jsxgraph/jsxgraph — pull request #110 by benbro (2014-09-25 04:01:49+00:00)
Title: Search for expression if element is not found in ggb reader

This fixes part of https://github.com/jsxgraph/jsxgraph/issues/99
The relevant xml:
``` xml

```
When the reader parses the Vector v command, it searches for element with a label "A + b".
This PR also searches for an element which has an expression "A + b".