I'm just gonna blurt out that I can't follow a word of this without a visual. =(
On 2 May 2018 at 07:34, Doug McIlroy <d...@cs.dartmouth.edu> wrote: > Sorry that my previous post was truncated. Here's what > I meant to say: > > Fellow groffers, what do you think of generalizing the application > of "mark" and "lineup" in eqn to work in columns and piles as > well as in separately displayed equations. > > A typical use of mark and lineup is to align = signs in > a sequence of equations. If the = signs signify steps of a > derivation, the equations should obviously be connected, > as in a pile. Displaying them separately, each with its > own EQ-EN, spreads them out vertically. One can play > with number registers (e.g. PD and DD in -ms) to try > to get the pile-like resultts, but it would much cleaner > if that could happen for free. > > There is even a situation that EQ-EN can't handle, but > piles could: > .EQ L > xhortid mark = expression1 > .EN > .EQ > longidentifier lineup = expression2 > .EN > The marked place doesn't leave room for the subsequent > lineup. Piles, being typeset as a whole, would be > immune to this trouble. > > Doug > >
