--- a/main/io/inst/ods2oct.m	Sun Apr 13 10:21:30 2014 +0000
+++ b/main/io/inst/ods2oct.m	Sun Apr 13 17:45:59 2014 +0000
@@ -1,4 +1,4 @@
-## Copyright (C) 2009,2010,2011,2012,2013 Philip Nienhuis
+## Copyright (C) 2009,2010,2011,2012,2013,2014 Philip Nienhuis
 ##
 ## This program is free software; you can redistribute it and/or modify it under
 ## the terms of the GNU General Public License as published by the Free Software
@@ -20,7 +20,8 @@
 ## @deftypefnx {Function File} [ @var{rawarr}, @var{ods}, @var{rstatus} ] = ods2oct (@var{ods}, @var{wsh}, @var{range}, @var{options})
 ##
 ## Read data contained within cell range @var{range} from worksheet @var{wsh}
-## in an OpenOffice_org Calc spreadsheet file pointed to in struct @var{ods}.
+## in an OpenOffice_org Calc or Gnumeric spreadsheet file pointed to
+## in struct @var{ods}.
 ##
 ## @var{ods} is supposed to have been created earlier by odsopen in the
 ## same octave session.
@@ -30,7 +31,7 @@
 ## Note that in case of a numerical @var{wsh} this number refers to the
 ## position in the worksheet stack, counted from the left in a Calc
 ## window. The default is numerical 1, i.e. the leftmost worksheet
-## in the ODS file.
+## in the ODS or gnumeric file.
 ##
 ## @var{range} is expected to be a regular spreadsheet range format,
 ## or "" (empty string, indicating all data in a worksheet).
@@ -74,14 +75,14 @@
 ## requested data have been read successfully, 0 otherwise.
 ##
 ## Erroneous data and empty cells turn up empty in @var{rawarr}.
-## Date/time values in OpenOffice.org are returned as numerical values
-## with base 1-1-0000 (same as octave). But beware that Excel spreadsheets
-## rewritten by OpenOffice.org into .ods format may have numerical date
-## cells with base 01-01-1900 (same as MS-Excel).
+## Date/time values in OpenOffice.org or Gnumeric are returned as numerical
+## values with base 1-1-0000 (same as octave). But beware that Excel
+## spreadsheets rewritten by OpenOffice.org into .ods format may have
+## numerical date cells with epoch (base) 01-01-1900 (same as MS-Excel).
 ##
 ## When reading from merged cells, all array elements NOT corresponding 
-## to the leftmost or upper OpenOffice.org cell will be treated as if the
-## "corresponding" cells are empty.
+## to the leftmost or upper OpenOffice.org Calc or Gnumeric cell will be
+## treated as if the "corresponding" cells are empty.
 ##
 ## Examples:
 ##
@@ -130,6 +131,7 @@
 ## 2013-10-02 Some adaptations for gnumeric
 ## 2013-12-01 Style fixes
 ## 2013-12-27 More style fixes
+## 2014-04-13 Copyright string updated
 ##
 ## Latest subfunc update: 2012-10-12
 

--- a/main/io/inst/odsclose.m	Sun Apr 13 10:21:30 2014 +0000
+++ b/main/io/inst/odsclose.m	Sun Apr 13 17:45:59 2014 +0000
@@ -1,4 +1,4 @@
-## Copyright (C) 2009,2010,2011,2012,2013 Philip Nienhuis
+## Copyright (C) 2009,2010,2011,2012,2013,2014 Philip Nienhuis
 ##
 ## This program is free software; you can redistribute it and/or modify it under
 ## the terms of the GNU General Public License as published by the Free Software
@@ -73,7 +73,8 @@
 ## 2013-09-09 Native Octave interface ("OCT") for reading
 ##      ''    Warning message for empty file ptr structs
 ## 2013-10-02 Texinfo header adapted
-## 2013-12-01 Style fixes
+## 2013-12-01 Style fixes
+## 2014-04-13 Updated copyright strings
 
 function [ ods ] = odsclose (ods, varargs)
 

