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gle: add updated package for graphics/gle



Module Name:	pkgsrc-wip
Committed By:	Thomas Klausner <wiz%NetBSD.org@localhost>
Pushed By:	wiz
Date:		Fri Dec 4 23:53:55 2015 +0100
Changeset:	54387b70ec9d575e0e72af281504d649c9b9d41f

Modified Files:
	Makefile
Added Files:
	gle/DESCR
	gle/Makefile
	gle/PLIST
	gle/buildlink3.mk
	gle/distinfo
	gle/log

Log Message:
gle: add updated package for graphics/gle

log is included; but xscreensaver does not detect this any longer,
since the library is not built.

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=54387b70ec9d575e0e72af281504d649c9b9d41f

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 Makefile          |   1 +
 gle/DESCR         |   7 +
 gle/Makefile      |  28 ++
 gle/PLIST         |  92 ++++++
 gle/buildlink3.mk |  20 ++
 gle/distinfo      |   6 +
 gle/log           | 904 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 7 files changed, 1058 insertions(+)

diffs:
diff --git a/Makefile b/Makefile
index 6cef663..c189afd 100755
--- a/Makefile
+++ b/Makefile
@@ -829,6 +829,7 @@ SUBDIR+=	gjots2
 SUBDIR+=	gjs
 SUBDIR+=	gksu
 SUBDIR+=	glade2-nognome
+SUBDIR+=	gle
 SUBDIR+=	glfw
 SUBDIR+=	glib-java
 SUBDIR+=	glibc
diff --git a/gle/DESCR b/gle/DESCR
new file mode 100644
index 0000000..b6b11a2
--- /dev/null
+++ b/gle/DESCR
@@ -0,0 +1,7 @@
+  The GLE Tubing and Extrusion Library is a graphics application
+programming interface (API).  The library consists of a number of "C"
+language subroutines for drawing tubing and extrusions.  The library is
+distributed in source code form, in a package that includes documentation,
+a VRML proposal, Makefiles, and full source code and header files.  It
+uses the OpenGL (TM) programming API to perform the actual drawing of the
+tubing and extrusions.
diff --git a/gle/Makefile b/gle/Makefile
new file mode 100644
index 0000000..c84e1b0
--- /dev/null
+++ b/gle/Makefile
@@ -0,0 +1,28 @@
+# $NetBSD: Makefile,v 1.31 2015/04/25 14:23:11 tnn Exp $
+
+DISTNAME=	gle-graphics-4.2.5-src
+PKGNAME=	${DISTNAME:S/-graphics//:S/-src//}
+CATEGORIES=	graphics
+MASTER_SITES=	${MASTER_SITE_SOURCEFORGE:=glx/} \
+		http://www.linas.org/gle/pub/
+
+MAINTAINER=	pkgsrc-users%NetBSD.org@localhost
+HOMEPAGE=	http://www.linas.org/gle/
+COMMENT=	GL subroutines for drawing tubing and extrusions
+
+WRKSRC=		${WRKDIR}/${DISTNAME:S/-src//}
+GNU_CONFIGURE=		yes
+USE_LIBTOOL=		yes
+USE_LANGUAGES=		c c++
+USE_TOOLS+=		gmake
+
+PKGCONFIG_OVERRIDE=	platform/autoconf/gle-graphics.pc.in
+
+# GLUT is used only by the examples, which aren't built or installed.
