Somehow had substituted this file for the contents of allfiles.sgml.

This should be the right thing now...

doc/src/sgml/ref/commands.sgml

-<!-- allfiles.sgml
--
-- Complete list of usable sgml source files in this directory.
--
-- -->
+<Chapter Id="commands">
+<Title>Commands</Title>
 
-<!entity intro-ref          system "intro-ref.sgml">
-<!entity commands           system "commands.sgml">
+<Para>
+</Para>
 
-<!-- these will go into the "operators" reference chapter -->
-<!entity all                system "all.sgml">
-<!entity any                system "any.sgml">
-<!entity between            system "between.sgml">
-<!entity in                 system "in.sgml">
-<!entity like               system "like.sgml">
+&alterTable;
+&alterUser;
+&begin;
+&close;
+&cluster;
+&commit;
+&copy;
+&createAggregate;
+&createDatabase;
+&createFunction;
+&createIndex;
+&createLanguage;
+&createOperator;
+&createRule;
+&createSequence;
+&createTable;
+&createTrigger;
+&createType;
+&dropFunction;
+&select;
 
-<!-- these will go into the "functions" reference chapter -->
-<!entity avg                system "avg.sgml">
-<!entity cast               system "cast.sgml">
-<!entity charLength         system "char_length.sgml">
-<!entity count              system "count.sgml">
-<!entity currentDate        system "current_date.sgml">
-<!entity currentTime        system "current_time.sgml">
-<!entity currentTimestamp   system "current_timestamp.sgml">
-<!entity currentUser        system "current_user.sgml">
-<!entity exists             system "exists.sgml">
-<!entity extract            system "extract.sgml">
-<!entity initcap            system "initcap.sgml">
-<!entity lower              system "lower.sgml">
-<!entity lpad               system "lpad.sgml">
-<!entity max                system "max.sgml">
-<!entity min                system "min.sgml">
-<!entity position           system "position.sgml">
-<!entity rpad               system "rpad.sgml">
-<!entity substring          system "substring.sgml">
-<!entity sum                system "sum.sgml">
-<!entity translate          system "translate.sgml">
-<!entity trim               system "trim.sgml">
-<!entity upper              system "upper.sgml">
+</Chapter>
 
-<!-- these are folded into create_table.sgml
-<!entity check              system "check.sgml">
-<!entity constraints        system "constraint.sgml">
-<!entity default            system "default.sgml">
-<!entity notNull            system "not_null.sgml">
-<!entity primaryKey         system "primary_key.sgml">
-<!entity unique             system "unique.sgml">
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+sgml-parent-document:nil
+sgml-default-dtd-file:"../reference.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:"/usr/lib/sgml/catalog"
+sgml-local-ecat-files:nil
+End:
 -->
-
-<!-- these are folded into select.sgml
-<!entity groupBy            system "group_by.sgml">
-<!entity having             system "having.sgml">
-<!entity orderBy            system "order_by.sgml">
-<!entity union              system "union.sgml">
--->
-
-<!-- these are in the "commands" reference chapter -->
-<!entity alterTable         system "alter_table.sgml">
-<!entity alterUser          system "alter_user.sgml">
-<!entity begin              system "begin.sgml">
-<!entity close              system "close.sgml">
-<!entity cluster            system "cluster.sgml">
-<!entity commit             system "commit.sgml">
-<!entity copy               system "copy.sgml">
-<!entity createAggregate    system "create_aggregate.sgml">
-<!entity createDatabase     system "create_database.sgml">
-<!entity createFunction     system "create_function.sgml">
-<!entity createIndex        system "create_index.sgml">
-<!entity createLanguage     system "create_language.sgml">
-<!entity createOperator     system "create_operator.sgml">
-<!entity createRule         system "create_rule.sgml">
-<!entity createSequence     system "create_sequence.sgml">
-<!entity createTable        system "create_table.sgml">
-<!entity createTrigger      system "create_trigger.sgml">
-<!entity createType         system "create_type.sgml">
-<!entity createUser         system "create_user.sgml">
-<!entity createView         system "create_view.sgml">
-<!entity declare            system "declare.sgml">
-<!entity delete             system "delete.sgml">
-<!entity dropAggregate      system "drop_aggregate.sgml">
-<!entity dropDatabase       system "drop_database.sgml">
-<!entity dropFunction       system "drop_function.sgml">
-<!entity dropIndex          system "drop_index.sgml">
-<!entity dropLanguage       system "drop_language.sgml">
-<!entity dropOperator       system "drop_operator.sgml">
-<!entity dropRule           system "drop_rule.sgml">
-<!entity dropSequence       system "drop_sequence.sgml">
-<!entity dropTable          system "drop_table.sgml">
-<!entity dropTrigger        system "drop_trigger.sgml">
-<!entity dropType           system "drop_type.sgml">
-<!entity dropUser           system "drop_user.sgml">
-<!entity dropView           system "drop_view.sgml">
-<!entity explain            system "explain.sgml">
-<!entity fetch              system "fetch.sgml">
-<!entity grant              system "grant.sgml">
-<!entity insert             system "insert.sgml">
-<!entity listen             system "listen.sgml">
-<!entity load               system "load.sgml">
-<!entity lock               system "lock.sgml">
-<!entity move               system "move.sgml">
-<!entity notify             system "notify.sgml">
-<!entity reset              system "reset.sgml">
-<!entity revoke             system "revoke.sgml">
-<!entity rollback           system "rollback.sgml">
-<!entity select             system "select.sgml">
-<!entity set                system "set.sgml">
-<!entity show               system "show.sgml">
-<!entity update             system "update.sgml">
-<!entity vacuum             system "vacuum.sgml">