Description
mixed 
xslt_setopt ( resource processor, int newmask )
     xslt_setopt() sets the options specified by 
     newmask on the given processor.
     Returns the number of previous mask is possible, TRUE otherwise,
     FALSE in case of an error.
    
     newmask is a bitmask constructed with the following
     constants: 
     
- 
        XSLT_SABOPT_PARSE_PUBLIC_ENTITIES - Tell the processor
        to parse public entities. By default this has been turned off.
        
- 
        XSLT_SABOPT_DISABLE_ADDING_META - Do not add the meta
        tag "Content-Type" for HTML output. The default is set during the compilation
        of the processor.
        
- 
        XSLT_SABOPT_DISABLE_STRIPPING - Suppress the whitespace
        stripping (on data files only). 
        
- 
        XSLT_SABOPT_IGNORE_DOC_NOT_FOUND - Consider unresolved
        documents (the document() function) non-lethal.