+#.include "../../graphics/glut/buildlink3.mk"
+.include "../../graphics/glu/buildlink3.mk"
+.include "../../graphics/MesaLib/buildlink3.mk"
+.include "../../x11/libXi/buildlink3.mk"
+.include "../../x11/libXmu/buildlink3.mk"
+.include "../../x11/libXt/buildlink3.mk"
+.include "../../mk/bsd.pkg.mk"
diff --git a/gle/PLIST b/gle/PLIST
new file mode 100644
index 0000000..cfaefb7
--- /dev/null
+++ b/gle/PLIST
@@ -0,0 +1,92 @@
+@comment $NetBSD$
+bin/gle
+bin/manip
+lib/pkgconfig/gle-graphics.pc
+man/man1/gle.1
+share/gle-graphics/${PKGVERSION}/bin/gle
+share/gle-graphics/${PKGVERSION}/bin/glebtool
+share/gle-graphics/${PKGVERSION}/bin/manip
+share/gle-graphics/${PKGVERSION}/font/font.dat
+share/gle-graphics/${PKGVERSION}/font/glemark.fmt
+share/gle-graphics/${PKGVERSION}/font/glemark.fve
+share/gle-graphics/${PKGVERSION}/font/psagb.fmt
+share/gle-graphics/${PKGVERSION}/font/psagbo.fmt
+share/gle-graphics/${PKGVERSION}/font/psagd.fmt
+share/gle-graphics/${PKGVERSION}/font/psagdo.fmt
+share/gle-graphics/${PKGVERSION}/font/psbd.fmt
+share/gle-graphics/${PKGVERSION}/font/psbdi.fmt
+share/gle-graphics/${PKGVERSION}/font/psbl.fmt
+share/gle-graphics/${PKGVERSION}/font/psbli.fmt
+share/gle-graphics/${PKGVERSION}/font/psc.fmt
+share/gle-graphics/${PKGVERSION}/font/pscb.fmt
+share/gle-graphics/${PKGVERSION}/font/pscbo.fmt
+share/gle-graphics/${PKGVERSION}/font/psco.fmt
+share/gle-graphics/${PKGVERSION}/font/psfont.dat
+share/gle-graphics/${PKGVERSION}/font/psh.fmt
+share/gle-graphics/${PKGVERSION}/font/pshb.fmt
+share/gle-graphics/${PKGVERSION}/font/pshbo.fmt
+share/gle-graphics/${PKGVERSION}/font/pshn.fmt
+share/gle-graphics/${PKGVERSION}/font/pshnb.fmt
+share/gle-graphics/${PKGVERSION}/font/pshnbo.fmt
+share/gle-graphics/${PKGVERSION}/font/pshno.fmt
+share/gle-graphics/${PKGVERSION}/font/psho.fmt
+share/gle-graphics/${PKGVERSION}/font/psncsb.fmt
+share/gle-graphics/${PKGVERSION}/font/psncsbi.fmt
+share/gle-graphics/${PKGVERSION}/font/psncsi.fmt
+share/gle-graphics/${PKGVERSION}/font/psncsr.fmt
+share/gle-graphics/${PKGVERSION}/font/pspb.fmt
+share/gle-graphics/${PKGVERSION}/font/pspbi.fmt
+share/gle-graphics/${PKGVERSION}/font/pspi.fmt
+share/gle-graphics/${PKGVERSION}/font/pspr.fmt
+share/gle-graphics/${PKGVERSION}/font/pssym.fmt
+share/gle-graphics/${PKGVERSION}/font/pstb.fmt
+share/gle-graphics/${PKGVERSION}/font/pstbi.fmt
+share/gle-graphics/${PKGVERSION}/font/psti.fmt
+share/gle-graphics/${PKGVERSION}/font/pstr.fmt
+share/gle-graphics/${PKGVERSION}/font/pszcmi.fmt
+share/gle-graphics/${PKGVERSION}/font/pszd.fmt
+share/gle-graphics/${PKGVERSION}/font/texcmb.fmt
+share/gle-graphics/${PKGVERSION}/font/texcmb.fve
+share/gle-graphics/${PKGVERSION}/font/texcmex.fmt
+share/gle-graphics/${PKGVERSION}/font/texcmex.fve
+share/gle-graphics/${PKGVERSION}/font/texcmitt.fmt
+share/gle-graphics/${PKGVERSION}/font/texcmitt.fve
+share/gle-graphics/${PKGVERSION}/font/texcmmi.fmt
+share/gle-graphics/${PKGVERSION}/font/texcmmi.fve
+share/gle-graphics/${PKGVERSION}/font/texcmr.fmt
+share/gle-graphics/${PKGVERSION}/font/texcmr.fve
+share/gle-graphics/${PKGVERSION}/font/texcmsl.fmt
+share/gle-graphics/${PKGVERSION}/font/texcmss.fmt
+share/gle-graphics/${PKGVERSION}/font/texcmss.fve
+share/gle-graphics/${PKGVERSION}/font/texcmssb.fmt
+share/gle-graphics/${PKGVERSION}/font/texcmssb.fve
+share/gle-graphics/${PKGVERSION}/font/texcmssi.fmt
+share/gle-graphics/${PKGVERSION}/font/texcmssi.fve
+share/gle-graphics/${PKGVERSION}/font/texcmsy.fmt
+share/gle-graphics/${PKGVERSION}/font/texcmsy.fve
+share/gle-graphics/${PKGVERSION}/font/texcmti.fmt
+share/gle-graphics/${PKGVERSION}/font/texcmti.fve
+share/gle-graphics/${PKGVERSION}/font/texcmtt.fmt
+share/gle-graphics/${PKGVERSION}/font/texcmtt.fve
+share/gle-graphics/${PKGVERSION}/gleinc/barcode.gle
+share/gle-graphics/${PKGVERSION}/gleinc/barstyles.gle
+share/gle-graphics/${PKGVERSION}/gleinc/color.gle
+share/gle-graphics/${PKGVERSION}/gleinc/compat/colors-gle-4.0.12.gle
+share/gle-graphics/${PKGVERSION}/gleinc/compatibility.gle
+share/gle-graphics/${PKGVERSION}/gleinc/contour.gle
+share/gle-graphics/${PKGVERSION}/gleinc/electronics.gle
+share/gle-graphics/${PKGVERSION}/gleinc/ellipse.gle
+share/gle-graphics/${PKGVERSION}/gleinc/feyn.gle
+share/gle-graphics/${PKGVERSION}/gleinc/graphutil.gle
+share/gle-graphics/${PKGVERSION}/gleinc/include_en.gle
+share/gle-graphics/${PKGVERSION}/gleinc/matrix_3D.gle
+share/gle-graphics/${PKGVERSION}/gleinc/piesub.gle
+share/gle-graphics/${PKGVERSION}/gleinc/polarplot.gle
