Yes, I am talking about -H headers: one line per message. E.g., for a remote mailbox with a thousands of mails in it, if I just want to see what the last 20, or first 20 messages' headers are, with the minimum of data passing over the wire.
>>>>> "SP" == Sergey Poznyakoff <g...@gnu.org.ua> writes: SP> These are not message headers in the sense of RFC2822 et al. 'Headers' SP> means the mail summary output: one line per message, containing message SP> number, date, size, sender and first bytes of the subject. That by SP> no means implies "thousands of headers over IMAP" (but it depends on SP> the number of messages in the mailbox, of course). Yes, best would be just 20 lines of data passing over the wire. But OK, each message needs 5 lines of header to make the one line we see on our screens with -H. So OK, 20 * 5 = 100 lines passing over the wire. SP> That being said, having a way to limit the number of lines in the -H SP> output might sometimes be useful. Thanks for the hint. SP> Regards, SP> Sergey