[OS X TeX] Linguists' trees and pdf

[Stephen Anderson]

I use Emma Pease's wonderful tree-dvips package to draw trees and 
similar diagrams in linguistics books and papers.  This emits raw 
PostScript specials, which can be used to draw lines among the nodes of 
a tree and also dotted, or curvy, or whatever lines with or without 
arrows at the ends to indicate movement and the like.

Unfortunately, the PostScript-dependent nature of this package makes it 
incompatible with pdf based packages.  I suspect I am not the only 
linguist to be frustrated at the difficulty of combining Emma's trees 
with XeTeX, for instance, though I may have just misunderstood 
something basic.

So: does anyone know of a pdf equivalent to tree-dvips? (Note that even 
if things like qtree were better at drawing trees than they are, they 
would still require tree-dvips to add annotations like movement arrows, 
at least at present.)
-- 
Steve Anderson

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