+share/gle-graphics/${PKGVERSION}/gleinc/shape.gle
+share/gle-graphics/${PKGVERSION}/gleinc/simpletree.gle
+share/gle-graphics/${PKGVERSION}/gleinc/stm.gle
+share/gle-graphics/${PKGVERSION}/gleinc/tree.gle
+share/gle-graphics/${PKGVERSION}/gleinc/ziptext.gle
+share/gle-graphics/${PKGVERSION}/glerc
+share/gle-graphics/${PKGVERSION}/init.tex
+share/gle-graphics/${PKGVERSION}/manip.hlp
diff --git a/gle/buildlink3.mk b/gle/buildlink3.mk
new file mode 100644
index 0000000..4d7d07d
--- /dev/null
+++ b/gle/buildlink3.mk
@@ -0,0 +1,20 @@
+# $NetBSD: buildlink3.mk,v 1.13 2015/04/25 14:23:11 tnn Exp $
+
+BUILDLINK_TREE+=	gle
+
+.if !defined(GLE_BUILDLINK3_MK)
+GLE_BUILDLINK3_MK:=
+
+BUILDLINK_API_DEPENDS.gle+=		gle>=3.0.3
+BUILDLINK_ABI_DEPENDS.gle+=	gle>=3.1.0nb4
+BUILDLINK_PKGSRCDIR.gle?=	../../graphics/gle
+
+# GLUT is used only by the examples, which aren't built or installed.
+#.include "../../graphics/glut/buildlink3.mk"
+.include "../../graphics/glu/buildlink3.mk"
+.include "../../graphics/MesaLib/buildlink3.mk"
+.include "../../x11/libXmu/buildlink3.mk"
+.include "../../x11/libXt/buildlink3.mk"
+.endif # GLE_BUILDLINK3_MK
+
+BUILDLINK_TREE+=	-gle
diff --git a/gle/distinfo b/gle/distinfo
new file mode 100644
index 0000000..ecb44d6
--- /dev/null
+++ b/gle/distinfo
@@ -0,0 +1,6 @@
+$NetBSD: distinfo,v 1.10 2015/11/03 21:34:00 agc Exp $
+
+SHA1 (gle-graphics-4.2.5-src.tar.gz) = b5fda634d94d90c95ba14afcda562ec4cd9c1d52
+RMD160 (gle-graphics-4.2.5-src.tar.gz) = 518563269d987c78d60fce94b381536dad27dc52
+SHA512 (gle-graphics-4.2.5-src.tar.gz) = 0bb7e7ad7432c412b4d676f3ea21d15afa4aaf0075afd9ce0942fced8e3c48f122563e84f71d0093e590a635d42c444141982a3707c0428b1edd4ab04f4bbde7
+Size (gle-graphics-4.2.5-src.tar.gz) = 2330236 bytes
diff --git a/gle/log b/gle/log
new file mode 100644
index 0000000..e90f9af
--- /dev/null
+++ b/gle/log
@@ -0,0 +1,904 @@
+4.2.5 (August 2015)
+
+Bug Fixes
+    Force locale to "C" in QGLE
+    Apply patch by Chris Ward to make GLE build with GCC5
+    Fixed #53 Segfault when non-ASCII characters and Tex labels enabled
+    Take key (outside graph) into account when doing "scale auto"
+    Fixed "end if" not allowed before size command
+    Fixed rounding error in colormap command
+    Fixed bug in zmin/zmax arguments for colormap with a function
+    Fixed bug #50: GLE axis auto scaling does not take error bars into account
+    Fixed bug #52: Error bars should be clipped to the graph window
+    Fixed filling problem (-nomaxpath no longer needed for fills)
+    Fixed bug #54: GLE overwrites .tex file
+    Fixed Rotated y2labels does not work (reported by Viachara Amirdayl)
+    Fixed 'shade' fill option does not work (reported by Ben Lobo)
+    Fixed "xnames from di": don't show labels twice
+    Bug 3494736: QGLE terminates trying to create new file
+    Implemented patch to use RTLD_DEEPBIND for dlopen
+    Fixed all compiler warnings (gcc 4.7.0)
+    Corrected formatting of 3D axis labels (bug reported by Nick Pomponio)
+    Strip should use --strip-unneeded for library (Reported by Christian T. Steigies)
+    Attempt to fix: Bug 669161: gle-graphics: FTBFS on sparc
+
+New Features
+    Dynamic typing and type checking in the expression evaluator
+    Allow d[i] in let expression
+    Added ndatasets() function
+    Support for .gz data files in colormap command
+    Added colormap option "interpolate nearest" (based on patch by Brandon Aubie)
+    Made colormap take into account x/yaxis options such as log and negate
+    Added barcode.gle (by Jan Soubusta)
+    Added autocolor function to graphutil.gle
+    Added polar_segment to polar.gle
+    Improvements to the device$() function (suggested by Elrond)
+    Bitmap caching in the Cairo device (suggested by Alexis Letessier)
+    Added "-inverse" option to inverse black / white colors (based on patch by Brandon Aubie)
+    Adds "percent" number formatting option (patch by Brandon Aubie)
+    Adds "textcolor" to the key block (patch by Brandon Aubie)
+    QGLE monitors include and data files and updates preview if these change
+
+4.2.4c (March, 2012)
+
+Bug Fixes
+
+    Added checks on number of data sets, bar definitions, and fill definitions (QGLE crash reports 02/07/2012 and 02/16/2012)
+    Save .glerc in user's AppData on Windows
+    Added manifest to prevent AUC Virtualization on Windows Vista and above
+    Search "C:\Program Files (x86)" on 64 bit Windows for installed software
