Package: extarrows (extensible arrows) Version: * 1.0b (2008/05/15) Thanks to Herbert Voss * 1.0a (2004/11/05) Author: kyanh License: LGPL This package provides some extensible arrows in maths. mode (more than \xleftarrow, \xrightarrow, ...) \xlongequal \xLongleftarrow \xLongrightarrow \xLongleftrightarrow \xLeftrightarrow \xlongleftrightarrow \xleftrightarrow \xlongleftarrow \xlongrightarrow Examples: extarrows-test.tex (source) extarrows-test.pdf (demonstration) -- Huynh Ky Anh Vietnamese TeX Users Group http://kyanh.net/ http://viettug.org/