This is for testing Category -> Label conversions

[[Category: An Example Category]] 
[[Category: An_Example_Category]]
[[Category: An_Example_Category2]]
[[Category:nows]] 
[[Category: withnumbers123]] 
[[Category: simple]] 
[[Category: withCAPS]] 
[[Category:thislabel:hascolons]]
[[Category:thislabel(hasparens)]]
[[Category:thislabel&hasamp]]
[[Category:thislabel.hasdot]]

should create the following labels:

anexamplecategory
anexamplecategory2
nows
withnumbers123
simple
withcaps
thislabelhascolons
thislabelhasparens
thislabelhasamp
thislabelhasdot