Re: [elpa] master 19862ff: Use font-lock-fontify-region instead of jit-lock-fontify-now

[Teemu Likonen]

Stefan Monnier [2016-01-30 19:45:23-05] wrote:

>> -            (jit-lock-fontify-now (min beg end) (max beg end))))
>> +            (font-lock-fontify-region (min beg end) (max beg end))))
>  
> Maybe even better would be to use font-lock-ensure (when available)?

It's unclear to me what's the difference between font-lock-ensure and
font-lock-fontify-region. It seems that font-lock-ensure is relatively
new, introduced in 24.4, so maybe not quite yet depend on it on an ELPA
package.

Are there established practices for writing a compatibility code in
situations like this? Perhaps calling a custom function
wcheck--fontify-region and having code like below?

    (eval-when-compile
      (if (fboundp 'font-lock-ensure)
          (defalias 'wcheck--fontify-region 'font-lock-ensure)
        (defun wcheck--fontify-region (beg end)
          (font-lock-fontify-region beg end))))

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