On Fri, 13 Jul 2012 Vafa Khalighi submitted the
showcharinbox
package.
Summary description: Show characters inside a box License type: lppl
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This package typesets a character inside a box, showing where reference point is. It also displays width, height, and depth information of the character. This produces the output like the one in page 63 of The TeXBook or page 101 of The METAFONTbook. The package is motivated by Knuth macros in file manmac.tex.
Please note that using this package means that you should put a character in large size inside a box and putting small size of a character inside the box does not make any sense.
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This package is located at http://mirror.ctan.org/macros/latex/contrib/showcharinbox . More information is at http://www.ctan.org/pkg/showcharinbox (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