* dgud/stdlib/fix-file-error_log-leak:
  stdlib: Fix leaking files after error_logger:logfile(close)

Introduced when changing state from tuple to record.

* leoliu/export-catch_exception:
  Export shell:catch_exception/1 as documented

* howleysv/stdlib/compiled-unicode/OTP-12977:
  stdlib: Fix bug with unicode detection in re

Fix bug with unrecognised 'unicode' option in re:split/2,3 &
re:replace/3,4 when using pre-compiled regex.

We'll need a way to limit the size of the crash report produced
by proc_lib:format(). Add format/3, where the third argument is
a depth argument.

Add the possibility to truncate big messages to avoid running out
of memory.

Refactor, simplify, and modernize the code to facilitate future
improvements in the following commits.

Add the possibility to truncate big messages to avoid running out
of memory.