cketti created JAMES-3753:
-----------------------------
Summary: Bug in FlowedMessageUtils.deflow() can lead to quote
characters being stripped
Key: JAMES-3753
URL: https://issues.apache.org/jira/browse/JAMES-3753
Project: James Server
Issue Type: Bug
Reporter: cketti
When a quoted line ends with a space and is followed by an empty line (quote
depth 0), the text isn't decoded properly.
Example (the text "Quoted" is followed by a space, indicating a flowed line):
{noformat}
> Quoted
Text
{noformat}
will be deflowed to
{noformat}
Quoted
Text
{noformat}
[RFC 3676|https://datatracker.ietf.org/doc/html/rfc3676] specifically mentions
this case:
{quote}A generating agent MUST NOT create this situation; a receiving agent
SHOULD handle it by giving preference to the quote depth.
{quote}
However, an email containing such data was encountered in the wild. See
[https://github.com/k9mail/k-9/issues/6029].
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