--- a/main/io/inst/odsread.m	Sun Apr 13 10:21:30 2014 +0000
+++ b/main/io/inst/odsread.m	Sun Apr 13 17:45:59 2014 +0000
@@ -1,4 +1,4 @@
-## Copyright (C) 2009,2010,2011,2012,2013 Philip Nienhuis
+## Copyright (C) 2009,2010,2011,2012,2013,2014 Philip Nienhuis
 ##
 ## This program is free software; you can redistribute it and/or modify it under
 ## the terms of the GNU General Public License as published by the Free Software
@@ -23,13 +23,14 @@
 ## in OpenOffice_org Calc spreadsheet file @var{filename}. Reading
 ## Gnumeric xml files is also supported.
 ##
-## A native Octave interface (OCT) is available for reading data.
-## For ODS the supported Java-based interfaces offer more flexibility
-## and better speed, plus write support. For these you need a Java JRE or JDK
+## A native Octave interface (OCT) is available, but presently still
+## experimental. For ODS only the supported Java-based interfaces offer
+## more flexibility and better speed. For those you need a Java JRE or JDK
 ## and one or both of jopendocument-<version>.jar or preferrably: (odfdom.jar
 ## (versions 0.7.5 or 0.8.6-0.8.8) & xercesImpl.jar v. 2.9.1) in your
 ## javaclasspath. There is also experimental support invoking
-## OpenOffice.org/LibreOffice or clones through a Java/UNO bridge.
+## OpenOffice.org/LibreOffice or clones through a Java/UNO bridge.
+## The OCT interface also offers .gnumeric read support.
 ##
 ## Return argument @var{numarr} contains the numeric data, optional
 ## return arguments @var{txtarr} and @var{rawarr} contain text strings
@@ -65,8 +66,8 @@
 ## the automatic selection by odsread of one interface out of the
 ## supported ones: Java/ODFtoolkit ('OTK'), Java/jOpenDocument 
 ## ('JOD'), Java/UNO bridge ('UNO'), or native Octave (OCT; only for
-## reading). Octave selects one of these, preferrably in the order above,
-## based on presence of support software and the file at hand.
+## reading). Octave selects one of these, preferrably in the order
+## above, based on presence of support software and the file at hand.
 ##
 ## Erroneous data and empty cells are set to NaN in @var{numarr} and
 ## turn up empty in @var{txtarr} and @var{rawarr}. Date/time values
@@ -137,7 +138,8 @@
 ##     ''     Texinfo header adapted
 ## 2013-11-04 Better error message about unsupported file types
 ##     ''     Add .sxc to supported file types
-## 2013-12-01 Updated texinfo header
+## 2013-12-01 Updated texinfo header
+## 2014-04-13 Updated copyright strings and texinfo header
 
 function [ numarr, txtarr, rawarr, lim ] = odsread (filename, wsh=1, datrange=[], reqintf=[])
 

--- a/main/io/inst/odswrite.m	Sun Apr 13 10:21:30 2014 +0000
+++ b/main/io/inst/odswrite.m	Sun Apr 13 17:45:59 2014 +0000
@@ -1,4 +1,4 @@
-## Copyright (C) 2009,2010,2011,2012,2013 Philip Nienhuis <pr.nienhuis at users.sf.net>
+## Copyright (C) 2009,2010,2011,2012,2013,2014 Philip Nienhuis
 ##
 ## This program is free software; you can redistribute it and/or modify it under
 ## the terms of the GNU General Public License as published by the Free Software
@@ -59,15 +59,16 @@
 ## The optional last argument @var{reqintf} can be used to override 
 ## the automatic selection by odswrite of one interface out of the
 ## supported ones: Java/ODFtooolkit ('OTK'), Java/jOpenDocument ('JOD'),
-## or Java/OpenOffice.org ('UNO').
+## Java/OpenOffice.org ('UNO'), or native Octave ('OCT').
 ##
 ## odswrite is a mere wrapper for various scripts which find out what
-## ODS interface to use (ODF toolkit or jOpenDocument) plus code to mimic
-## the other brand's syntax. For each call to odswrite such an interface
-## must be started and possibly an ODS file loaded. When writing to multiple
-## ranges and/or worksheets in the same ODS file, a speed bonus can be
-## obtained by invoking those scripts (odsopen / octods / .... / odsclose)
-## directly.
+## ODS interface to use (ODF toolkit, jOpenDocument, Open/LibreOffice or
+## native Octave) plus code to mimic the other brand's xlswrite syntax
+## (and quirks).
+## For each call to odswrite such an interface must be started and
+## possibly an ODS file loaded. When writing to multiple ranges and/or
+## worksheets in the same ODS file, a speed bonus can be obtained by
+## invoking those scripts (odsopen / octods / .... / odsclose) directly.
 ##
 ## Example:
 ##
@@ -82,7 +83,7 @@
 ##
 ## @end deftypefn
 
