--On Tuesday, December 3, 2019 17:34 +0100 Carsten Bormann <cabo@xxxxxxx> wrote: > On Dec 3, 2019, at 17:27, John C Klensin <john-ietf@xxxxxxx> > wrote: >> >> Helpful but, if we are concerned about what the final output >> looks like, wouldn't it be easier to have authors just convert >> HT to the widths they prefer and to modify the nits checker to >> notice their presence? And for the RFC Editor to be sure that >> none of them make it into final output? > > Yes. > > It seems to me Julian's code was simply providing the error > message in the form of a red U+2409 «␉», so you can locate > the HT if you don't have an appropriate editor program. Clearly useful too. best, john