set contest status to pending

Fixed link in `inc/guidelines.pending.hdr`.

Improved link in `inc/rules.open.hdr`.

Updated timestamps and sitemap with `make gen_status gen_sitemap timestamp`.

Changed `bin/status2html.sh` VERSION from "1.4.3 2024-08-05"
to "1.4.4 2024-12-29".

Performed `make quick_www` on macOS to complete the above.

bin/status2html.sh

@@ -114,7 +114,7 @@ shopt -s globstar	# enable ** to match all files and zero or more directories an
 
 # set variables referenced in the usage message
 #
-export VERSION="1.4.3 2024-08-05"
+export VERSION="1.4.4 2024-12-29"
 NAME=$(basename "$0")
 export NAME
 export V_FLAG=0
@@ -447,7 +447,7 @@ esac
 	echo "See the [IOCCC news](news.html) for details including the tentative" \
 	     "scheduled opening date."
 	echo
-	echo "A preliminary [IOCCC rules](next/rules.html], preliminary [IOCCC guidelines](next/guidelines.html)," \
+	echo "A preliminary [IOCCC rules](next/rules.html), preliminary [IOCCC guidelines](next/guidelines.html)," \
 	     "and preliminary [mkiocccentry tools](https://github.com/ioccc-src/mkiocccentry) have been posted."
 	echo
 	echo "Comments and suggestions on these preliminary items are welcome, see [FAQ 0.5](faq.html#feedback)" \