-## Author: Philip Nienhuis
+## Author: Philip Nienhuis <pr.nienhuis at users.sf.net>
 ## Created: 2009-12-14
 ## Updates:
 ## 2010-01-14 Finalized write support tru ODS toolkit
@@ -97,7 +98,8 @@
 ## 2012-06-08 Tabs replaced by double space
 ## 2012-10-24 Style fixes
 ## 2013-12-18 Copyright string updates, style fixes
-## 2014-01-01 Drop file extension check
+## 2014-01-01 Drop file extension check
+## 2014-04-13 Updated copyright strings & texinfo header
 
 function [ rstatus ] = odswrite (filename, data, wsh=1, crange="", reqintf=[])
 

--- a/main/io/inst/xlsclose.m	Sun Apr 13 10:21:30 2014 +0000
+++ b/main/io/inst/xlsclose.m	Sun Apr 13 17:45:59 2014 +0000
@@ -1,4 +1,4 @@
-## Copyright (C) 2009,2010,2011,2012,2013 Philip Nienhuis <prnienhuis at users.sf.net>
+## Copyright (C) 2009,2010,2011,2012,2013,2014 Philip Nienhuis
 ##
 ## This program is free software; you can redistribute it and/or modify it under
 ## the terms of the GNU General Public License as published by the Free Software
@@ -56,7 +56,7 @@
 ##
 ## @end deftypefn
 
-## Author: Philip Nienhuis
+## Author: Philip Nienhuis <prnienhuis at users.sf.net>
 ## Created: 2009-11-29
 ## Updates: 
 ## 2010-01-03 (checked OOXML support)
@@ -81,7 +81,8 @@
 ## 2013-09-30 OCT interface added
 ## 2013-10-01 Warn for empty struct input
 ## 2013-12-29 Style fixes
-## 2014-01-01 Style fixes
+## 2014-01-01 Style fixes
+## 2014-04-13 Updated copyright strings
 
 function [ xls ] = xlsclose (xls, varargs)
 

--- a/main/io/inst/xlsopen.m	Sun Apr 13 10:21:30 2014 +0000
+++ b/main/io/inst/xlsopen.m	Sun Apr 13 17:45:59 2014 +0000
@@ -25,22 +25,20 @@
 ## Calling xlsopen without specifying a return argument is fairly useless!
 ##
 ## xlsopen works with interfaces, which are links to external software.
-## For reading from OOXML (Excel 2007 and up), ODS 1.2 and Gnumeric no
-## additional software is required when the OCT interface is used. For all
-## other spreadsheet formats and for writing to spreadsheet files, you need
-## MS-Excel (95 - 2013), or a Java JRE plus Apache POI >= 3.5 and/or JExcelAPI
+## For I/O from OOXML (Excel 2007 and up), ODS 1.2 and Gnumeric, no
+## additional software is required when the OCT interface is used (see below).
+## For all other spreadsheet formats, you need one or more of MS-Excel
+## (95 - 2013), or a Java JRE plus Apache POI >= 3.5 and/or JExcelAPI
 ## and/or OpenXLS and/or OpenOffice.org (or clones) installed on your computer
 ## + proper javaclasspath set. These interfaces are referred to as COM, POI,
 ## JXL, OXS, and UNO, resp., and are preferred in that order by default
-## (depending on their presence). The OCT interface has the lowest priority.
-## For OOXML read/write support, in addition to Apache POI support you also
-## need the following jars in your javaclasspath: poi-ooxml-schemas-3.5.jar,
-## xbean.jar and dom4j-1.6.1.jar (or later versions). Later OpenOffice.org
-## versions (UNO interface) have support for OOXML as well.
-## Excel'95 spreadsheets can only be read by JExcelAPI and OpenOffice.org.
-## For just reading OOXML (.xlsx or .xlsm), no Java or add-on packages are 
-## required; but currently you loose a bit of the flexibility of the other
-## interfaces.
+## (depending on their presence). Currently the OCT interface has the lowest
+## priority as it is still experimental.
+## For OOXML read/write support in principle no additional SW is needed.
+## However, the COM, POI and UNO interfaces may provide better OOXML write
+## performance and/or more flexibility.
+## Excel'95 spreadsheets (BIFF5) can only be read using the COM (Excel-ActiveX),
+## JXL (JExcelAPI), and UNO (Open-/LibreOffice) interfaces.
 ##
 ## @var{filename} should be a valid .xls or xlsx Excel file name (including
 ## extension). But if you use the COM interface you can specify any extension
@@ -49,9 +47,9 @@
 ## allowed. If @var{filename} does not contain any directory path, the file
 ## is saved in the current directory.
 ##
-## If @var{readwrite} is set to 0 (default value) or omitted, the Excel file
-## is opened for reading. If @var{readwrite} is set to True or 1, an Excel
-## file is opened (or created) for reading & writing.
+## If @var{readwrite} is set to 0 (default value) or omitted, the spreadsheet
+## file is opened for reading. If @var{readwrite} is set to true or 1, a
+## spreadsheet file is opened (or created) for reading & writing.
 ##
 ## Optional input argument @var{reqintf} can be used to override the Excel
 ## interface that otherwise is automatically selected by xlsopen. Currently
@@ -140,7 +138,8 @@
 ## 2014-01-01 Add .csv to supported file extensions
 ##     ''     Add warning that UNO will write ODS f. unsupported file extensions
 ##     ''     Copyright string update
-## 2014-02-02 Allow write support for OCT interface
+## 2014-02-02 Allow write support for OCT interface
+## 2014-04-13 Updated texinfo header
 
