diff --git a/basis/xml/errors/debugger/authors.txt b/basis/xml/errors/debugger/authors.txt
new file mode 100644
index 0000000000..f990dd0ed2
--- /dev/null
+++ b/basis/xml/errors/debugger/authors.txt
@@ -0,0 +1 @@
+Daniel Ehrenberg
diff --git a/basis/xml/errors/debugger/debugger.factor b/basis/xml/errors/debugger/debugger.factor
new file mode 100644
index 0000000000..01d0a9268a
--- /dev/null
+++ b/basis/xml/errors/debugger/debugger.factor
@@ -0,0 +1,150 @@
+! Copyright (C) 2005, 2006 Daniel Ehrenberg
+! See http://factorcode.org/license.txt for BSD license.
+USING: accessors debugger io kernel prettyprint sequences
+xml.errors xml.writer ;
+IN: xml.errors.debugger
+
+M: xml-error-at error.
+    "XML parsing error" print
+    "Line: " write dup line>> .
+    "Column: " write column>> . ;
+
+M: expected error.
+    dup call-next-method
+    "Token expected: " write dup should-be>> print
+    "Token present: " write was>> print ;
+
+M: unexpected-end error.
+    call-next-method
+    "File unexpectedly ended." print ;
+
+M: missing-close error.
+    call-next-method
+    "Missing closing token." print ;
+
+M: disallowed-char error.
+    dup call-next-method
+    "Disallowed character in XML document: " write
+    char>> write1 nl ;
+
+M: multitags error.
+    drop "XML document contains multiple main tags" print ;
+
+M: pre/post-content error.
+    "The text string:" print
+    dup string>> .
+    "was used " write
+    pre?>> "before" "after" ? write
+    " the main tag." print ;
+
+M: no-entity error.
+    dup call-next-method
+    "Entity does not exist: &" write thing>> write ";" print ;
+
+M: mismatched error.
+    dup call-next-method
+    "Mismatched tags" print
+    "Opening tag: <" write dup open>> print-name ">" print
+    "Closing tag: </" write close>> print-name ">" print ;
+
+M: unclosed error.
+    dup call-next-method
+    "Unclosed tags" print
+    "Tags: " print
+    tags>> [ "  <" write print-name ">" print ] each ;
+
+M: bad-uri error.
+    dup call-next-method
+    "Bad URI:" print string>> . ;
+
+M: nonexist-ns error.
+    dup call-next-method
+    "Namespace " write name>> write " has not been declared" print ;
+
+M: unopened error.
+    call-next-method
+    "Closed an unopened tag" print ;
+
+M: not-yes/no error.
+    dup call-next-method
+    "standalone must be either yes or no, not \"" write
+    text>> write "\"." print ;
+
+M: extra-attrs error.
+    dup call-next-method
+    "Extra attributes included in xml version declaration:" print
+    attrs>> . ;
+
+M: bad-version error.
+    "XML version must be \"1.0\" or \"1.1\". Version here was " write
+    num>> . ;
+
+M: notags error.
+    drop "XML document lacks a main tag" print ;
+
+M: bad-prolog error.
+    dup call-next-method
+    "Misplaced XML prolog" print
+    prolog>> write-xml nl ;
+
+M: capitalized-prolog error.
+    dup call-next-method
+    "XML prolog name was partially or totally capitalized, using" print
+    "<?" write name>> write "...?>" write
+    " instead of <?xml...?>" print ;
+
+M: versionless-prolog error.
+    call-next-method
+    "XML prolog lacks a version declaration" print ;
+
+M: bad-directive error.
+    dup call-next-method
+    "Unknown directive:" print
+    dir>> print ;
+
+M: bad-decl error.
+    call-next-method "Extra content in directive" print ;
+
+M: bad-external-id error.
+    call-next-method "Bad external ID" print ;
+
+M: misplaced-directive error.
+    dup call-next-method
+    "Misplaced directive:" print
+    dir>> write-xml nl ;
+
+M: bad-name error.
+    dup call-next-method
+    "Invalid name: " write name>> print ;
+
+M: unclosed-quote error.
+    call-next-method
+    "XML document ends with quote still open" print ;
+
+M: quoteless-attr error.
+    call-next-method "Attribute lacks quotes around value" print ;
+
+M: attr-w/< error.
+    call-next-method
+    "Attribute value contains literal <" print ;
+
+M: text-w/]]> error.
+    call-next-method
+    "Text node contains ']]>'" print ;
+
+M: duplicate-attr error.
+    call-next-method "Duplicate attribute" print ;
+
+M: bad-cdata error.
+    call-next-method "CDATA occurs before or after main tag" print ;
+
+M: not-enough-characters error.
+    call-next-method
+    "Not enough characters" print ;
+
+M: bad-doctype error.
+    call-next-method "DTD contains invalid object" print ;
+
+M: bad-encoding error.
+    call-next-method
+    "Encoding in XML document does not exist" print ;
diff --git a/basis/xml/errors/errors.factor b/basis/xml/errors/errors.factor
index 7be7e074c3..bd79f480f8 100644
--- a/basis/xml/errors/errors.factor
+++ b/basis/xml/errors/errors.factor
@@ -1,8 +1,7 @@
 ! Copyright (C) 2005, 2006 Daniel Ehrenberg
 ! See http://factorcode.org/license.txt for BSD license.
-USING: xml.data xml.writer kernel generic io prettyprint math 
-debugger sequences xml.state accessors summary
-namespaces io.streams.string ;
+USING: accessors kernel namespaces sequences vocabs.loader
+xml.state ;
 IN: xml.errors
 
