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Re: 27.0.50, (void-function with-buffer-prepared-for-jit-lock)

From: Andreas Röhler
Subject: Re: 27.0.50, (void-function with-buffer-prepared-for-jit-lock)
Date: Sat, 30 Jun 2018 12:54:43 +0200
User-agent: Mozilla/5.0 (X11; Linux i686; rv:52.0) Gecko/20100101 Thunderbird/52.8.0

On 30.06.2018 01:14, Stefan Monnier wrote:
when running an uncompiled Emacs --which is preferred for jumping into maybe
changed sources-- got

There's no such thing as "an uncompiled Emacs".

Okay. Should mean didn't compile elisp .el files into .elc

 All it means is that
you did something to use some uncompiled code somewhere, but without
clarifying what it is you did.

Error during redisplay: (jit-lock-function 1245) signaled (void-function

So, apparently what you did was not right:

Well, the question is if a general used function should depend from


Maybe there are reasons, don't know.
Being able to run elisp code without compiling its .el sources is a gain to consider.

Might be also a design issue of eval-when-compile, saying:

"In interpreted code, this is entirely equivalent to
‘progn’, except that the value of the expression may be (but is
not necessarily) computed at load time if eager macro expansion
is enabled."

Such "may be (but is not necessarily)" doesn't sound that well.


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