One more from Paul Ebermann that I somehow contrived to overlook yesterday has been installed at tug.ctan.org and should soon be at your favorite mirror.
Jim Hefferon St Michael's College
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The following information was provided by the package's contributor.
Name of contribution: noitcrul Author's name: Paul Ebermann Location on CTAN: /macros/latex/contrib/noitcrul Summary description: noitcrul - underline without italics correction (in math) License type: lppl
Announcement text given by the package's contributor: ---------------------------------------------------------------------- The LaTeX package 'noitcrul' provides an underline-variant without italics correction at the end, for math.
This sometimes gives better-looking formulas. ----------------------------------------------------------------------
See this package at http://tug.ctan.org/tex-archive/macros/latex/contrib/noitcrul . You may get a better network connection by using a CTAN mirror near to you; see http://tug.ctan.org/tex-archive/README.mirrors . Our service is supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html .