--- a/main/io/inst/chk_spreadsheet_support.m	Tue Apr 15 15:42:23 2014 +0000
+++ b/main/io/inst/chk_spreadsheet_support.m	Tue Apr 15 20:26:24 2014 +0000
@@ -91,10 +91,10 @@
 ## @end table
 ##
 ## Output:
-## @var{retval} = 0: only spreadsheet read support for OOXML,
-## ODS 1.2 and gnumeric present through OCT interface, or
+## @var{retval} = 0: only spreadsheet support for OOXML & ODS 1.2
+## and read support for gnumeric present through OCT interface, or
 ## @var{retval} <> 0: At least one read/write spreadsheet I/O
-## interface found.
+## interface found based on external software.
 ## RETVAL will be set to the sum of values for found interfaces:
 ## @example
 ##     0 = OCT (Native Octave)
@@ -170,6 +170,7 @@
 ## 2014-01-17 Tame messages about COM/ActiveX if dbug = 0
 ## 2014-04-06 Skip unojarpath search for UNO entries 4 and up; code style fixes
 ## 2014-04-14 Updated texinfo header & OCT r/w support messages
+## 2014-04-15 More updates to texinfo header
 
 function  [ retval, sinterfaces, loaded_jars ]  = chk_spreadsheet_support (path_to_jars, dbug, path_to_ooo)
 

--- a/main/io/inst/ods2oct.m	Tue Apr 15 15:42:23 2014 +0000
+++ b/main/io/inst/ods2oct.m	Tue Apr 15 20:26:24 2014 +0000
@@ -46,7 +46,7 @@
 ## @item "formulas_as_text"
 ## If set to TRUE or 1, spreadsheet formulas (if at all present)
 ## are read as formula strings rather than the evaluated formula
-## result values. This only works for the OTK and UNO interfaces.
+## result values. This only works for the OTK, UNO and OCT interfaces.
 ## The default value is 0 (FALSE).
 ##
 ## @item 'strip_array'
@@ -132,6 +132,7 @@
 ## 2013-12-01 Style fixes
 ## 2013-12-27 More style fixes
 ## 2014-04-13 Copyright string updated
+## 2014-04-15 More updates to texinfo header
 ##
 ## Latest subfunc update: 2012-10-12
 

--- a/main/io/inst/odsfinfo.m	Tue Apr 15 15:42:23 2014 +0000
+++ b/main/io/inst/odsfinfo.m	Tue Apr 15 20:26:24 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
@@ -16,16 +16,16 @@
 ## -*- texinfo -*-
 ## @deftypefn {Function File} [@var{filetype}] = odsfinfo (@var{filename} [, @var{reqintf}])
 ## @deftypefnx {Function File} [@var{filetype}, @var{sh_names}] = odsfinfo (@var{filename} [, @var{reqintf}])
-## Query an OpenOffice_org spreadsheet file @var{filename} (with ods
-## suffix) for some info about its contents.
+## Query an OpenOffice_org or Gnumeric spreadsheet file @var{filename}
+## (with ods or gnumeric suffix) for some info about its contents.
 ##
-## If @var{filename} is a recognizable OpenOffice.org spreadsheet file,
-## @var{filetype} returns the string "OpenOffice.org Calc spreadsheet",
-## or @'' (empty string) otherwise.
+## If @var{filename} is a recognizable OpenOffice.org or Gnumeric spreadsheet
+## file, @var{filetype} returns the string "OpenOffice.org Calc spreadsheet"
+## (or "Gnumeric spreadsheet"), or @'' (empty string) otherwise.
 ## 
-## If @var{filename} is a recognizable OpenOffice.org Calc spreadsheet
-## file, optional argument @var{sh_names} contains a list (cell array)
-## of sheet names contained in @var{filename}, in the order (from left
+## If @var{filename} is a recognizable OpenOffice.org Calc or Gnumeric
+## spreadsheet file, optional argument @var{sh_names} contains a list (cell
+## array) of sheet names contained in @var{filename}, in the order (from left
 ## to right) in which they occur in the sheet stack.
 ##
 ## If you omit return arguments @var{filetype} and @var{sh_names} altogether,
@@ -38,7 +38,7 @@
 ## used data ranges.
 ##
 ## By specifying a value of 'jod', 'otk', 'uno' or 'oct' for @var{reqintf} the
-## automatic selection of the java interface is bypassed and the specified
+## automatic selection of the Java interface is bypassed and the specified
 ## interface will be used (if at all present).
 ##
 ## Examples:

