gwaldron/osgearth — pull request #258 by aurelien35 (2012-10-17 12:02:00+00:00)
Title: Fixed variables names extraction from numeric expression in case the variable name use operand characters

The numeric expression is now parsed in two pass :

- first pass to extract variables names, with "[" and "]" tokens
- second pass to extract operands, with previously used token (except "[" and "]")