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 <egg...@cs.ucla.edu>
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
