Subject: Re: bug#33291: "blank" character class not documented

From: Paul Eggert <[email-masked]>
Date: Wed, 1 Jan 2020 20:02:49 -0800

On 11/6/18 8:40 AM, Steven Penny wrote:

> GNU Grep supports the "[:blank:]" class as well - but is not documented:
> 
> http://git.savannah.gnu.org/cgit/grep.git/tree/doc/grep.in.1?id=30e666c#n796

Thanks for reporting this mismatch between the main documentation and the man page. I installed the attached patch to fix it.
>From 3ab01fbbb0465d78e9eb9d11a5325354f24ab9bb Mon Sep 17 00:00:00 2001
From: Paul Eggert <[email-masked]>
Date: Wed, 1 Jan 2020 19:58:03 -0800
Subject: [PATCH] doc: add [:blank:] to man page

* doc/grep.in.1: Mention [:blank:] (Bug#33291).
---
 doc/grep.in.1 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/doc/grep.in.1 b/doc/grep.in.1
index 48c49ef..4ced95f 100644
--- a/doc/grep.in.1
+++ b/doc/grep.in.1
@@ -810,6 +810,7 @@ bracket expressions, as follows.
 Their names are self explanatory, and they are
 .BR [:alnum:] ,
 .BR [:alpha:] ,
+.BR [:blank:] ,
 .BR [:cntrl:] ,
 .BR [:digit:] ,
 .BR [:graph:] ,
-- 
2.17.1