In the new CafeTran build, setting resource priorities is a piece of cake.
In your TMX memory settings, just click the priority level of your choice.
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Glossaries always overrule TMs, but it is now possible to set the priority of multiple glossaries in relation to each other when you add a glossary or term list.
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Right-clicking in the TMX or glossary pane also allows you to change the priority settings.
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Note that right-clicking also allows you to choose edit your glossary (here's looking at you, HansL). In OS X, TextEdit will pop up, no doubt Windows and Linux will provide an equivalent.
A typical priorities scenario for me would be:
My memory for segments (Big Mama) Medium priority
Client's memory for segments High priority
My memory for terms (Big Papa) Medium priority
Client's memory for terms High priority
Glossary High priority
