Hi Bento, Peter, and Kurt! At 2021-02-05T17:31:45-0500, Peter Schaffter wrote: > On Fri, Feb 05, 2021, Bento Borges Schirmer wrote: > > I'm having great joy composing little documents for some homework > > and assignments using groff and the mom package. Yesterday I > > wanted to learn how to make tables so I read through mom's > > excellent documentation and reproduced all tables except the last > > one from L. L. Cherry and M. E. Lesk's Tbl --A Program to Format > > Tables, when I encountered a problem where the lines wouldn't > > wrap:
This is an excellent thing to do! On my mental to-do list is construction of a similar set, unencumbered by Alcatel-Lucent's copyright, that we can use in the groff tree as both an example suite and a regression test of our tbl(1) implementation. > Tbl appears to require that adjusting be turned off in order to > process text blocks correctly, which mom is not presently doing. If > you precede calls to '.TS' with '.na', and follow calls to '.TE' with > '.ad', tables process as expected. Yes. Last month I argued to Bjarni that "text blocks" in tbl tables are thus named because they are to be rendered as the remainder of the "text"[1]. The issue came up on on the Linux man-pages list[2] as well. I updated our tbl(1) man page to try to make this issue more clear[3]. At 2021-02-06T16:52:56-0500, T. Kurt Bond wrote: > And I'd like to point out that this problem is *not* something > specific to mom - it happens with all the macro packages for troff. I > recently mentioned > <https://groups.google.com/g/pandoc-discuss/c/m9O-uJ6rT1M/m/v4fLh5jcCAAJ> > this problem in regard to the -ms output that pandoc produces on > pandoc-discuss <https://groups.google.com/g/pandoc-discuss?pli=1>, > providing a lua filter that fixed the problem by wrapping the pandoc > output in .na/.ad pairs, and as a result they changed the default to > include the .na/.ad pairs. Yes. I would only add that man page writers should not use this technique. Instead, they should switch off adjustment _within_ individual text blocks as needed by using the ".na" request. Regards, Branden [1] ...after applying whatever changes the column specifier would make; e.g. "b" to switch to bold style. https://lists.gnu.org/archive/html/groff/2021-01/msg00072.html [2] https://marc.info/?l=linux-man&m=161186754606738&w=2 https://marc.info/?l=linux-man&m=161194989004245&w=2 [3] https://git.savannah.gnu.org/cgit/groff.git/commit/?id=550ab5338e04e54539214997315f451c89ac25e6
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