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From: "M. Nejat AYDIN" <mnaydin@yahoo.com>
Newsgroups: gnu.bash.bug
Subject: Re: Assignment-like word shouldn't be subjected to tilde expansion in POSIX mode
Date: Tue, 21 Jul 2020 10:55:06 +0300
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On 7/19/20 1:04 AM, Chet Ramey wrote:
> On 7/18/20 1:38 AM, Oğuz wrote:
>> See:
>>
>>      $ set +k -o posix
>>      $ echo foo=~:~
>>      foo=~:/home/oguz
>>
>> If I'm not misreading the standard `foo=~:~' should be printed
>> verbatim, all shells I have except bash does so.
> 
> Thanks for the report. This one has been around since bash-3.1.

Also, shouldn't the tilde be expanded following
     $ echo ~:
? The colon terminates tilde-prefix in an assignment, but there is no
assignment involved here.