[GiNaC-list] Example Input Program Hanging Up

[Richard B. Kreckel]

On 01/27/2014 11:19 AM, Casey Conger wrote:
> Caseys-MacBook-Air:ginac casey$ ./ginacPlay.out 
> Enter an expression containing ’x’: x
> ^C
> …It just hangs there for several minutes.

Well, it hangs there until you tell it that the end of input has been
reached!

Clarified the tutorial:
<http://www.ginac.de/ginac.git?h=6304288112f2418a2f0a14076363646ec3ce2fa3>

  -richy.