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bug#26564: Document that only functions and not variables can end with "


From: Kaushal Modi
Subject: bug#26564: Document that only functions and not variables can end with "-p"
Date: Wed, 19 Apr 2017 16:22:39 +0000

On Wed, Apr 19, 2017 at 12:08 PM Eli Zaretskii <address@hidden> wrote:
> What would be the correct section to do so?

"Coding Conventions", of course.

Please review this patch:

From 9749603b7c3ba45c9c81f9624d6dc42f740aee39 Mon Sep 17 00:00:00 2001
From: Kaushal Modi <address@hidden>
Date: Wed, 19 Apr 2017 12:20:05 -0400
Subject: [PATCH] Document convention to reserve "p" or "-p" suffix for
 predicate fns

* doc/lispref/tips.texi (Coding Conventions): The "p" or "-p" suffix
  should be used for only predicate functions, and not
  variables.  (Bug#26564)
---
 doc/lispref/tips.texi | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/doc/lispref/tips.texi b/doc/lispref/tips.texi
index 4e2a0fad1f..ec76fcb5ce 100644
--- a/doc/lispref/tips.texi
+++ b/doc/lispref/tips.texi
@@ -154,7 +154,9 @@ Coding Conventions
 condition is true or false, give the function a name that ends in
address@hidden (which stands for ``predicate'').  If the name is one word,
 add just @samp{p}; if the name is multiple words, add @samp{-p}.
-Examples are @code{framep} and @code{frame-live-p}.
+Examples are @code{framep} and @code{frame-live-p}.  This predicate
+suffix should not be used in variable names (i.e., you might name a
+variable @code{foo-feature} instead of @code{foo-feature-p}).
 
address@hidden
 If the purpose of a variable is to store a single function, give it a
-- 
2.11.0

 
--

Kaushal Modi


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