docs: adjust tag indenting and add MERGE mention
authorBruce Momjian <bruce@momjian.us>
Tue, 20 Jun 2023 20:25:59 +0000 (16:25 -0400)
committerBruce Momjian <bruce@momjian.us>
Tue, 20 Jun 2023 20:25:59 +0000 (16:25 -0400)
commit39abe1401e3180a336424c30ece949607322f4a6
tree8f684878e5944feec5afa2fc1adb8b27613a7e46
parenta10be37254fe06ca0d16f34d2fd5933d3adfa66e
docs:  adjust tag indenting and add MERGE mention

Discussion: https://postgr.es/m/CAMpnoC4_WsY3gsY+ud-Z0GDbafR=K7t7cXn2gatEqFnsRNY3yQ@mail.gmail.com

Author: Will Mortensen

Backpatch-through: 15
doc/src/sgml/mvcc.sgml