Nat Goodspeed fd14c250b8 CHOP-962: Preserve unrecognized user settings variables. ... Change LLControlVariable::mPersist from bool to tri-state enum. Its 'true' value used to mean "persist only if changed from default;" third state now means "persist regardless of value." Add forcePersist() method to set that. Replace isSaveValueDefault() method -- used only by logic to determine whether to save the variable -- with shouldSave() method to encapsulate ALL that logic rather than only part of it. shouldSave() recognizes PERSIST_ALWAYS state. When loading an unrecognized control variable from a user settings file, use forcePersist() to ensure that we later save that variable again. Tweak one of the unit tests to adjust for new semantics.		2013-07-17 11:30:09 -04:00
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llcontrol_test.cpp	CHOP-962: Preserve unrecognized user settings variables.	2013-07-17 11:30:09 -04:00