- l3keys2e, which makes the facilities of the kernel module l3keys available for use by LaTeX 2e packages;
- xfrac, which provides flexible split-level fractions;
- xparse, which provides a high-level interface for declaring document commands; and
- xtemplate, which provides a means of defining generic functions using a key-value syntax.
The author is The LaTeX Team. The package is Copyright © 1998-2011,2015-2017 The LaTeX project.
License: lppl1.3c Version dated: 2017-11-14 Catalogued: 2017-11-14