+    Fixed type in manual: logfit -> logefit
+    Fixed bug in tokenizer
+    Fixed crash when parsing "let d1 = x.x" (QGLE crash report 02/28/2012)
+    Fix for message "QWidget::setWindowModified: The window title does not contain a '[*]' placeholder"
+    Fixed bug in centering of .inc output (reported by Antonio DiCesare)
+    Bug 3485409: GLE should check for Cairo version >= 1.10.0
+    Added Python script to generate GLE palette functions (contributed by Brandon Aubie)
+    Fixed "too many open files" when including bitmaps in filled boxes (reported by Alexis Letessier)
+    Fixed issue with filled boxes (reported by Alexis Letessier)
+    Make GLE compile with GCC 4.7.x (issue raised by Terje R�)
+    Support other 64bit systems besides x86
+    Fixed more GLU problems introduced in Qt4.8
+
+4.2.4b (January, 2012)
+
+Bug Fixes
+
+   Added GLU dependency to make GLE compile with Qt4.8
+   Fixed bug in fallback to "texcmr" when using -cairo
+   Fixed crash due to subroutine argument type mismatch
+
+4.2.4 (January, 2012)
+
+New Features
+
+    "Marker only" 3D plots (patch by Laurence Abbott)
+    Added "discontinuity threshold" option to graph block
+    Added "draw" command to graph block
+    Added "msize" option to box plots (request by Nicolas Lerme)
+    Added GLE-TeX symbols \uparrow, \downarrow, \updownarrow, \Uparrow, \Downarrow, \Updownarrow, and \backslash
+    Added changes by Pascal Buescher to feyn.gle
+    Added functions rgba() and rgba255()
+    Added functions xg3d() and yg3d()
+    Always embed all fonts in PDFs
+    Cairo (www.cairographics.org) rendering now available in QGLE
+    Control constructs (e.g., if-then-else and for-next) can be used in graph and key blocks
+    Feature #3174151: Variable justification
+    GNU/Hurd now officially supported
+    Multiple layers in graph blocks
+    New "begin length" block to compute curve length
+    New CSV file reader with better error handling and wider CSV format support (including Microsoft Excel)
+    Option "-cairo" can now be combined with LaTeX expressions
+    Semi-transparent colors (also known as alpha blending)
+    Support for "key separator" in graph blocks
+    Use Poppler PDF library for rendering in QGLE and for image exports
+    Support GZIP compressed CSV data in graph blocks
+    QGLE export dialog remembers resolution and other settings
+    Better definition of circle style markers (including "dot")
+    Added support for arc arrow heads in QGLE edit mode
+
+Bug Fixes
+
+    Fix for "QGLE does not support bold / italic fonts" (aka "set font rm" insertion problem)
+    Bug #3101026: Fixes for possible buffer overflows
+    Bug #3344819: Marker line width is different in legend
+    Fix for bug in number formatting (part before 10^x missing)
+    Fix for compiler error on std::min/max (suggested by Laurence Abbott)
+    Fixed \leftarrow kerning problem
+    Patch by Michal Vyskocil: Use QMAKE_LIBS_DYNLOAD
+    Subticks are now generated over the entire axis range
+    g_bitmap now also works with "-cairo"
+    Bug #3434175: Turning on sublabels produces wrong width of some subticks
+    Fixed bug in when QGLE edits scripts with filled boxes
+
+4.2.3 (September, 2010)
+
+    #3058793: y1axis dominates the plot (lin/log) bound to y2axis
+    #2782744: Automatic tick labels with latex
+    Fixed compilation on Mac OS/X
+    The graph block's "data" command now understands column c0, which contains the data set's line numbers
+    #2996854: Missing a few multiple bars
+    Fixed: xend()/yend() do not work in QGLE's edit mode
+    QGLE's about box has been improved and shows license and contributors in separate tabs
+    Graph command 'xsubticks length' now overrides 'xaxis grid'
+    Fixed: key block with 'fill' incorrectly changes the 'set fill' value
+    #2995351: Unwanted vertical space generated in graph module
+    Added "background" command to graph block to set the background color
+    #2949503: Fixed a number of errors in the GLE 4.2.2 manual
+    #2950381: Allow "marker m$" with m$ a string variable in the graph block
+    #2949642: Log axis sub tick font size should be based on the "alabelscale" setting
+    #2949495: Access to environment variables: added getenv() command and allow $ENVVAR in file names
+    Added support for single quoted strings
+    Escaping single and double quote characters in strings now works by doubling them
+    Experimental support for EMF output (the vector format on Windows).
