pgsql: pg_locale.c: comment improvements. - Mailing list pgsql-committers

pg_locale.c: comment improvements.

Add missing comments and fix outdated/incorrect comments in
pg_locale.c and related files.

Suggested-by: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/v3nniwcrxejmcfvz56xbd22hphprqleuornd6hqkmw2bl7kgmz@cnytz2ee5ltk
Backpatch-through: 18

Branch
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REL_18_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/02a2137c1ae521c09050e3d1614dd5d79c4107db

Modified Files
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src/backend/utils/adt/pg_locale.c         | 88 ++++++++++++++++++++++++-------
src/backend/utils/adt/pg_locale_builtin.c |  4 +-
src/backend/utils/adt/pg_locale_icu.c     | 15 +++---
src/include/utils/pg_locale.h             |  6 ++-
4 files changed, 81 insertions(+), 32 deletions(-)