 TUPLE: xml-error-at line column ;
@@ -11,91 +10,41 @@ TUPLE: xml-error-at line column ;
     new
         get-line >>line
         get-column >>column ;
-M: xml-error-at summary ( obj -- str )
-    [
-        "XML parsing error" print
-        "Line: " write dup line>> .
-        "Column: " write column>> .
-    ] with-string-writer ;
 
 TUPLE: expected < xml-error-at should-be was ;
+
 : expected ( should-be was -- * )
     \ expected xml-error-at
         swap >>was
         swap >>should-be throw ;
-M: expected summary ( obj -- str )
-    [
-        dup call-next-method write
-        "Token expected: " write dup should-be>> print
-        "Token present: " write was>> print
-    ] with-string-writer ;
 
 TUPLE: unexpected-end < xml-error-at ;
+
 : unexpected-end ( -- * ) \ unexpected-end xml-error-at throw ;
-M: unexpected-end summary ( obj -- str )
-    [
-        call-next-method write
-        "File unexpectedly ended." print
-    ] with-string-writer ;
 
 TUPLE: missing-close < xml-error-at ;
+
 : missing-close ( -- * ) \ missing-close xml-error-at throw ;
-M: missing-close summary ( obj -- str )
-    [
-        call-next-method write
-        "Missing closing token." print
-    ] with-string-writer ;
 
 TUPLE: disallowed-char < xml-error-at char ;
 
 : disallowed-char ( char -- * )
     \ disallowed-char xml-error-at swap >>char throw ;
 
-M: disallowed-char summary
-    [ call-next-method ]
-    [ char>> "Disallowed character in XML document: " swap suffix ] bi
-    append ;
-
 ERROR: multitags ;
 
-M: multitags summary ( obj -- str )
-    drop "XML document contains multiple main tags" ;
-
 ERROR: pre/post-content string pre? ;
 
-M: pre/post-content summary ( obj -- str )
-    [
-        "The text string:" print
-        dup string>> .
-        "was used " write
-        pre?>> "before" "after" ? write
-        " the main tag." print
-    ] with-string-writer ;
-
 TUPLE: no-entity < xml-error-at thing ;
 
 : no-entity ( string -- * )
     \ no-entity xml-error-at swap >>thing throw ;
 
-M: no-entity summary ( obj -- str )
-    [
-        dup call-next-method write
-        "Entity does not exist: &" write thing>> write ";" print
-    ] with-string-writer ;
-
 TUPLE: mismatched < xml-error-at open close ;
 
 : mismatched ( open close -- * )
     \ mismatched xml-error-at swap >>close swap >>open throw ;
 
-M: mismatched summary ( obj -- str )
-    [
-        dup call-next-method write
-        "Mismatched tags" print
-        "Opening tag: <" write dup open>> print-name ">" print
-        "Closing tag: </" write close>> print-name ">" print
-    ] with-string-writer ;
-
 TUPLE: unclosed < xml-error-at tags ;
 
