It seems like I hit the problem previously reported in http://www.xemacs.org/list-archives/xemacs-beta/200009/msg00153.html Note that this is in Xemacs 21.1. Adding ':' to the list of characters as follows, gets rid of the error. gleb＠one 9 % diff -c psgml-parse.el~ psgml-parse.el *** psgml-parse.el~ Fri Oct 6 01:38:12 2000 --- psgml-parse.el Fri Nov 10 15:32:29 2000 *************** *** 291,297 **** (mapconcat (function (lambda (c) (modify-syntax-entry c "w" sgml-parser-syntax))) ! "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrtsuvwxyz" "") (mapconcat (function (lambda (c) (modify-syntax-entry c "_" sgml-parser-syntax))) "-.0123456789" "") --- 291,297 ---- (mapconcat (function (lambda (c) (modify-syntax-entry c "w" sgml-parser-syntax))) ! ":ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrtsuvwxyz" "") (mapconcat (function (lambda (c) (modify-syntax-entry c "_" sgml-parser-syntax))) "-.0123456789" "") Backtrace Signaling: (error "Name expected; at: :lang NMT") signal(error ("Name expected; at: :lang NMT")) cerror("Name expected; at: %s" ":lang NMT") apply(cerror ("Name expected; at: %s" ":lang NMT")) error("Name expected; at: %s" ":lang NMT") apply(error "Name expected; at: %s" ":lang NMT") sgml-error("Name expected; at: %s" ":lang NMT") apply(sgml-error "Name expected; at: %s" ":lang NMT") sgml-parse-error("Name expected") sgml-check-declared-value() sgml-parse-attribute-definition() sgml-declare-attlist() sgml-parse-markup-declaration(dtd) sgml-check-dtd-subset() sgml-compile-dtd("/home/gleb/local/xemacs-packages/etc/psgml/xhtml1-transitional.dtd" "/home/gleb/local/xemacs-packages/etc/psgml/cdtd/xhtml1-transitional" nil) sgml-bdtd-load("/home/gleb/local/xemacs-packages/etc/psgml/cdtd/xhtml1-transitional" "/home/gleb/local/xemacs-packages/etc/psgml/xhtml1-transitional.dtd" nil) sgml-try-merge-special-case("-//W3C//DTD XHTML 1.0 Transitional//EN//" "/home/gleb/local/xemacs-packages/etc/psgml/xhtml1-transitional.dtd" "/home/gleb/local/xemacs-packages/etc/psgml/cdtd/xhtml1-transitional" nil) sgml-try-merge-compiled-dtd("-//W3C//DTD XHTML 1.0 Transitional//EN" "/home/gleb/local/xemacs-packages/etc/psgml/xhtml1-transitional.dtd") sgml-push-to-entity(("HTML" dtd ("-//W3C//DTD XHTML 1.0 Transitional//EN" nil. "/home/gleb/") nil)) sgml-setup-doctype("HTML" ("-//W3C//DTD XHTML 1.0 Transitional//EN" nil . "/home/gleb/")) sgml-do-doctype() sgml-parse-markup-declaration(prolog) sgml-parse-prolog() sgml-load-doctype() sgml-need-dtd() sgml-parse-to(62) #<compiled-function nil "...(23)" [sgml-throw-on-warning push-mark sgml-note-change-at sgml-parse-to trouble (sgml-parse-until-end-of nil t) message "Ok"] 3 ("/home/gleb/local/xemacs-packages/lisp/psgml/psgml-edit.elc" . 10031) nil>() call-interactively(sgml-next-trouble-spot) XEmacs psgml package version 1.20 Emacs : XEmacs 21.1 (patch 3) "Acadia" [Lucid] (sparc-sun-solaris2.6) of Tue Aug 3 1999 on fsui02 Package: psgml.el 1.2.1 current state: ============== (setq major-mode 'list-packages-mode sgml-always-quote-attributes t sgml-auto-activate-dtd nil sgml-auto-insert-required-elements t sgml-balanced-tag-edit t sgml-catalog-files '("CATALOG" "/home/gleb/local/xemacs-packages/etc/psgml/CATALOG") sgml-declaration nil sgml-doctype nil sgml-ecat-files '("ECAT" "~/sgml/ECAT" "/home/gleb/local/xemacs-packages/etc/psgml/ECAT") sgml-indent-data nil sgml-indent-step 2 sgml-leave-point-after-insert nil sgml-live-element-indicator nil sgml-local-catalogs nil sgml-local-ecat-files nil sgml-markup-faces '((start-tag . bold) (end-tag . bold) (comment . italic) (pi . bold) (sgml . bold) (doctype . bold) (entity . bold-italic) (shortref . bold)) sgml-minimize-attributes nil sgml-normalize-trims t sgml-omittag t sgml-omittag-transparent nil sgml-parent-document nil sgml-public-map '("%S" "/home/gleb/local/xemacs-packages/etc/psgml%o/%c/%d") sgml-set-face nil sgml-shorttag t sgml-namecase-general t sgml-tag-region-if-active t )