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+name savesym
+category Package
+shortdesc Redefine symbols where names conflict.
+longdesc There are a number of symbols (e.g., \Square) that are defined by
+longdesc multiple packages. In order to typeset all the variants in a
+longdesc document, we have to give the glyph a unique name. To do that, we
+longdesc define \savesymbol{XXX}, which renames a symbol from \XXX to
+longdesc \origXXX, and \restoresymbols{yyy}{XXX}, which renames \origXXX
+longdesc back to \XXX and defines a new command, \yyyXXX, which corresponds
+longdesc to the most recently loaded version of \XXX. [description copied
+longdesc from TeX Catalogue]