Specifies the output format in which the documentation will be generated. Currently, the following
formats are known:
     
- 
htm 
 - Plain HTML with 8.3 conforming filenames.
     
 - 
html 
 - HTML with long filenames.
     
 - 
xhtml 
 - XHTML with long filenames.
     
 - 
latex 
 - LaTex, which uses the fpc.sty style used by the Free Pascal documentation.
     
 - 
xml-struct 
 - Structured XML.
     
 - 
chm 
 - Compressed HTML.