--- a/main/io/inst/odsopen.m	Tue Apr 15 15:42:23 2014 +0000
+++ b/main/io/inst/odsopen.m	Tue Apr 15 20:26:24 2014 +0000
@@ -35,25 +35,25 @@
 ## The relevant Java class libs for spreadsheet I/O had best be added to the
 ## javaclasspath by utility function chk_spreadsheet_support().
 ##
-## @var{filename} must be a valid .ods OpenOffice.org file name including
-## .ods suffix. If @var{filename} does not contain any directory path,
-## the file is saved in the current directory.
-## For UNO bridge, filenames need to be in the form "file:///<path_to_file>/filename";
+## @var{filename} must be a valid .ods OpenOffice.org Calc, or Gnumeric, file
+## name including .ods or .gnumeric suffix. If @var{filename} does not contain
+## any directory path, the file is saved in the current directory. For UNO
+## bridge, filenames need to be in the form "file:///<path_to_file>/filename";
 ## a URL will also work. If a plain file name is given (absolute or relative),
-## odsopen() will transform it into proper form.
+## odsopen() will try to transform it into proper form.
 ##
 ## @var{readwrite} must be set to true or numerical 1 if writing to spreadsheet
 ## is desired immediately after calling odsopen(). It merely serves proper
 ## handling of file errors (e.g., "file not found" or "new file created").
 ##
 ## Optional input argument @var{reqintf} can be used to override the ODS
-## interface automatically selected by odsopen. Currently implemented interfaces
-## are 'OTK' (Java/ODF Toolkit), 'JOD' (Java/jOpenDocument), 'UNO'
-## (Java/OpenOffice.org UNO bridge), and 'OCT' (native Octave, only reading).
-## In most situations this parameter is unneeded as odsopen automatically
-## selects the most useful interface present ("default interface").
-## Depending on file type, odsopen.m can invoke other detected interfaces than
-## the default one.
+## interface automatically selected by odsopen. Currently implemented
+## interfaces are 'OTK' (Java/ODF Toolkit), 'JOD' (Java/jOpenDocument), 'UNO'
+## (Java/OpenOffice.org UNO bridge), and 'OCT' (native Octave, for Gnumeric
+## only reading). In most situations this parameter is unneeded as odsopen
+## automatically selects the most useful interface present ("default
+## interface"). Depending on file type, odsopen.m can invoke other detected
+## interfaces than the default one.
 ##
 ## Beware:
 ## The UNO interface is still experimental. While in itself reliable, it may
@@ -137,6 +137,7 @@
 ##     ''     Copyright string update
 ## 2014-01-23 OCT ods write support for .ods
 ## 2014-04-14 Update texinfo header
+## 2014-04-15 More updates to texinfo header
 
 function [ ods ] = odsopen (filename, rw=0, reqinterface=[])
 

--- a/main/io/inst/odsread.m	Tue Apr 15 15:42:23 2014 +0000
+++ b/main/io/inst/odsread.m	Tue Apr 15 20:26:24 2014 +0000
@@ -42,8 +42,8 @@
 ## the filename extension (.ods).
 ##
 ## @var{wsh} is either numerical or text, in the latter case it is 
-## case-sensitive and it should conform to OpenOffice.org Calc sheet
-## name requirements.
+## case-sensitive and it should conform to OpenOffice.org Calc or
+## Gnumeric sheet name requirements.
 ## 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
@@ -65,9 +65,9 @@
 ## The optional last argument @var{reqintf} can be used to override 
 ## 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.
+## ('JOD'), Java/UNO bridge ('UNO'), or native Octave (OCT). 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
@@ -78,7 +78,8 @@
 ## .ods format by OpenOffice.org Calc may have different date base
 ## values.
 ## As there's no gnumeric formula evaluator and gnumeric doesn't store
-## cached formula results, formulas are returned as text strings.
+## cached formula results, formulas are returned as text strings when
+## reading from Gnumeric files.
 ##
 ## @var{numarr} and @var{txtarr} are trimmed from empty outer rows
 ## and columns, so any returned array may turn out to be smaller than
@@ -140,6 +141,7 @@
 ##     ''     Add .sxc to supported file types
 ## 2013-12-01 Updated texinfo header
 ## 2014-04-13 Updated copyright strings and texinfo header
+## 2014-04-15 More updates to texinfo header
 
 function [ numarr, txtarr, rawarr, lim ] = odsread (filename, wsh=1, datrange=[], reqintf=[])
 

