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bug#21072: Brave new mark-defun (and a testing tool)

From: Marcin Borkowski
Subject: bug#21072: Brave new mark-defun (and a testing tool)
Date: Sun, 30 Apr 2017 17:19:16 +0200
User-agent: mu4e 0.9.19; emacs 26.0.50

On 2017-04-27, at 23:48, Noam Postavsky <address@hidden> wrote:

> PS I noticed some problems with elisp-tests-with-temp-buffer while
> looking at this, I pushed a fix to fix/bug-21072 [1: 04741f0].
> 1: 2017-04-27 17:38:09 -0400 04741f02cca95147581e05cb49b54e6dbf8bed56
>   Fix elisp-tests-with-temp-buffer compilation

I started looking at this, and I have a few questions.

1. What is the difference between (debug t) and (debug form body)?  From
my understanding of the manual, there seems to be none.

2. I still don't fully get the `eval-and-compile' stuff.  What exactly
happens when the file is compiled?  I understand that its forms are not
evaluated.  But are the _defmacro_ forms evaluated during compilation?
If not, what happens when the compiler compiles a function containing
a macro invocation?

3. Do I get it correctly that the purpose of the `ignore' calls is to
silence the compiler warnings about `let'ting a variable which is then
not used in the body of `let'?

That's it for now.  Sorry if my questions are elementary - I'm still
struggling with this compilation stuff...


Marcin Borkowski

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