GuangchuangYu/CxxPrimerPlus — pull request #1 by Hysler (2013-08-06 11:41:32+00:00)
Title: Patch 1

I added a small line of code that excludes any digits from being displayed in the output (it is one of the requirements for the exercise) and added a few comments showing a more concise way to write the "if" statements using the cctype library.