Posted by Andy Dingley on 06/01/06 15:20

Stewart Gordon wrote:
> David Håsäther wrote:
> <snip>
> > No, it requires a _parameter separator_. However, those are not
> > required in all circumstances. The SGML Handbook (372:15) says this:
> >
> > | A required ps that is adjacent to a delimiter or another ps can be
> > | can be omitted if no ambiguity would be created thereby.
> <snip>
>
> "A required ps" ... "can be omitted". What contradiction.

It's not a contradiction, it's a question of levels in the structure.
At a high level it's required (parameters must be distinguishable), at
a low lexical level it isn't (something else already makes them
distinct).

[Back to original message]