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Re: elementary: how to display a ' in a docstring
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From: |
Paul Eggert |
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Subject: |
Re: elementary: how to display a ' in a docstring |
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Date: |
Sat, 7 May 2016 13:52:37 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.2 |
Uwe Brauer wrote:
> Are you saying that the setting
>
> (setq vc-hg-symbolic-revision-styles '("{rev}"))
>
> Is incorrect?
No, because that setq form is a Lisp expression, and in Lisp the expression 'V
yields the value V, which means that the form sets the variable
vc-hg-symbolic-revision-styles to the value ("{rev}").
Quoting works for any value in Lisp code. Although there are common special
cases (e.g., integers) where the single-quote is not needed, in Lisp a
single-quote is the easiest way to quote an arbitrary value.