"..." is not a Forth word, it is used here to indicate an
arbitrary sequence of Forth words.
However, it could be a Forth word, as "..." is a permissible
name. The rules for naming Forth words are;
This permissive attitude is typical of Forth. It has very few rules, but lots of
conventions. One that we have seen already is using ."dot"
to mean "print". So ." means print something. In this
instance print a string literal delimited by the following "
(Another Forth convention).
- No spaces or non-printing characters.
- 32 Characters maximum.
As an example, we could devise a program that explains "Smileys"
when the user types them at the command line;
: :-) ." I'm a happy face, indicating a light hearted comment." ;
: :-( ." I'm a sad face, indicating displeasure." ;
: [:-|] ." I'm Frankenstein's monster." ;
: >+++:) ." I'm a skeletal fish, indicating something fishy here." ;
And so on...
I wanted to know that!