plus. Solution is to disable ad blocker plug-in permanently for all wikipedia.org pages, since Wikipedia (currently) doesn't push advertisements anyway.
