Hello, It seems that SYSTEM identifiers should be absolute URI: Index: lib/rdoc/generators/template/html/html.rb =================================================================== RCS file: /src/ruby/lib/rdoc/generators/template/html/html.rb,v retrieving revision 1.2.2.2 diff -u -p -r1.2.2.2 html.rb --- lib/rdoc/generators/template/html/html.rb 20 Mar 2004 06:26:48 -0000 1.2.2.2 +++ lib/rdoc/generators/template/html/html.rb 22 May 2004 21:05:56 -0000 @@ -207,7 +207,7 @@ div.method-source-code pre { color: #ffd XHTML_PREAMBLE = %{<?xml version="1.0" encoding="%charset%"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" - "DTD/xhtml1-transitional.dtd"> + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> } HEADER = XHTML_PREAMBLE + %{ @@ -619,7 +619,7 @@ METHOD_INDEX = FILE_INDEX INDEX = %{<?xml version="1.0" encoding="%charset%"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" - "DTD/xhtml1-frameset.dtd"> + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd"> <!-- Index: lib/rdoc/generators/template/html/old_html.rb =================================================================== RCS file: /src/ruby/lib/rdoc/generators/template/html/old_html.rb,v retrieving revision 1.1.2.1 diff -u -p -r1.1.2.1 old_html.rb --- lib/rdoc/generators/template/html/old_html.rb 20 Jan 2004 05:04:31 -0000 1.1.2.1 +++ lib/rdoc/generators/template/html/old_html.rb 22 May 2004 21:05:56 -0000 @@ -299,7 +299,7 @@ li { HEADER = %{ <?xml version="1.0" encoding="utf-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" -"DTD/xhtml1-strict.dtd"> +"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>%title%</title> -- Kazuhiro NISHIYAMA <zn / mbf.nifty.com>