On Wed, Dec 31, 2008 at 11:57 AM, Bob Tarling <[email protected]> wrote:

> We have two choices, to keep to PGML standard or not
>
> We could abandon strict adherence to PGML and just add whatever tags
> and attributes we wish. That would certainly make our job easier.

PGML isn't a standard.  It was a proposal submitted to be used as the
basis for what eventually became SVG.  PGML wasn't selected and as far
as I know there are no other tools that use it.

In June 2000, Jason Robbins said that he had hired someone to replace
PGML with SVG in GEF.
http://markmail.org/message/4lwlrdfgm3fvj6ff
Anyone know what happened to the code?

>> 1) The PGML.tee file in argouml contains a number of <private> tags.
>
> See section C.5 in http://www.w3.org/TR/1998/NOTE-PGML-19980410
> Private tags are the extension point of PGML if there is no tag or
> attribute available in the PGML spec for what you require then in
> theory it should be specified as
>    <private>
>        <argouml:percent></argouml:percent>
>        <argouml:angle></argouml:angle>
>        <argouml:offset></argouml:offset>
>    </private>

One thing to be careful of is existing uses of the <private> tag
which, I think, use CRLF delimited data in some cases instead of using
XML tagging.  The two won't mix well together.

>> 4) Are are there any other useful references for PGML other than the
>> following?  If so, please let me know!
>
> Not that I'm aware of.

There's the PGML.dtd in the same directory as PGML.tee.  It should
also be updated with whatever changes you decide to make.

Tom

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