Sjabloon:Class mask

{{#switch:¬

|fa
|fl
|a
|ga
|c        = 
|b        = B
|start
|stub
|list     = 
|na       = NA
|image
|img
|file     = NA
|category
|cat
|categ    = NA
|disambiguation
|disambig
|disamb
|dab      = NA
|portal   = NA
|redirect
|red
|redir    = NA
|template
|temp
|tpl
|templ    = NA
|project  = NA
|draft    = NA
|book     = NA
|fm       = NA
|¬        = ¬
|#default = {{#if:{{{|}}}
 |{{{|}}}
 |NA
}}

}}

Sjabloondokumentasie[skep]