bug#5183: 23.1; doc for `font-lock-extra-managed-props'

[Lars Ingebrigtsen]

"Drew Adams" <drew.adams@oracle.com> writes:

> It is not clear from the doc what this variable does or how it works.
> The doc string says:
>
> "Additional text properties managed by font-lock.
> This is used by `font-lock-default-unfontify-region' to decide
> what properties to clear before refontifying a region."
>
> This speaks only of clearing the properties. It says nothing about how
> (re-)fontifying works for such extra properties.

I think it's pretty clear: These are the font properties that are
managed (i.e., cleared and set as font-lock decides), and that you can't
rely on being preserved if you set them yourself...

So I don't quite understand what you don't understand here.  :-)

-- 
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   bloggy blog: http://lars.ingebrigtsen.no