\special are like \hbox, and they so they may introduve empty lines in vertical mode. That might be a problem if we don’t want empty lines at the start of the files. Hence, in latex we give them special treatment.
\CssFile[file-name,filename.ext,..]...\EndCssFile.
Default file, just in case the user doesn’t provide one. If the user does, the following file will be overwritten.
Can’t use below \a:CssFile and \b:CssFile, because \ScriptFile{\CssFile} also needs them.
\Css changes its definition upon reachin \CssFile. The first definition is needed within the sty files, and the info is sent to the lg file (where else it can be sent?).
The following provides a faster version than \LinkCommand\Link{a,href,name,} for the \Link command