--- a/main/io/inst/xlsclose.m	Tue Apr 15 15:42:23 2014 +0000
+++ b/main/io/inst/xlsclose.m	Tue Apr 15 20:26:24 2014 +0000
@@ -37,10 +37,10 @@
 ## an other file than opened with xlsopen(); unfortunately this doesn't work
 ## with JXL (JExcelAPI) interface.
 ##
-## You need MS-Excel (95 - 2010), and/or the Java package => 1.2.8 plus Apache
-## POI > 3.5 and/or JExcelAPI and/or OpenXLS and/or OpenOffice.org or clones
-## installed on your computer + proper javaclasspath set, to make this
-## function work at all.
+## For other file formats than OOXML and ODS, you need MS-Excel (95 - 2010),
+## and/or the Java package => 1.2.8 plus Apache POI > 3.5 and/or JExcelAPI
+## and/or OpenXLS and/or OpenOffice.org or clones installed on your computer
+## + proper javaclasspath set, to make this function work at all.
 ##
 ## @var{xls} must be a valid pointer struct made by xlsopen() in the same
 ## octave session.

--- a/main/io/inst/xlsfinfo.m	Tue Apr 15 15:42:23 2014 +0000
+++ b/main/io/inst/xlsfinfo.m	Tue Apr 15 20:26:24 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
@@ -48,9 +48,11 @@
 ## info and/or different treatment of empty but formatted cells, each
 ## interfaces may give different results).
 ##
-## For use on OOXML spreadsheets one needs full POI and/or UNO support (see
-## xlsopen) and 'poi' or 'uno' needs to be specified for @var{reqintf}. For
-## Excel 95 file use 'jxl' or 'uno'.
+## For OOXML spreadsheets no external SW is required but full POI and/or
+## UNO support (see xlsopen) may work better or faster; to use those specify
+## 'poi' or 'uno' for @var{reqintf}. For Excel 95 files use 'com' (windows
+## only), 'jxl' or 'uno'. Gnumeric files can be explored with the built-in
+## OCT interface (no need to specify @var{reqintf} then).
 ##
 ## Examples:
 ##
@@ -69,7 +71,7 @@
 ##
 ## @end deftypefn
 
-## Author: Philip Nienhuis <prnienhuis@users.sourceforge.net>
+## Author: Philip Nienhuis <prnienhuis at users.sourceforge.net>
 ## Created: 2009-10-27
 ## Updates:
 ## 2009-01-01 Echo sheet names to screen, request interface type)
@@ -90,7 +92,9 @@
 ## 2012-10-24 Style fixes
 ## 2013-10-01 OCT interface added for gnumeric
 ## 2013-12-01 Style fixes & support for more file types than just Excel
-## 2013-12-29 Style fixes
+## 2013-12-29 Style fixes
+## 2014-04-15 Updates to texinfo header
+
 
 function [ filetype, sh_names, fformat ] = xlsfinfo (filename, reqintf=[])
 

--- a/main/io/inst/xlsread.m	Tue Apr 15 15:42:23 2014 +0000
+++ b/main/io/inst/xlsread.m	Tue Apr 15 20:26:24 2014 +0000
@@ -70,8 +70,8 @@
 ## ones: COM/Excel, Java/Apache POI, Java/JExcelAPI, Java/OpenXLS, 
 ## Java/UNO (OpenOffice.org), or native Octave (in that -built in-
 ## order of preference).
-## For reading from OOXML files a value of 'com', 'poi', 'uno', or 'oct'
-## must be specified for @var{reqintf} (see help for xlsopen); for
+## For I/O to/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
@@ -156,7 +156,8 @@
 ## 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
-## 2014-04-13 Updated copyright strings & texinfo header
+## 2014-04-13 Updated copyright strings & texinfo header
+## 2014-04-15 More updates to texinfo header
 
 function [ numarr, txtarr, rawarr, lims ] = xlsread (fn, wsh, datrange, reqintf=[])