Implementing \intertext and \shortintertext

[Koji Yokota]

Dear All,

I’m not sure if this is the good timing to propose, but I’d like to introduce a support for \intertext and \shortintertext commands in an appropriate LyX version. I have a patch for it as attached to this mail which is also available on a git branch at features/intertext, and I’d like to hear how I should treat this.

\intertext and \shortintertext commands insert a comment between multiple equation rows without interrupting horizontal alignment of equations, typically useful for textbooks or handouts.

The patch comes with a shortcoming that the screen representation of the comment text does not spread over LHS and RHS of equations as printed version will do but treated as an object within a column.

A potential fix would have been to mimic \lefteqn giving a fixed width to the box but it prevents horizontal scroll when the text becomes very long. So the patch took the latter from the conflict between over-columns spread and horizontal scroll.

Koji

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