diff --git a/extra/parser-combinators/parser-combinators-tests.factor b/extra/parser-combinators/parser-combinators-tests.factor
index 546eb84c98..8d55cc5770 100644
--- a/extra/parser-combinators/parser-combinators-tests.factor
+++ b/extra/parser-combinators/parser-combinators-tests.factor
@@ -149,9 +149,3 @@ IN: scratchpad
 { { } } [
   "234" "1" token <+> parse list>array
 ] unit-test
-
-
-[ "a"  "a" token <!> parse-1 ] unit-test-fails
-[ t ] [ "b"  "a" token <!> parse-1 >boolean ] unit-test
-[ t ] [ "b"  "ab" token <!> parse-1 >boolean ] unit-test
-
diff --git a/extra/regexp/regexp.factor b/extra/regexp/regexp.factor
index f1f2d3b1e4..55d15aed42 100755
--- a/extra/regexp/regexp.factor
+++ b/extra/regexp/regexp.factor
@@ -2,6 +2,7 @@ USING: arrays combinators kernel lazy-lists math math.parser
 namespaces parser parser-combinators parser-combinators.simple
 promises quotations sequences combinators.lib strings macros
 assocs prettyprint.backend ;
+USE: io
 IN: regexp
 
 : or-predicates ( quots -- quot )
@@ -40,7 +41,7 @@ MACRO: fast-member? ( str -- quot )
     dup alpha? swap punct? or ;
 
 : 'ordinary-char' ( -- parser )
-    [ "\\^*+?|(){}[" fast-member? not ] satisfy
+    [ "\\^*+?|(){}[$" fast-member? not ] satisfy
     [ [ = ] curry ] <@ ;
 
 : 'octal-digit' ( -- parser ) [ octal-digit? ] satisfy ;
@@ -158,23 +159,39 @@ C: <group-result> group-result
     'char' <|>
     'character-class' <|> ;
 
-: 'interval' ( -- parser )
+: 'greedy-interval' ( -- parser )
     'simple' 'integer' "{" "}" surrounded-by <&> [ first2 exactly-n ] <@
     'simple' 'integer' "{" ",}" surrounded-by <&> [ first2 at-least-n ] <@ <|>
     'simple' 'integer' "{," "}" surrounded-by <&> [ first2 at-most-n ] <@ <|>
     'simple' 'integer' "," token <& 'integer' <&> "{" "}" surrounded-by <&> [ first2 first2 from-m-to-n ] <@ <|> ;
 
-: 'repetition' ( -- parser )
+: 'interval' ( -- parser )
+    'greedy-interval'
+    'greedy-interval' "?" token <& [ "reluctant {}" print ] <@ <|>
+    'greedy-interval' "+" token <& [ "possessive {}" print ] <@ <|> ;
+
+: 'greedy-repetition' ( -- parser )
     'simple' "*" token <& [ <*> ] <@
     'simple' "+" token <& [ <+> ] <@ <|>
     'simple' "?" token <& [ <?> ] <@ <|> ;
 
+: 'repetition' ( -- parser )
+    'greedy-repetition'
+    'greedy-repetition' "?" token <& [ "reluctant" print ] <@ <|>
+    'greedy-repetition' "+" token <& [ "possessive" print ] <@ <|> ;
+
 : 'term' ( -- parser )
     'simple' 'repetition' 'interval' <|> <|>
     <+> [ <and-parser> ] <@ ;
 
 LAZY: 'regexp' ( -- parser )
-    'term' "|" token nonempty-list-of [ <or-parser> ] <@ ;
+    'term' "|" token nonempty-list-of [ <or-parser> ] <@
+    "^" token 'term' "|" token nonempty-list-of [ <or-parser> ] <@
+        &> [ "caret" print ] <@ <|>
+    'term' "|" token nonempty-list-of [ <or-parser> ] <@
+        "$" token <& [ "dollar" print ] <@ <|>
+    "^" token 'term' "|" token nonempty-list-of [ <or-parser> ] <@ &>
+        "$" token [ "caret dollar" print ] <@ <& <|> ;
 
 TUPLE: regexp source parser ;
 
diff --git a/misc/factor.sh b/misc/factor.sh
index 98f9104549..7511b3d83d 100755
--- a/misc/factor.sh
+++ b/misc/factor.sh
@@ -105,6 +105,7 @@ find_architecture() {
 	   i386) ARCH=x86;;
 	   i686) ARCH=x86;;
 	   *86) ARCH=x86;;
+	   *86_64) ARCH=x86;;
 	   "Power Macintosh") ARCH=ppc;;
 	esac
 }
@@ -142,6 +143,9 @@ echo_build_info() {
 
 set_build_info() {
 	if ! [[ -n $OS && -n $ARCH && -n $WORD ]] ; then
+		echo "OS: $OS"
+		echo "ARCH: $ARCH"
+		echo "WORD: $WORD"
 		echo "OS, ARCH, or WORD is empty.  Please report this"
 		exit 5
 	fi
@@ -170,6 +174,7 @@ git_clone() {
 }
 
 git_pull_factorcode() {
+	echo "Updating the git repository from factorcode.org..."
 	git pull git://factorcode.org/git/factor.git
 	check_ret git
 }
@@ -216,7 +221,7 @@ bootstrap() {
 }
 
 usage() {
-	echo "usage: $0 install|update"
+	echo "usage: $0 install|install-x11|update"
 }
 
 install() {
@@ -244,8 +249,13 @@ update() {
 	bootstrap
 }
 
+install_libraries() {
+	sudo apt-get install libc6-dev libfreetype6-dev wget git-core git-doc libx11-dev glutg3-dev
+}
+
 case "$1" in
 	install) install ;;
+	install-x11) install_libraries; install ;;
 	update) update ;;
 	*) usage ;;
 esac