Please allow either of &nbsp; or <span style="white-space:nowrap"> in MediaWiki:Categorytree-member-num.
Currently, these are rendered verbatim.
When there are numbers with a text, e.g. "n pages", or "k subcategories", or "m files", we do not want lines to automatically wrap between figures and associated texts.
Version: unspecified
Severity: enhancement
URL: http://translatewiki.net/wiki/Support#Categorytree-member-num