Hi Rowan, > > (while (= ";" (last (last L))) > > (char) # Skip TAB > > (conc L (trim (split (line) " "))) ) > > which only folds the next line of a multiline header if the existing > line ends with ";" and then chomps a single leading char, yet as far > as I understand it, RFC822 supports [A] folding based on (single or > multiple) leading TABs or spaces, [B] even if the preceding line > doesn't end with a ";" : > ... > gmail/google-apps users I noticed they often have a mix of > multiline-header-continuations with leading SPACEs (multiple) and some > with leading TABs, and several are just folded on space without the > trailing ";" so it seems this isn't a theoretical edge-case...
Indeed! This looks like a possible source of the problems. > Obviously chomping only one of multiple leading spaces/tabs probably > doesn't matter (other than for readability of mail-source), but only > matching the fold on a trailing ";" certainly does. I suspect that is True. I'm rather confused now about what would be the right way to handle this. ♪♫ Alex -- UNSUBSCRIBE: mailto:picolisp@software-lab.de?subject=Unsubscribe
