Douglas McIlroy <douglas.mcil...@dartmouth.edu> wrote: > https://froude.eu/groff/examples/reflow.html is a very cleanly written and > interesting demo. The following comments might perfect it even further. > > It would be helpful to remark that .YY is a dumping ground, never to be > used. > > Point out that EB need not be defined. It carries the .tm for the demo, but > is irrelevant to the underlying purpose. Nevertheless, it's useful to > illustrate that the macro-end indicator will be expanded if it's defined. > (But see below.)
I added both of your explanations to the page, I hope that it's as clear as you are. > At first glance I read "Text before" and "Text after" as headings for > paragraphs that show how the processed text would look before and after > expansion to 2cm height. A change to "Preceding text" and "Following text" > would avert this mistake. Indeed, done. > ----------------------------------------------------------------- > > A small anomaly. Consider > > .de . > .tm Hi > ,.. > .. > > The second .. emits "Hi". This fragment also emits "Hi": > > .de end end > .tm Hi > .end > > But this (with macro . not previously defined) > does not: > > .de . . > .tm Hi > .. This is very interesting! I did not add it to the page though. I don't think it would be very helpful in this particular example of reflowing text to know that there are anomalies in end macros. > Doug Regards, Thomas
