Re: let*: Wrong type argument: stringp, nil

[Emanuel Berg]

Hongyi Zhao wrote:

>> Eval this
>>
>>   (cd "..")
>>
>> enough times and it alternates between "/" and "/../"
>> indefinitely, maybe that's what happens?
>>
>> (But I don't know why, or what it tries to say with "/../"
>> which should be equivalent to "/" ... in the shell, cd from /
>> does not lead to /../ but will stay in /)
>
> They are really equivalent:
>
> werner@X10DAi-00:/$ realpath -e /../
> /
> werner@X10DAi-00:/$ realpath -e /
> /

Yeah, looks like a bug this. Harmless and technically not
incorrect perhaps but suboptimal/confusing, especially the
alternating back and forth.

(cd "..") at / should be a no-op that returns "/" IMO.

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