Patch by Steven Kryskalla.

Patch by Steven Kryskalla.

- not allowed when implicitly re-raised the current exception
- last exception raised is always displayed last
- attempt to make it clearer when/if cause and context are shown

Update comment: SAVE_EXC_STATE and SWAP_EXC_STATE macroses are saave_exc_state and swap_exc_state functions now.

Patch by Ilya Sandler.

Patch by Ilya Sandler.

encoded/decoded to/from UTF-8/surrogateescape, instead of the locale encoding
(which may be ASCII if no locale environment variable is set), to avoid
inconsistencies with os.fsencode() and os.fsdecode() functions which are
already using UTF-8/surrogateescape.

encoded/decoded to/from UTF-8/surrogateescape, instead of the locale encoding
(which may be ASCII if no locale environment variable is set), to avoid
inconsistencies with os.fsencode() and os.fsdecode() functions which are
already using UTF-8/surrogateescape.

Patch by Serhiy Storchaka.

Patch by Serhiy Storchaka.