It's not possible to use a default value for string pseudotype parameters except numerical ones.
Code: Select all
Prototype foo( txt.p-ascii = #Null$ ) ; <-- syntax error
Prototype foo( txt.p-ascii = #Empty$ ) ; <-- syntax error
Prototype foo( txt.p-ascii = "" ) ; <-- syntax error
Prototype foo( txt.p-ascii = @"" ) ; <-- syntax error
Prototype foo( txt.p-ascii = 0 ) ; <-- no error