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diff --git a/src/language/data-io/ChangeLog b/src/language/data-io/ChangeLog
index 256cc20cb0..71aafa44ec 100644
--- a/src/language/data-io/ChangeLog
+++ b/src/language/data-io/ChangeLog
@@ -1,3 +1,81 @@
+Wed Apr 26 13:41:05 2006  Ben Pfaff  <blp@gnu.org>
+
+Wed Apr 26 13:16:28 2006  Ben Pfaff  <blp@gnu.org>
+
+	Improve the way we handle the various parsing "states".  Until now
+	we've hard-coded the state transitions in the command definition
+	file, but that's error-prone and, worse, it's redundant--we can
+	figure out what state we're in anyhow.  We can cleanly handle
+	INPUT PROGRAM and FILE TYPE with a nested command-processing loop.
+	
+	* data-list.c: (cmd_data_list) Use in_file_type() or
+	in_input_program() in place of case_source_is_class() or
+	case_source_is_complex().
+
+	* file-type.c: NB: Not really fixed except minimally to compile,
+	because it doesn't work anyway.
+	(in_file_type) New function.
+	(cmd_record_type) No need to check that we're in FILE TYPE.
+	(cmd_end_file_type) Ditto.
+	(var file_type_source_class) Make static.
+
+	* get.c: (cmd_match_files) Check vfm_source instead of pgm_state.
+
+	* inpt-pgm.c: (in_input_program) New function.
+	(cmd_input_program) Rewrite to include nested command processing
+	loop.
+	(cmd_end_input_program) Just return CMD_END_SUBLOOP.
+	(var input_program_source_class) Make static.
+	(cmd_end_case) No need to check that we're in INPUT PROGRAM.
+	(cmd_end_file) Ditto.
+	
+	* automake.mk (src_language_data_io_libdata_io_a_SOURCES): Add
+	file-type.h, inpt-pgm.h.
+
+	* file-type.h: New file.
+
+	* inpt-pgm.h: New file.
+
+Tue Apr 25 13:11:55 2006  Ben Pfaff  <blp@gnu.org>
+
+	* print.c: Don't special-case MS-DOS line terminators.
+	(macro LINE_END_WIDTH) Removed.
+	(alloc_line) Line ends are 1 byte.
+	(print_trns_proc) Just output \n for line end.
+
+Sun Apr 23 22:05:58 2006  Ben Pfaff  <blp@gnu.org>
+
+	Continue reforming error message support.  In this phase, get rid
+	of message "titles" and put the message text in `struct error'.
+	Now `struct error' encapsulates a message more properly.
+	
+	* data-list.c: (macro RPD_ERR) Removed.
+	(rpd_msg) New function.  Updated all references to tmsg() to call
+	this function instead.
+
+Sat Apr 15 19:38:13 2006  Ben Pfaff  <blp@gnu.org>
+
+	Remove last users of struct file_ext so we can get rid of it
+	entirely.
+	
+	* data-reader.c: (struct dfm_reader) Change file member from
+	struct file_ext to FILE *.  Updated all references.
+	(dfm_close_reader) Close file with fn_close() instead of
+	fn_close_ext().  Also, make a copy of the file name from the file
+	handle before closing it, because we can't extract it after we
+	close the file.
+	(dfm_open_reader) Open file with fn_open() instead of
+	fn_open_ext().
+
+	* data-writer.c: (struct dfm_writer) Change file member 
+	struct file_ext to FILE *.  Updated all references.
+	(dfm_close_writer) Close file with fn_close() instead of
+	fn_close_ext().  Also, make a copy of the file name from the file
+	handle before closing it, because we can't extract it after we
+	close the file.
+	(dfm_open_writer) Open file with fn_open() instead of
+	fn_open_ext().
+
 Sat Apr 15 18:00:32 2006  Ben Pfaff  <blp@gnu.org>
 
 	* data-list.c: Add prototype to suppress warning for