[pgpool-committers: 4428] pgpool: Add documentation for SGML document build.

[Tatsuo Ishii]

Add documentation for SGML document build.

Branch
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V3_7_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=d712067fe13fd71ec1189d5a358b83ca077b93a7

Modified Files
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doc.ja/src/sgml/installation.sgml | 56 +++++++++++++++++++++++++++++++++++++++
doc/src/sgml/installation.sgml    | 39 +++++++++++++++++++++++++--
2 files changed, 93 insertions(+), 2 deletions(-)