Documentation for JIRA 4.3. Documentation for other versions of JIRA is available too.

Title: Configuring Project Keys  
Author: Mridul Pandey Apr 17, 2009
Last Changed by: Giles Gaskell Dec 14, 2011
Tiny Link: (useful for email) https://confluence.atlassian.com/x/jA4aDg
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    Page: Defining a Project
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    Page: Project Management
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