* More ideas are taken from:
* http://www.ics.uci.edu/~eppstein/161/960229.html
*
- * Some ideas are (and a bit of code) are from from analyze.c, from GNU
+ * Some ideas (and a bit of code) are from analyze.c, from GNU
* diffutils-2.7, which can be found at:
* ftp://gnudist.gnu.org/pub/gnu/diffutils/diffutils-2.7.tar.gz
*