Steven B. Segletes submitted the
scalerel
package to CTAN.
Summary description: Routines for constrained scaling and stretching of objects, relative to a reference object or in absolute terms License type: lppl
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The scalerel package provides four commands for vertically scaling and stretching objects. Several features make this package unique. Primarily is the ability to scale/stretch and shift one object to conform to the size of a specified second object. This feature can be useful in both equations and schematic diagrams. Additionally, the scaling and stretching commands offer constraints on maximum width and/or minimum aspect ratio, which are often used to preserve legibility or for general appearance sake.
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This package is located at http://mirror.ctan.org/macros/latex/contrib/scalerel . More information is at http://www.ctan.org/pkg/scalerel (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