+    New QGLE menu entry "Edit | Copy as EMF" to copy the diagram to the clipboard on Windows.
+
+4.2.2 (January, 2010)
+
+New Features
+
+    Windows installer can now copy settings from a previous GLE install thereby avoiding the long 'find dependencies' process.
+    Support \'' style umlauts in LaTeX expressions (bug #2858424).
+    Additional command line options for GhostScript/PDFLaTeX/LaTeX/DVIPS can now be specified in the "glerc" settings file
+    GLE now expands environment variables in the tool paths specified in the "glerc" settings file.
+
+Bug Fixes
+
+    QGLE now no longer modifies the string argument of "write" if a text string is moved or one of its properties is changed.
+    GLE now compiles with "-Wl,--no-add-needed" and hopefully also with binutils-gold.
+    Fixed GLE crash on illegal font name.
+    Fixed GLE crash on certain scripts with error bars.
+    Fixed regression in key block in 3.5 compatibility mode.
+    Diamond markers are now also centered in 3.5 emulation mode.
+    QGLE now sets the locale such that the decimal point indicator is "." (workaround "export LC_ALL=C").
+    Fixed crash in certain bar graphs (reported by Massimo Canonico).
+
+4.2.1 (August, 2009)
+
+New Features
+
+    Added "from/to/step" options to "values" command of "contour" block.
+    Number of available datasets increased from 100 to 1000 (patch by Laurence Abbott).
+    Added "reload" button to QGLE.
+    Added "key off" to turn off the key of a graph block (Feature #2781887).
+    Added "ylabels align left" to align all labels left (right is the default).
+    Added support for FreeBSD (Bug #2786222).
+    Added support for --docdir configure option.
+    Changed package name to "gle-graphics" and distribute GLE's source code as .tar.gz.
+    Moved plotter fonts to a separate package (./configure --with-extrafonts=yes to enable these).
+    Added license information to all files where this can be done easily.
+    Replaced font metrics files for core PostScript fonts with a set that is freely available from Adobe.
+    Manual can now be compressed and installed as "gle-manual.pdf.gz".
+    Configure script checks for "qmake-qt4" before checking for "qmake".
+
+Bug Fixes
+
+    Arrowhead not drawn correctly when using dashed line (#2838971).
+    Fixed problem in TeX macro substitution (#2838978).
+    Curve with zero distance control points should be straight line #2838965).
+    Added support for operations on arbitrary length strings.
+    More commands are now allowed to come before the "size" command (e.g., bitmap_info).
+    Improved routine for determining axis tick labels.
+    Fixed QGLE crash on key block error (e.g., entry with no text).
+    QGLE no longer crashes when "Save As" is selected while an EPS (not GLE) file is loaded.
+    QGLE fix for the case that a "recent file" is opened that no longer exists.
+    Fixed crash in "postscript" include command if bounding box is at the end of the EPS.
+    The "clean" target now removes all files generated by "make".
+    A "distclean" target has been added to also remove all files generated by "./configure".
+    Replaced calls to "make" with "$(MAKE)" to handle the case that GNU make is "gmake".
+    Added range checks for "from" "to" and "step" for the "letz" and "fitz" blocks.
+
+4.2.0 (April, 2009)
+
+New Features
+
+    Added "range" and "nsteps" options to the graph block's let command.
+    Added functions file$() and path$() to retrieve the script's name and path (suggested by J�Baumgartner).
+    Added function isname() that tests if its argument is a named point or object.
+    Added "set background" to set background color of shade / grid filling patterns.
+    Added "background" to bar command and key block.
