Re: [groff] mark/lineup in eqn

2018-05-02 Thread Doug McIlroy
Ingo, Interestingly your comment is the first I have received that is not of the form "you can jigger this or that to get the desired effect". And indeed I had over the years used every one of those tricks plus one more: assemble the parts with tbl rather than with an eqn matrix. I thought all o

Re: [groff] mark/lineup in eqn

2018-05-02 Thread Ingo Schwarze
Hi Doug, Doug McIlroy wrote on Tue, May 01, 2018 at 11:40:50PM -0400: > Ingo suggested a way to write two equations aligned > on equals signs, to look rather like this >shortid = expression1 > longidentifier = expression2 > > Here's the code > .EQ > set column_sep 35 > matrix { >

Re: [groff] mark/lineup in eqn

2018-05-02 Thread Doug McIlroy
Indeed, you can tweak things pretty closely (but not exactly) with , but it fails to express logical intent. Thus it is brittle. If you want to change anything left of the = sign, you have to do more twiddling (pun intended) to restore the alignnment. Ditto if you change the document font.

Re: [groff] mark/lineup in eqn

2018-05-02 Thread Ted Harding
See in-line at [] On Wed, 2018-05-02 at 14:49 +1000, Damian McGuckin wrote: > On Wed, 2 May 2018, Doug McIlroy wrote: > > > I agree it lines things up right horizontally. What I complained > > about is that (at least in -ms) a separate EQ-EN pair for each > > line introduces extra vertical sp