 function [ xls ] = xlsopen (filename, xwrite=0, reqinterface=[])
 

--- a/main/io/inst/xlsread.m	Sun Apr 13 10:21:30 2014 +0000
+++ b/main/io/inst/xlsread.m	Sun Apr 13 17:45:59 2014 +0000
@@ -1,4 +1,4 @@
-## Copyright (C) 2009,2010,2011,2012,2013 by Philip Nienhuis <prnienhuis at users.sf.net>
+## Copyright (C) 2009,2010,2011,2012,2013,2014 by Philip Nienhuis
 ##
 ## This program is free software; you can redistribute it and/or modify it under
 ## the terms of the GNU General Public License as published by the Free Software
@@ -33,7 +33,8 @@
 ## assumed to be in the current directory. The filename extension
 ## (.xls or .xlsx) must be included in the file name; when using the
 ## COM interface all file formats can be read that are supported by the
-## locally installed MS-Excel version (e.g., wk1, csv, dbf, etc.).
+## locally installed MS-Excel version (e.g., wk1, csv, dbf, etc.).
+## The same holds for UNO (OpenOffice.orgor LibreOffice).
 ##
 ## @var{range} is expected to be a regular spreadsheet range format,
 ## or "" (empty string, indicating all data in a worksheet).
@@ -72,20 +73,23 @@
 ## For reading from OOXML files a value of 'com', 'poi', 'uno', or 'oct'
 ## must be specified for @var{reqintf} (see help for xlsopen); for
 ## Excel'95 files use 'com', or if Excel is not installed use 'jxl',
-## 'basic' or 'uno' (POI can't read Excel 95 but will try to fall back
-## to JXL). As @var{reqintf} can also be a cell array of strings, one
-## can select or exclude one or more interfaces.
+## 'basic' or 'uno'. POI can't read Excel'95 but will try to fall back
+## to JXL. As @var{reqintf} can also be a cell array of strings, one
+## can select or exclude one or more interfaces.
+## In addition the OCT interface offers .gnumeric read support.
 ##
 ## Erroneous data and empty cells are set to NaN in @var{numarr} and
 ## turn up empty in @var{txtarr} and @var{rawarr}. Date/time values in
 ## Excel are returned as numerical values in @var{numarr}. Note that
 ## Excel and Octave have different date base values (1/1/1900 & 
-## 1/1/0000, resp.). Spreadsheet date values lying before 1/1/1900 are
-## returned as strings, formatted as they appear in the spreadsheet.
+## 1/1/0000, resp.). When using the COM interface, spreadsheet date
+## values lying before 1/1/1900 are returned as strings, formatted as
+## they appear in the spreadsheet.
 ## @var{numarr} and @var{txtarr} are trimmed from empty outer rows
 ## and columns. Be aware that Excel does the same for @var{rawarr}, 
 ## so any returned array may turn out to be smaller than requested in
-## @var{range}.
+## @var{range}. Use the fourth return argument @var{LIMS} for info on the
+## cell ranges your date came from.
 ##
 ## When reading from merged cells, all array elements NOT corresponding 
 ## to the leftmost or upper Excel cell will be treated as if the
@@ -127,7 +131,7 @@
 ##
 ## @end deftypefn
 
