Обсуждение: pgsql: Fix documentation of initdb --show option

Fix documentation of initdb --show option

It wasn't in the documentation at all (even though we document all the
other debugging-like options).  Also, change the --help output to show
that it exits after showing, similar to other options.

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/a41106dab72cbcaa02fce8bda8965d04e85f2d3a

Modified Files
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doc/src/sgml/ref/initdb.sgml | 12 ++++++++++++
src/bin/initdb/initdb.c      |  2 +-
2 files changed, 13 insertions(+), 1 deletion(-)