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RE: command to fontify whole buffer?
From: |
Drew Adams |
Subject: |
RE: command to fontify whole buffer? |
Date: |
Thu, 22 Sep 2011 07:56:52 -0700 |
> > `font-lock-fontify-buffer' doesn't do it.
>
> Are you sure? I thought it did, and looking again at the
> fine source, it does appear to.
No, I only think I'm sure. ;-)
After calling `font-lock-fontify-buffer', I can search for zones with face
`font-lock-function-name-face', for example, and I can see that there are no
such zones after some minimal portion of the buffer.
> > Marking the whole buffer and using
> `(font-lock-fontify-region BEG END)'
> > doesn't do it.
>
> Ditto.
ditto
> > Digging more than a bit, I finally found non-interactive function
> > `jit-lock-fontify-now', which seems to do the trick. Why
> > not provide a command that does it?
>
> jit-lock-fontify-now just calls the function
> font-lock-fontify-region (via a hook) which calls
> font-lock-default-fontify-region (via another hook).
I believe you, but I'm not seeing `font-lock-default-fontify-region' fontify
everything. I'm no expert on this at all. Just going by what I think I see.
> Surely 'fontified DOES do it. If it has the value t throughout the
> buffer, that buffer is fully fontified, otherwise not.
Perhaps you're right that if I checked that property throughout the entire
buffer it would be sufficient. Dunno. I probably didn't try testing it
everywhere. But if that's the best test for full-buffer fontification then I
would still prefer something simpler/quicker.
> Or have I misunderstood something?
No, no doubt I have. No doubt I still do. ;-)
> By the way, I drew a diagram of how jit-lock works about 5 years ago,
> tracing the functions which call each other, and the hooks
> out of which things get hoiked. Would you be interested in a copy of it?
I guess so; thanks. But I would mostly be interested in confirmation that you
are right etc. I do not see (e.g. by searching for property zones) that the
entire buffer gets fontified by `font-lock-fontify-buffer', but you say it
does/should.
Re: command to fontify whole buffer?, Stefan Monnier, 2011/09/23