[3.15] gh-143921: Narrow the control character check in imaplib commands (GH-153067)#153135
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serhiy-storchaka merged 1 commit intoJul 5, 2026
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…ds (pythonGH-153067) Only NUL, CR and LF are rejected now. Other control characters are valid in quoted strings and can occur in mailbox names returned by the server, so they are now accepted and sent quoted. (cherry picked from commit d0921ef) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com> Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
This was referenced Jul 5, 2026
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Only NUL, CR and LF are rejected now. Other control characters are
valid in quoted strings and can occur in mailbox names returned by
the server, so they are now accepted and sent quoted.
(cherry picked from commit d0921ef)
Co-authored-by: Serhiy Storchaka storchaka@gmail.com
Co-authored-by: Claude Fable 5 noreply@anthropic.com