This package has been put in at tug.ctan.org and should in the next day make its way to your local mirror.
Thanks again Jim Hefferon Saint Michael's College
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The following information was provided by our fellow contributor:
Name of contribution: pst-vowel Author's name: Alan Munn Location on CTAN: /macros/latex/contrib/pst-vowel Summary description: Add arrows for diphthongs to vowel charts created using vowel.sty. License type: lppl
Announcement text: ---------------------------------------------------------------------- This package insert nodes for use with pstricks so that arrows can be drawn to show diphthongs on vowel charts created with vowel.sty.
For cardinal vowels, the change is minimal, since predefined node labels are used. For non-cardinal vowels vowels, an extra node argument must be provided. ----------------------------------------------------------------------
This package is located at http://tug.ctan.org/tex-archive/macros/latex/contrib/pst-vowel . More information is at http://tug.ctan.org/pkg/pst-vowel (if the package is new it may take a day for that information to appear). We are supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html .