don't have any parameters in most expressions, rather than using them
    as the procvar itself) -> replaced procvar<>nil with assigned(procvar)
    in test/tmacprocvar.pp to keep it compiling (otherwise it now called
    the procvar); necessary in combination with the next fix to compile
    webtbs/tw17379a.pp
  * automatically disambiguate the use of the function name when used as a
    parameter in macpas mode (if the formal parameter type is a procvar
    type then interpret it as the current function definition, otherwise
    as the current function result) (mantis #17379)

git-svn-id: trunk@15971 -