Part of Plans for DITA Open Toolkit 1.5

Users can use @keys in <topicref> to define keys and utilize those specified keys by @keyref and @conkeyref.

What is the technical design for the change

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This page contains updates specific to PDF output in version 1.5 of the DITA Open Toolkit. For other updates in version 1.5, see Plans for DITA-OT 1.5

The final build of DITA-OT 1.5 contains all of the fixes listed below for previous milestones, as well as many new items related to the PDF transform. Many of the updates to the PDF transform were not recorded at the time of release; those updates are listed here, but most initially appeared earlier in a milestone build:

XSLT Improvements

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