imap ---- LIST "" * The returned mailbox does not display quotes

[lty]

Yes,
Foxmail for mac client, after dovecot upgrade from 2.1.17 to new
version, imap can't receive any email, I perform packet capture test,
foxmail will not have next step after sending {LIST "" *} command
action. 

Foxmail for mac client, dovecot version 2.1.17 can receive imap mail
normally, because we need to add quota_max_mail_size configuration, we
must upgrade to a higher version
(https://wiki2.dovecot.org/Quota/Configuration# Maximum_saved_mail_size)


After comparison, the new version of dovecot returned without quotes.
I hope that the quotes can be changed in the configuration, can I?
Can I change the configuration to add quotes now?
 Or add this setting in the next version. 

> On 21 Mar 2019, at 6.22, lty via dovecot <dovecot at dovecot.org> wrote:
> 
>> dovecot version 
>> 
>> v2.2.29 
>> 
>> v2.2.36 
>> 
>> v2.3.5 
>> 
>> LIST "" * The returned mailbox does not display quotes 
>> v2.1.17 
>> 
>> LIST "" * The returned mailbox shows quotation marks 
>> 
>> Why is the quotation mark removed in the new version?
> 
> Because they were unnecessary. The code was changed to use more generic IMAP token writer, which adds quotes only as necessary. 
> 
>> Is there any configuration option in the new version to add quotes?
> 
> No. Does it break some client?
 
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