Improve readability of config location params by adding newline.

src/backend/utils/misc/postgresql.conf.sample

@@ -31,6 +31,7 @@
 
 # The default values of these variables are driven from the -D command line
 # switch or PGDATA environment variable, represented here as ConfigDir.
+
 # data_directory = 'ConfigDir'		# use data in another directory
 # hba_file = 'ConfigDir/pg_hba.conf'	# the host-based authentication file
 # ident_file = 'ConfigDir/pg_ident.conf'  # the IDENT configuration file

src/tools/make_mkid

-#!/bin/sh
+:
 
 mkid `find \`pwd\`/ \( -name _deadcode -a -prune \) -o \
 	-type f -name '*.[chyl]' -print|sed 's;//;/;g'`
 
-find . -name  'CVS' -prune -o -type d -print  |while read DIR
+find . \( -name  'CVS' -prune -o -name  '_xlk' -prune \) -o -type d -print  |
+while read DIR
 do
 	[ "$DIR" != "." ] && ln -f -s `echo "$DIR" | sed 's;/[^/]*;/..;g'`/ID $DIR/ID
 done