*/
/*
- * GiNaC Copyright (C) 1999-2015 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2019 Johannes Gutenberg University Mainz, Germany
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* their hash values. If the hash values are unpredictable, then so are
* the canonical orderings. If the canonical orderings are unpredictable,
* all subsequent times are subject to some variation. This variation,
- * however is natural and desireable for two reasons: First, we cannot know
+ * however is natural and desirable for two reasons: First, we cannot know
* how many symbols have been generated before in real world computations.
* Second, the following timings are subject to some semi-random variation
* anyways because short timings need to be repeated until enough time has