+    Added "set fillmethod", which can be "GLE" (more accurate) or "PostScript" (faster).
+    Source distribution now includes syntax highlighting patterns (in contrib/editors/).
+    Source distribution now includes the GLE manual (compile with "make doc").
+    Adds "ylabels log n1" to enable subticks without labels on a log scale axis (patch by Luca Donetti).
+    Adds option "adist" to "x/ytitle" to set the distance between the title and axis (useful for aligning axis titles of multiple graphs).
+    Support for multi-dimensional let (#2008719).
+    (See: let-multi-dim.gle.)
+    Support for stdin/stdout (#2009125).
+    E.g., cat file.gle | gle -d pdf - > file.pdf
+    E.g., cat file.gle | gle -o file.pdf -
+    Experimental support for objects with named points.
+    (See: transistor.gle, shapes.gle.)
+    Scalable Vector Graphics (SVG) output device (-d svg).
+    Engineering format "eng" for the format$ function and axis format option.
+    (See: axisformat.gle.)
+    Quantile based axis auto-scaling (by Florian Wisser).
+    New axis command: "roundrange on/off" to disable rounding the axis range to the next tick.
+    New key block mode: "compact", which combines "marker" and "line" in one column.
+    New key block setting: "background", which sets the background color.
+    Key box is now transparent (only for keys defined within the graph block).
+    Adds function "atan2" (#1881021).
+    QGLE is now available on MacOS/X (installation instructions).
+    "File | Edit" menu added to QGLE for easy access to files included in GLE script.
+    "Edit | Copy as Bitmap" menu added to copy the diagram to the clipboard.
+    Adds entries to QGLE's help menu to display the GLE manual and website.
+    GUI for detecting GLE's software dependencies (GhostScript and LaTeX).
+    Automatically infer device from extension of "-o" option, which specifies the output name.
+    DSC comments for title and creator added to PostScript/EPS/PDF output.
+    Includes HiResBoundingBox in PostScript output.
+    Better support for UTF8 accents in LaTeX expressions (use \usepackage[utf8]{inputenc}).
+    Command line option "-noligatures" to disable the use of ligatures for "fl" and "fi". 
+
+Bug Fixes
+
+    Fix for stack corruption in PSGLEDevice::read_psfont() (bug #2543164).
+    GLE now creates .inc file if -inc is given and script does not contain TeX expressions (bug #2165591).
+    Fix for smooth crash in case of too few data and missing values (reported by Cilliers Kruger).
+    Fix for 3D plot bounding box (reported by Brandon Aubie).
+    Fix for QGLE compilation on MacOS/X: add "-spec macx-g++" to qmake (suggested by Mol Lukas).
+    Fix for "xsubticks lwidth" also affecting the line width of the main ticks.
+    Fix for the "strip" target in Makefile.in (by Michal Vyskocil).
+    Auto-ranging now also works for x2axis/y2axis (#1933925).
+    GLE can't handle filenames with a dot (#2015073).
+    Fix for auto-range function with data sets with no spread (suggested by Florian Wisser).
+    Fix for "nox" option of "data" command of graph block.
+    Fixes for incorrect code points in GLE's Unicode table (o.a., for "�    Combining "clip" + "fill" in "begin path/end path" does not perform the requested fill.
+    Command line option "-noctrl-d" and some others are not documented in GLE's man page and "-help" output.
+    Landscape detection PS mode is now more robust.
+    Fixes for all warnings new in GCC 4.3.0. 
+
+4.1.2 (March, 2008)
+
+    GLE fails to read certain JPG files (bitmap command).
+    Colormap command does not work for non-square .z files.
+    Bug "rotate + tex = misplacement of text" (#1881020).
+    Patch to make GLE compile with gcc 4.3 (include limits.h) (by Terje R�).
+    QGLE's export fails if path contains a space or '.' character. 
+
+4.1.1 (January, 2008)
+
+    Smooth option of "dn line" fixed for log-scale graphs (Bug #1860761).
+    Patches to make GLE compile with gcc 4.3 (by Michal Vyskocil).
+    Patches to make GLE work on 64 bit machines with "lib64" dir (by Michal Vyskocil).
+    Fix for GhostScript problem in QGLE on 64 bit machines. 
+
+4.1.0 (December, 2007)
+ 
+Detailed Changes
+
+    Added man page (now "man gle" should work on Linux).
+    Added option "-verbosity" to set the amount of console output produced by GLE.
+    Grid is now by default under the bars (use "grid ontop" to get the old behavior).
+    Added "boxcolor" command to key block to set the color of the box indicating the fill.
+    Added "append" and "prepend" commands to format$ strings.
+    Added command "abound x y" to update the current bounding box.
+    Added "scale auto" "hscale auto" "vscale auto" to fit the graph to the page size.
+    Added auto-key based on header in data set.