 : unclosed ( -- * )
@@ -103,249 +52,129 @@ TUPLE: unclosed < xml-error-at tags ;
         xml-stack get rest-slice [ first name>> ] map >>tags
     throw ;
 
-M: unclosed summary ( obj -- str )
-    [
-        dup call-next-method write
-        "Unclosed tags" print
-        "Tags: " print
-        tags>> [ "  <" write print-name ">" print ] each
-    ] with-string-writer ;
-
 TUPLE: bad-uri < xml-error-at string ;
 
 : bad-uri ( string -- * )
     \ bad-uri xml-error-at swap >>string throw ;
 
-M: bad-uri summary ( obj -- str )
-    [
-        dup call-next-method write
-        "Bad URI:" print string>> .
-    ] with-string-writer ;
-
 TUPLE: nonexist-ns < xml-error-at name ;
 
 : nonexist-ns ( name-string -- * )
     \ nonexist-ns xml-error-at swap >>name throw ;
 
-M: nonexist-ns summary ( obj -- str )
-    [
-        dup call-next-method write
-        "Namespace " write name>> write " has not been declared" print
-    ] with-string-writer ;
-
-TUPLE: unopened < xml-error-at ; ! this should give which tag was unopened
+! this should give which tag was unopened
+TUPLE: unopened < xml-error-at ;
 
 : unopened ( -- * )
     \ unopened xml-error-at throw ;
 
-M: unopened summary ( obj -- str )
-    [
-        call-next-method write
-        "Closed an unopened tag" print
-    ] with-string-writer ;
-
 TUPLE: not-yes/no < xml-error-at text ;
 
 : not-yes/no ( text -- * )
     \ not-yes/no xml-error-at swap >>text throw ;
 
-M: not-yes/no summary ( obj -- str )
-    [
-        dup call-next-method write
-        "standalone must be either yes or no, not \"" write
-        text>> write "\"." print
-    ] with-string-writer ;
-
 ! this should actually print the names
 TUPLE: extra-attrs < xml-error-at attrs ;
 
 : extra-attrs ( attrs -- * )
     \ extra-attrs xml-error-at swap >>attrs throw ;
 
-M: extra-attrs summary ( obj -- str )
-    [
-        dup call-next-method write
-        "Extra attributes included in xml version declaration:" print
-        attrs>> .
-    ] with-string-writer ;
-
 TUPLE: bad-version < xml-error-at num ;
 
 : bad-version ( num -- * )
     \ bad-version xml-error-at swap >>num throw ;
 
-M: bad-version summary ( obj -- str )
-    [
-        "XML version must be \"1.0\" or \"1.1\". Version here was " write
-        num>> .
-    ] with-string-writer ;
-
 ERROR: notags ;
 
-M: notags summary ( obj -- str )
-    drop "XML document lacks a main tag" ;
-
 TUPLE: bad-prolog < xml-error-at prolog ;
 
 : bad-prolog ( prolog -- * )
     \ bad-prolog xml-error-at swap >>prolog throw ;
 
-M: bad-prolog summary ( obj -- str )
-    [
-        dup call-next-method write
-        "Misplaced XML prolog" print
-        prolog>> write-xml nl
-    ] with-string-writer ;
-
 TUPLE: capitalized-prolog < xml-error-at name ;
 
 : capitalized-prolog ( name -- capitalized-prolog )
     \ capitalized-prolog xml-error-at swap >>name throw ;
 
-M: capitalized-prolog summary ( obj -- str )
-    [
-        dup call-next-method write
-        "XML prolog name was partially or totally capitalized, using" print
-        "<?" write name>> write "...?>" write
-        " instead of <?xml...?>" print
-    ] with-string-writer ;
-
 TUPLE: versionless-prolog < xml-error-at ;
 
 : versionless-prolog ( -- * )
     \ versionless-prolog xml-error-at throw ;
 
-M: versionless-prolog summary ( obj -- str )
-    [
-        call-next-method write
-        "XML prolog lacks a version declaration" print
-    ] with-string-writer ;
-
 TUPLE: bad-directive < xml-error-at dir ;
 
