[CF 6223] v2 - postgresql.conf.sample tab width

This branch was automatically generated by a robot using patches from an
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https://commitfest.postgresql.org/patch/6223

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Patch(es): https://www.postgresql.org/message-id/aRefX8JOs_3VbErE@nathan
Author(s): Nathan Bossart

Author: Commitfest Bot

.editorconfig

@@ -85,6 +85,12 @@ insert_final_newline = true
 indent_style = unset
 tab_width = unset
 
+[src/backend/utils/misc/postgresql.conf.sample]
+trim_trailing_whitespace = true
+insert_final_newline = true
+indent_style = space
+tab_width = unset
+
 [*.out]
 indent_style = unset
 indent_size = unset

.gitattributes

@@ -19,6 +19,7 @@ README.*	conflict-marker-size=48
 *.data						-whitespace
 contrib/pgcrypto/sql/pgp-armor.sql		whitespace=-blank-at-eol
 src/backend/catalog/sql_features.txt		whitespace=space-before-tab,blank-at-eof,-blank-at-eol
+src/backend/utils/misc/postgresql.conf.sample	whitespace=trailing-space,tab-in-indent
 
 # Test output files that contain extra whitespace
 *.out					-whitespace