Broken linefeed handling in plain text emails
|Priority:||Should have||Due date:|
|Assignee:||Stanislas Rolland||% Done:||
HTML tags are stripped before replacement of br tags with LF. Therefore, some linefeeds are missing in the plain text.
locallang file may contain \n characters combination which are rendered as-is in both HTML and plain text emails.
locallang file may contain non-closed br tags which are not replaced with LF.
Multiple LF's in excess of 2 should be replaced by two LF.