Answer by Ryan Reich for What’s behind \over?
It occurs to me that there is one other TeX primitive that can do this: \lastbox. It doesn't work quite the same; it just grabs the last box produced, if the last thing produced was indeed a box (and...
View ArticleAnswer by David Carlisle for What’s behind \over?
It's a TeX primitive so no you can't define commands like it. It's also a pain in the neck and the cause of many of the problems in math mode, as it means that you can not be sure when you first...
View ArticleWhat’s behind \over?
Typically a TeX command have arguments coming after it. But the command \over, which is used to produce fractions, can access the token before it. How exactly is it implemented and can I define a...
View Article
More Pages to Explore .....
