Re: Beyond release

["Andreas Röhler" <andreas.roehler@online.de>]

On 27.06.2016 18:10, Dmitry Gutov wrote:
> On 06/27/2016 06:52 PM, Clément Pit--Claudel wrote:
>
>>> The
>>> introduction of circular dependencies WRT syntax-ppss probably
>>> deserves being mentioned in this context. Propertize functions are
>>> encouraged to call syntax-ppss while syntax-ppss itself propertizes.
>>
>> Interesting. I don't know about these things, but I never saw them 
>> them mentioned (especially the last ones) outside of emacs-devel.
>
> Until someone presents concrete evidence, this is just FUD. You can 
> pay it no attention.
>

syntax-propertize-function:

" ...
The specified function may call ‘syntax-ppss’ on any position
before END, but it should not call ‘syntax-ppss-flush-cache’,
which means that it should not call ‘syntax-ppss’ on some
position and later modify the buffer on some earlier position."

Source of

(defun syntax-ppss (&optional pos)
   " [ ... ]"
   ;; Default values.
   (unless pos (setq pos (point)))
   (syntax-propertize pos)
   ...