SP and HTAB are allowed after a = before the following CRLF.
RFC 2045 section 6.7 describes the ABNF for the quoted-printable encoding:
qp-line := *(qp-segment transport-padding CRLF)
qp-part transport-padding
qp-segment := qp-section *(SPACE / TAB) "="
transport-padding := *LWSP-char
; Composers MUST NOT generate
; non-zero length transport
; padding, but receivers MUST
; be able to handle padding
; added by message transports.
RFC 822 defines LWSP-char as:
LWSP-char = SPACE / HTAB
Dovecot's imaptest contains such a message in
src/tests/fetch-binary-mime-qp.mbox.
Fixes #70952
Change-Id: Ie05921088d7e4d6c92c4bf79b0f4a13586230753
GitHub-Last-Rev:
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| LICENSE | ||
| PATENTS | ||
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