Re: [Groff] explicit and implicit spacing in eqn

2016-04-17 Thread Ralph Corderoy
Hi Ted, > What I observe (which agrees with you) is: > > $A=B$ > --> "A = B" > $A=-B$ > --> "A = -B$" > $A = - B$ > --> "A = -B" > $A~=~-B$ > --> "A = - B" Some more samples that I've been playing with. Perhaps they'll help; I'm out of time for now. $ for

Re: [Groff] explicit and implicit spacing in eqn

2016-04-17 Thread Ted Harding
On 17-Apr-2016 16:30:53 Doug McIlroy wrote: > I may have made this comment before. My apologies if > it's already on someone's to-do list. > > Groff eqn, unlike the original Unix program, attempts to > vary spacing according to mathematical custom. Thus it > automatically adds apace around the equ

[Groff] explicit and implicit spacing in eqn

2016-04-17 Thread Doug McIlroy
I may have made this comment before. My apologies if it's already on someone's to-do list. Groff eqn, unlike the original Unix program, attempts to vary spacing according to mathematical custom. Thus it automatically adds apace around the equal sign in a=b while in the old days one had to