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Bug #6759

open

Equivalence classes do NOT work at all

Added by Geo Delles about 5 years ago. Updated almost 5 years ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
-
Target version:
-
Start date:
2016-03-19
Due date:
% Done:

0%

Estimated time:
Difficulty:
Medium
Tags:
needs-triage

Description

  1. echo á | grep '[[=a=]]'
  2. echo ô | grep '[[=o=]]' #

On Linux to compare:

  1. echo á | grep '[[=a=]]'
    á
  2. echo ô | grep '[[=o=]]'
    ô #

See the IEEE Std:

«9.3.5 RE Bracket Expression
...It consists of one or more expressions: collating elements, collating symbols, equivalence classes...»

http://pubs.opengroup.org/onlinepubs/009696899/basedefs/xbd_chap09.html

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