Обсуждение: pgsql: Fix a couple more places in docs for pg_lsn change

Fix a couple more places in docs for pg_lsn change

Also, revert Unicode linestyle to ASCII.

Reported-by: Japin Li <japinli@hotmail.com>
Discussion: https://postgr.es/m/ME0P300MB04453A39931F95805C4205A8B64FA@ME0P300MB0445.AUSP300.PROD.OUTLOOK.COM

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/aa39b4e35ac65d4c1672ba2a29707008a754ddf5

Modified Files
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doc/src/sgml/datatype.sgml    | 2 +-
doc/src/sgml/func.sgml        | 2 +-
doc/src/sgml/pageinspect.sgml | 6 +++---
3 files changed, 5 insertions(+), 5 deletions(-)