Put back an assertion after fixing bug 2321815.
Split an assertion in two to help diagnose bug 2906538.
M drjava/src/edu/rice/cs/drjava/model/DocumentRegion.java M drjava/src/edu/rice/cs/drjava/model/FindReplaceMachine.java
Authored by: mgricken 2010-08-10
Parent: [r5353]
Child: [r5355]