Re: [O] :session question -- and changes to #+Property: syntax

[Achim Gratz]

Eric Schulte writes:
> As I recall I was fully in favor of applying these changes, however I am
> not qualified to address the changes to property behaviors.  Hopefully
> someone who works more on that side of things can address those aspects.

Oh wait, now I understand what you're getting at, let me explain.  The
first patch that makes Org use the same regex in all places where a
property is used does indeed change some behaviour, but not the syntax
of the property line:

:PROPERTY: VALUE

where PROPERTY can contain any non-whitespace character (in
correspondence to how the keyword PROPERTY is treated in org.el since it
is not explicitly specified in org-element).

However, there were other places in Org where a more restricted syntax
for properties in property drawers was used, which would have precluded
the use of ":" in property names and made it impossible to overwrite an
inherited property from a #+PROPERTY: line that has such a property
name.

I've taken org-element as the authoritative source for the syntax and
eliminated the other interpretations based on the fact that while the
behaviour visible in the buffer (highlighting, prompts, etc.) would hint
differently, the actual property handling was using the syntax used in
org-element already.  Hence if documents existed that had mistakenly
made use of these differences, they were already broken and would be
interpreted via the property API as they are now also shown after this
change.


Regards,
Achim.
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