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diff --git a/licenses/xmlformat b/licenses/xmlformat
deleted file mode 100644
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--- a/licenses/xmlformat
+++ /dev/null
@@ -1,93 +0,0 @@
-xmlformat is distributed under a BSD-style license.  This license
-applies to the entire xmlformat distribution, with the exception of
-the REX parser (described below).
-
-Copyright (c) 2004, Kitebird, LLC.  All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
-
-1. Redistributions of source code must retain the above copyright
-   notice, this list of conditions and the following disclaimer.
-
-2. Redistributions in binary form must reproduce the above copyright
-   notice, this list of conditions and the following disclaimer in the
-   documentation and/or other materials provided with the distribution.
-
-3. Neither the name of Kitebird nor the names of its contributors may
-   be used to endorse or promote products derived from this software
-   without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE.
-
-----------------------------------------------------------------------
-The REX parser
-
-xmlformat contains code based on the REX parser, which is Copyright (c) 1998,
-Robert D. Cameron.  REX is described in this document:
-
-	http://www.cs.sfu.ca/~cameron/REX.html
-
-The document contains a Perl implementation of REX:
-
---- begin REX code ---
-# REX/Perl 1.0 
-# Robert D. Cameron "REX: XML Shallow Parsing with Regular Expressions",
-# Technical Report TR 1998-17, School of Computing Science, Simon Fraser 
-# University, November, 1998.
-# Copyright (c) 1998, Robert D. Cameron. 
-# The following code may be freely used and distributed provided that
-# this copyright and citation notice remains intact and that modifications
-# or additions are clearly identified.
-
-$TextSE = "[^<]+";
-$UntilHyphen = "[^-]*-";
-$Until2Hyphens = "$UntilHyphen(?:[^-]$UntilHyphen)*-";
-$CommentCE = "$Until2Hyphens>?";
-$UntilRSBs = "[^\\]]*](?:[^\\]]+])*]+";
-$CDATA_CE = "$UntilRSBs(?:[^\\]>]$UntilRSBs)*>";
-$S = "[ \\n\\t\\r]+";
-$NameStrt = "[A-Za-z_:]|[^\\x00-\\x7F]";
-$NameChar = "[A-Za-z0-9_:.-]|[^\\x00-\\x7F]";
-$Name = "(?:$NameStrt)(?:$NameChar)*";
-$QuoteSE = "\"[^\"]*\"|'[^']*'";
-$DT_IdentSE = "$S$Name(?:$S(?:$Name|$QuoteSE))*";
-$MarkupDeclCE = "(?:[^\\]\"'><]+|$QuoteSE)*>";
-$S1 = "[\\n\\r\\t ]";
-$UntilQMs = "[^?]*\\?+";
-$PI_Tail = "\\?>|$S1$UntilQMs(?:[^>?]$UntilQMs)*>";
-$DT_ItemSE =
-"<(?:!(?:--$Until2Hyphens>|[^-]$MarkupDeclCE)|\\?$Name(?:$PI_Tail))|%$Name;|$S";
-$DocTypeCE = "$DT_IdentSE(?:$S)?(?:\\[(?:$DT_ItemSE)*](?:$S)?)?>?";
-$DeclCE =
-"--(?:$CommentCE)?|\\[CDATA\\[(?:$CDATA_CE)?|DOCTYPE(?:$DocTypeCE)?";
-$PI_CE = "$Name(?:$PI_Tail)?";
-$EndTagCE = "$Name(?:$S)?>?";
-$AttValSE = "\"[^<\"]*\"|'[^<']*'";
-$ElemTagCE = "$Name(?:$S$Name(?:$S)?=(?:$S)?(?:$AttValSE))*(?:$S)?/?>?";
-$MarkupSPE =
-"<(?:!(?:$DeclCE)?|\\?(?:$PI_CE)?|/(?:$EndTagCE)?|(?:$ElemTagCE)?)";
-$XML_SPE = "$TextSE|$MarkupSPE";
-
-
-sub ShallowParse { 
-  my($XML_document) = @_;
-  return $XML_document =~ /$XML_SPE/g;
-}
---- end REX code ---
-
-The Perl and Ruby implementations of xmlformat contain parsers that
-are based on the preceding code and are essentially the same, with the
-exception of changes to variable and function names.
-