Duplicate components for IDEADEV in JIRA

Looking at the IDEADEV index page I see multiple entries for some components:
Component Editor. Editing Text
Component Editor. Error Highlighting
Component GWT Support
Component J2EE
Component J2EE.JSF
Component J2EE.Spring
Component Plugin Support. API
Component Plugin Support. Architecture
Component Project Configuration

JIRA bug? Configuration error?

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