Mark options as deprecated in usage output

Some deprecated options were not marked as such in usage output.  This
does so across the installed binaries in an attempt to provide consistent
markup for this.

Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi>
Discussion: https://postgr.es/m/062C6A8A-A4E8-4F52-9E31-45F0C9E9915E@yesql.se

contrib/oid2name/oid2name.c

@@ -217,7 +217,7 @@ help(const char *progname)
 		   "\nConnection options:\n"
 		   "  -d, --dbname=DBNAME        database to connect to\n"
 		   "  -h, --host=HOSTNAME        database server host or socket directory\n"
-		   "  -H                         same as -h, deprecated option\n"
+		   "  -H                         (same as -h, deprecated)\n"
 		   "  -p, --port=PORT            database server port number\n"
 		   "  -U, --username=USERNAME    connect as specified database user\n"
 		   "\nThe default action is to show all database OIDs.\n\n"

src/backend/main/main.c

@@ -339,7 +339,7 @@ help(const char *progname)
 	printf(_("  -e                 use European date input format (DMY)\n"));
 	printf(_("  -F                 turn fsync off\n"));
 	printf(_("  -h HOSTNAME        host name or IP address to listen on\n"));
-	printf(_("  -i                 enable TCP/IP connections\n"));
+	printf(_("  -i                 enable TCP/IP connections (deprecated)\n"));
 	printf(_("  -k DIRECTORY       Unix-domain socket location\n"));
 #ifdef USE_SSL
 	printf(_("  -l                 enable SSL connections\n"));

src/bin/pg_dump/pg_dump.c

@@ -1037,10 +1037,10 @@ help(const char *progname)
 
 	printf(_("\nOptions controlling the output content:\n"));
 	printf(_("  -a, --data-only              dump only the data, not the schema\n"));
-	printf(_("  -b, --large-objects, --blobs\n"
+	printf(_("  -b, --large-objects          include large objects in dump\n"
-			 "                               include large objects in dump\n"));
+			 "  --blobs                      (same as --large-objects, deprecated)\n"));
-	printf(_("  -B, --no-large-objects, --no-blobs\n"
+	printf(_("  -B, --no-large-objects       exclude large objects in dump\n"
-			 "                               exclude large objects in dump\n"));
+			 "  --no-blobs                   (same as --no-large-objects, deprecated)\n"));
 	printf(_("  -c, --clean                  clean (drop) database objects before recreating\n"));
 	printf(_("  -C, --create                 include commands to create database in dump\n"));
 	printf(_("  -e, --extension=PATTERN      dump the specified extension(s) only\n"));