-## Author: Philip Nienhuis
+## Author: Philip Nienhuis <prnienhuis at users.sf.net>
 ## Created: 2009-10-16
 ## Updates: 
 ## 2009-12-29 bug fixes
@@ -151,7 +155,8 @@
 ## 2013-09-27 Proper spelling of input arg
 ## 2013-09-30 Header adapted to native OCT interface f xlsx
 ## 2013-12-20 Style fixes
-## 2013-12-27 In case of .csv fall back to csvread for lazy Matlab users
+## 2013-12-27 In case of .csv fall back to csvread for lazy Matlab users
+## 2014-04-13 Updated copyright strings & texinfo header
 
 function [ numarr, txtarr, rawarr, lims ] = xlsread (fn, wsh, datrange, reqintf=[])
 

--- a/main/io/inst/xlswrite.m	Sun Apr 13 10:21:30 2014 +0000
+++ b/main/io/inst/xlswrite.m	Sun Apr 13 17:45:59 2014 +0000
@@ -1,4 +1,4 @@
-## Copyright (C) 2009,2010,2011,2012,2013 Philip Nienhuis
+## Copyright (C) 2009,2010,2011,2012,2013,2014 Philip Nienhuis
 ##
 ## This program is free software; you can redistribute it and/or modify it under
 ## the terms of the GNU General Public License as published by the Free Software
@@ -40,7 +40,7 @@
 ## @var{wsh} can be a number or string (max. 31 chars).
 ## In case of a not yet existing Excel file, the first worksheet will be
 ## used & named according to @var{wsh} - the extra worksheets that Excel
-## normally creates by default are deleted.
+## usually creates by default are deleted (COM) or simply not created.
 ## In case of existing files, some checks are made for existing worksheet
 ## names or numbers, or whether @var{wsh} refers to an existing sheet with
 ## a type other than worksheet (e.g., chart).
@@ -65,9 +65,11 @@
 ## The optional last argument @var{reqintf} can be used to override 
 ## the automatic selection by xlswrite of one interface out of the
 ## supported ones: 'com' (ActiveX/Excel), 'poi' (Java/Apache POI), 'jxl'
-## (Java/JExcelAPI), or 'uno' (Java/OpenOffice.org). 'oxs' (Java/OpenXLS)
-## is implemented but disabled for writing as it is too buggy. For
-## writing to OOXML files (.xlsx) a value of 'com', 'poi' or 'uno' must
+## (Java/JExcelAPI), 'uno' (Java/OpenOffice.org), or 'OCT' (native Octave
+## w/o any external support software). 'oxs' (Java/OpenXLS) has been
+## implemented but disabled for writing OOXML as it is too buggy; for
+## BIFF8 (Excel '97 .xls) it works reliably. For writing to OOXML files
+## (.xlsx) a value of 'com', 'poi', 'uno', or 'oct' must
 ## be specified for @var{reqintf}. The value of @var{reqintf} is
 ## case-insensitive. Multiple interfaces can be selected if entered as
 ## a cell array of strings.
@@ -113,7 +115,8 @@
 ## 2012-04-21 Improve xls/xlsx suffix check
 ## 2013-12-07 Updated copyright string
 ##     ''     Check on empty file ptr struct after calling xlsopen
-## 2014-03-18 Convey full crange to oct2xls, not just topleft
+## 2014-03-18 Convey full crange to oct2xls, not just topleft
+## 2014-04-13 Update texinfo header
 
 function [ rstatus ] = xlswrite (filename, arr, arg3, arg4, arg5)