Claudio Fiandrino submitted an update to the
hf-tikz
package.
Summary description: A simple way to highlight formulas and formula parts. License type: lppl
Announcement text: ----------------------------------------------------------------------
The new version has a key-interface to customize shift-offsets and colors and there is a new option to access to the positions of the rectangle delimiting the highlighted area.
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This package is located at http://mirror.ctan.org/graphics/pgf/contrib/hf-tikz . More information is at http://www.ctan.org/pkg/hf-tikz (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 .
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Thanks for the upload.
For the CTAN Team Rainer Schöpf