+    Added auto-xnames based on names in first data set column.
+    Added "let d2 = hist d1 from 0 to 10 bins 10" for computing histograms (step 1 can be used instead of bins).
+    Added "bar" option to "dn line" command for drawing histograms.
+    Data sets can now be just one column. If "nox" is given, the x-values are set to 1...N.
+    Added "compatibility" command (e.g., compatibility "3.5").
+    Added compatibility range option to include command.
+    Added support for standard SVG/X11 color names (by color, alphabetical).
+    Added HTML notation for color names (e.g., #FF0000 = red).
+    Added "defcolor name color".
+    Added "set fill xxx" and "set pattern xxx".
+    Made "include filename.gle" itempotent.
+    Added "declare sub name args", to allow forward declarations of subroutines.
+    Added "default" to set default values for subroutine arguments.
+    Output of LaTeX is now hidden, only errors are shown if they occur.
+    Option "dticks" now works for log scales + improved log autoscaling.
+    Improved Windows installer: added bitmaps and license screen (by Vincent P LaBella).
+    Added "mdist d" option to "dn marker" to draw a marker every d cm along the given curve.
+    Added "deresolve n" option to "dn line" to subsample the points before drawing (by Laurence Abbott).
+    Added option "average" to "dereslove" to average the points instead of just skipping them.
+    Added functions dataxvalue(di,i), datayvalue(di,i), ndata(di) (by Laurence Abbott).
+    Added options "xmin" "xmax" "ymin" "ymax" to fitting routines of "let" command.
+    Added "-safemode" command line option that prevents GLE scripts from accessing the file system.
+    Added "-allowread" and "-allowwrite" to allow I/O in given paths if "-safemode" is given.
+    Added "comment" option to "data" in graph block (by Vincent P LaBella).
+    Example: "data filename.dat d1=c1,c2 comment //" will make GLE ignore lines starting with "//" in the data file.
+    Better formatting of error messages if script contains long lines.
+    Added support for curved arrows on arcs, elliptical arcs, and bezier curves (experimental).
+    Added "palette" option to colormap command.
+    Added fitting of arbitrary functions (based on fitls code from GLE 3.x).
+    Example: "let d2 = fit d1 with a*sin(b*x)+c*x^2+d".
+    Example: "let d2 = fit d1 with a*sin(b*x)+c*x^2+d eqstr e$ rsq r".
+    These two examples fit dataset d1 with a function of the form "a*sin(b*x)+c*x^2+d" and put this function in d2.
+    The second example in addition stores the resulting equation as a string in variable "e$" and the correlaction coefficient in "r". 
+
+4.0.12 (September, 2006)
+
+    Includes a GUI called QGLE (written by A. S. Budden)
+    - displays the output of GLE and updates automatically after the source file is modified (run "gle -p myfile.gle")
+    - has basic editing tools (add amove/line/circle/...)
+    - QGLE is based on the QT and Ghostscript library
+    Added GNU autoconf support (in addition to the regular makefile.os system)
+    (on Linux, one can now compile with ./configure; make; make install)
+    Added autopackage support
+    UTF8 support (limited to latin characters with accents)
+    LaTeX expressions are scaled to the current font height
+    (set texscale none/fixed/scale)
+    LaTeX expressions are used in key and graph blocks (set texlabels 1)
+    The "begin box / end box" block now fills underneath its contents
+    Added keyword "local" to define local variables
+    (see e.g., Examples | Fractals | Sierpinski on the website)
+    Added "colormap" command (regular and graph block)
+    (see e.g., Examples | 3D plots | Information Gain on the website)
+    Colormap works for functions and for .z files
+    Added option "-v" to run another version of GLE
+    (if more than one version is installed, use "gle -help v" to list installed versions)
+    Added "begin object name" and "end object" to define objects
+    Added "draw name.pos" to draw objects
+    More sensible defaults for graph font sizes
+    (use gle -cmode 3.0 to get the old defaults)
+    Font size in graph now depends on the "hei" setting
+    Added new set subcommands: titlescale, atitlescale, ticksscale, atitledist, alabeldist
+    (to set font sizes and distances relative to the value of the "hei" setting)
+    Distance between axis labels and title are better calculated
+    Added "margins", "dist", "coldist" and "row" options to key block
+    Added "scale h v" command to graph block, which is equivalent to a hscale/vscale pair
+    Added colored fill patterns for the "bar" command and key block
+
+    bar d1,d2,d3,d4 fill blue,red,blue,purple pattern none,shade,grid,shade2
+
+    Added "xnames from di" to retrieve the axis labels from a data set
+    Added "xnoticks p1 p2 ..." to disable ticks at specified positions
+    Added "ftick x0" to "axis" to manually set the position of the first tick
