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* Change many uses of for+iterator to use Boost.Foreach.John Wiegley2008-07-311-4/+2
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* Revised the way that exceptions are thrown around. Instead of context being aJohn Wiegley2008-07-311-2/+4
| | | | | | | complicated string of pointers, it's now just a global block of text that gets appended to as the error is being thrown up, and can be displayed at the catch point if desired. There are almost no cases where a thrown exception will not result in an error message being displayed to the user.
* The next value expression scheme is working, but the individual accessorJohn Wiegley2008-07-291-5/+46
| | | | functions for each of the journal objects has yet to be ported.
* Moved around and renamed a very large amount of code in order to rationalizeJohn Wiegley2008-07-291-0/+140
the way that value expressions extract information from journal objects.