Re: xml-parse-file and text properties

[Stefan Monnier]

>     It seems cleaner to me to define a property symbol (like `composition' or
>     `fontified') as "necessary" to the text if it (the symbol) has a non-nil
>     value for one of its properties -- say, `necessary', or `textual'.  Then
>     there could be `strip-superficial-properties' that removed text properties
>     whose names lacked the property.

> I think that is a good idea.

Maybe an approach along the lines of what we do with front-sticky would make
sense, this way every particular use of a property can be separately marked
as needing to be kept or not.


        Stefan