 : bad-directive ( directive -- * )
     \ bad-directive xml-error-at swap >>dir throw ;
 
-M: bad-directive summary ( obj -- str )
-    [
-        dup call-next-method write
-        "Unknown directive:" print
-        dir>> write
-    ] with-string-writer ;
-
 TUPLE: bad-decl < xml-error-at ;
 
 : bad-decl ( -- * )
     \ bad-decl xml-error-at throw ;
 
-M: bad-decl summary ( obj -- str )
-    call-next-method "\nExtra content in directive" append ;
-
 TUPLE: bad-external-id < xml-error-at ;
 
 : bad-external-id ( -- * )
     \ bad-external-id xml-error-at throw ;
 
-M: bad-external-id summary ( obj -- str )
-    call-next-method "\nBad external ID" append ;
-
 TUPLE: misplaced-directive < xml-error-at dir ;
 
 : misplaced-directive ( directive -- * )
     \ misplaced-directive xml-error-at swap >>dir throw ;
 
-M: misplaced-directive summary ( obj -- str )
-    [
-        dup call-next-method write
-        "Misplaced directive:" print
-        dir>> write-xml nl
-    ] with-string-writer ;
-
 TUPLE: bad-name < xml-error-at name ;
 
 : bad-name ( name -- * )
     \ bad-name xml-error-at swap >>name throw ;
 
-M: bad-name summary ( obj -- str )
-    [ call-next-method ]
-    [ "Invalid name: " swap name>> "\n" 3append ]
-    bi append ;
-
 TUPLE: unclosed-quote < xml-error-at ;
 
 : unclosed-quote ( -- * )
     \ unclosed-quote xml-error-at throw ;
 
-M: unclosed-quote summary
-    call-next-method
-    "XML document ends with quote still open\n" append ;
-
 TUPLE: quoteless-attr < xml-error-at ;
 
 : quoteless-attr ( -- * )
     \ quoteless-attr xml-error-at throw ;
 
-M: quoteless-attr summary
-    call-next-method "Attribute lacks quotes around value\n" append ;
-
 TUPLE: attr-w/< < xml-error-at ;
 
 : attr-w/< ( -- * )
     \ attr-w/< xml-error-at throw ;
 
-M: attr-w/< summary
-    call-next-method
-    "Attribute value contains literal <" append ;
-
 TUPLE: text-w/]]> < xml-error-at ;
 
 : text-w/]]> ( -- * )
     \ text-w/]]> xml-error-at throw ;
 
-M: text-w/]]> summary
-    call-next-method
-    "Text node contains ']]>'" append ;
-
 TUPLE: duplicate-attr < xml-error-at key values ;
 
 : duplicate-attr ( key values -- * )
     \ duplicate-attr xml-error-at
     swap >>values swap >>key throw ;
 
-M: duplicate-attr summary
-    call-next-method "\nDuplicate attribute" append ;
-
 TUPLE: bad-cdata < xml-error-at ;
 
 : bad-cdata ( -- * )
     \ bad-cdata xml-error-at throw ;
 
-M: bad-cdata summary
-    call-next-method "\nCDATA occurs before or after main tag" append ;
-
 TUPLE: not-enough-characters < xml-error-at ;
+
 : not-enough-characters ( -- * )
     \ not-enough-characters xml-error-at throw ;
-M: not-enough-characters summary ( obj -- str )
-    [
-        call-next-method write
-        "Not enough characters" print
-    ] with-string-writer ;
 
 TUPLE: bad-doctype < xml-error-at contents ;
+
 : bad-doctype ( contents -- * )
     \ bad-doctype xml-error-at swap >>contents throw ;
-M: bad-doctype summary
-    call-next-method "\nDTD contains invalid object" append ;
 
 TUPLE: bad-encoding < xml-error-at encoding ;
+
 : bad-encoding ( encoding -- * )
     \ bad-encoding xml-error-at
         swap >>encoding
     throw ;
-M: bad-encoding summary
-    call-next-method
-    "\nEncoding in XML document does not exist" append ;
 
 UNION: xml-error
     multitags notags pre/post-content xml-error-at ;
+
+{ "xml.errors" "debugger" } "xml.errors.debugger" require-when