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* Re-implemented ?: parsing in value expressions. "a ? b : c" is implemented byJohn Wiegley2008-08-011-1/+4
| | | | | translating it into the equivalent syntax tree "(a & b) | c", since this expression evaluates to the value of b if a is true, otherwise c.
* Value expression architecture is now rewritten, but the functionality of theJohn Wiegley2008-07-291-0/+119
old system (for example, the meaning of 'a') has yet to be restored. In the new scheme, this will be done by definition a function outside of the value expression logic, rather than the tight coupling between journal innards and value expressions that occurred in 2.x.