ENHANCED: Cleanup message context for threads.  Provide a flag to suppress printing the thread.
ENHANCED: Cleanup message context for threads.  Provide a flag to
suppress printing the thread.

edechter/swipl-devel,edechter/swipl-devel,edechter/swipl-devel,edechter/swipl-devel,edechter/swipl-devel