2
votes
1answer
69 views

Is it possible to add some vertical space like ~~~?

I sometimes uses ~ to adjust space between symbols. Now I want to add some vertical space which play similar role, how do I do that? (It's not about controlling space between lines, but just add some ...
2
votes
1answer
91 views

too much spacing in xymatrix

I am using xypic package and I wrote the following xymatrix \[ \xymatrix{ x \ar@(ur,dr)[]|{a} \\ | \\ y \ar@(ur,dr)[]|{b}\\ | \\ z ...
3
votes
1answer
288 views

How do I get the spacing in the redefined label box right?

I use the following code to make xy-pic arrow labels multiline capable: \let\oldlabelbox=\labelbox \def\newlabelbox#1{% \oldlabelbox{\vcenter{\normalbaselines% ...