BBOLDX---an extension of BBOLD BBOLD, an original work by Alan Jeffery in 1994, was the property of Y&Y. Upon the dissolution of Y&Y, the package was gifted in 2007 to TUG. The files are Copyright 2007 TeX Users Group, with license: "You may freely use, modify and/or distribute this file." BBOLDX extends the original to a set of three weights with the original, whose weight was a good match to Computer Modern with stem of width 40 em units, now identified as the light member, with regular and bold having stem-widths of 56 em units and 90 em units respectively. The extension is Copyright (c) Michael Sharpe 2021 and the license continues to be as before. Current version 1.032 2022-12-31 Changes in version 1.032 Corrected the map file so that bboldx.enc was properly referenced. Changes in version 1.031 Corrected some errors in the sty file so that \mathbb and \mathbfbb are now handled correctly in the default case. Changes in version 1.03 1. New options, including one to force handling as a Symbol Font rather than as a Math Alphabet. 2. Expanded support macros particular to usage as a Symbol Font or a Math Alphabet. 3. Expanded documentation. Changes in version 1.01 bboldx.sty was modified so that the macro names followed the style of unicode names. msharpe at math dot ucsd dot edu