14.4.2 Bugs Fixed
-  Spurious 
SPIO_E_ERROR exceptions when interrupting
Prolog. Most often seen when using library(timeout) or when using
^C at the top-level prompt.
 -  Inconsistent error messages if the license information was missing or incomplete.
 -  
library(fdbg): inconsistent trace messages for labeling steps.
 -  
library(clpfd): error handling for user-defined global constraint actions.
 -  Source info of interpreted clauses.
 -  Memory management issue with garbage collection + pending unblocked goals
 -  CHR debugging and tracing did not work.
 
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