+    Added "offset y0" to "axis" to move the origin of the axis
+    Added "angle a" to "axis" to rotate the axis labels
+    Added "x0axis" and "y0axis" (these are disabled by default)
+    Added option "center" to center a graph block
+    Added option "math" to create a "math mode" graph with the axis crossing at the origin
+    (see e.g., Examples | 2D Simple | Sin on the website)
+    Added option "horiz" to bar command allowing "horizontal" bar plots
+    Added option "style" to bar command allowing user defined bar styles
+    (see e.g., Examples | 2D Complex | Color Bar on the website)
+    Added arrow styles "filled", "empty" and "simple"
+    Added support for user defined arrow styles
+    (see e.g., Examples | Other | Arrow Styles on the website)
+    Added function xbar(xp,i) retrieving the x-coordinate of bar i in a bar plot
+    Added function xy2angle(dx,dy) that computes the angle (polar coords) given dx and dy
+    Added function sdiv(x,y) implementing y == 0.0 ? 0.0 : x / y
+    Added formatting modes "pi" and "frac" to format$
+    (see e.g., Examples | 2D Simple | Sin on the website)
+    Subroutine definitions and assignments can come before the size command
+    Checks for correct nesting of all block commands
+    While loops are now also supported (besides until ... next loops)
+    Support for single line then/else blocks allowing code such as
+
+    if a < 1 then print a "is smaller than 1"
+    else if a < 2 then print a "is smaller than 2 but larger than 1"
+    else if a < 3 then print a "is smaller than 3 but larger than 2"
+    else print a "is larger than 3"
+
+    LaTeX expressions can now also be used in combination with .ps output
+    Axis scales are now computed based on the datasets that are actually used
+    Graph block can include function calls, of which the output is clipped to the graph window
+    (see e.g., Examples | 2D Complex | Labeled Scatter on the website)
+    The manip utility has been integrated back into the GLE distribution
+    (see e.g., this screenshot of manip). 
+
+4.0.11 (December, 2005)
+
+    Adds the contour utility for generating contour plots.
+    Adds the fitz utility for generating 3d plots based on given data.
+    Adds support for command line arguments using nargs() arg(i) and arg$(i).
+    Adds the command line option -o to specify the name of the output file.
+    Fixes a bug with accents (\^, \i, and \j are supported now).
+    The \tex{} escape sequence can now also be used in tables.
+    From and to specifications are now optional for let command. 
+
+4.0.10 (November, 2005)
+
+    Adds landscape support to the full page mode (orientation landscape).
+    Improves the Windows installer (it now shows the readme, etc.).
+    Fixes a bug in the parsing of some floating point numbers (e.g., 1.e5).
+    Fixes a bug in user defined markers. 
+
+4.0.9 (August, 2005)
+
+    Parser has been significantly improved and gives more informative error messages.
+
+    >> test.gle (22) |x = 64; y = log2(x)|
+    >>                            ^
+    >> Error: call to undefined function 'log2'
+
+    TeX expressions are now included in output by default, use -inc for the "inc way".
+    Added option -fullpage.
+    Added pagesize and margins commands and corresponding config section.
+    Added function eval(expr$) that evaluates expr$ and returns the result.
+    Added option "curve angle1 angle2 d1 d2" to commands rline, aline and join.
+    Fixed grid in log plots.
+    Added escape sequence \expr{some_exp} that can be used in block commands and inserts the result of evaluating some_exp.
+    EOF is stripped from .eps if included with postscript command.
+    Special variables xgmin, xgmax, ygmin, ygmax, xg2min, xg2max, yg2min, yg2max that indicate the graph axis bounds.
+    Fixed bug in return value of user defined functions.
+    Fixed bug in loading of certain .tiff files that include alpha data (EXTRASAMPLE_UNASSALPHA).
+    Angstrom symbol \AA added.
+    Rewrote fopen/fread/fclose code based on new tokenizer.
+    Added "fgetline chan line$" to read an entire line from a line.
+    Added "ftokenizer chan commentchar spacetokens singletokens" to set up the tokenizer.
+    Added command line option -c that turns GLE into a calculator.
+    Added option -gs for fast GhostView previewing (by Axel Rohde) (only on Unix).
+    Added rgb255() and rgb() functions.
+    Added set arrowsize 0.5 arrowangle 30 to control shape of arrows.
+    Local variables can now be used in graph blocks.
+    Slope, Offset and R squared values of regression plots can be stored in global variables.
+    Removed dependency on BOOST library. 
+
+4.0.8 (March, 2005)
+
+    One executable "gle" instead of one for each driver "gle_ps" and "gle_svg".
+    Output to .pdf/.png/.jpeg by linking to GhostScript.
+    Support for LaTeX expressions in GLE scripts using the command "tex" or the macro "\tex{}". (Examples can be found here.)
+    Support for bitmap import (.jpeg/.png/.tiff/.gif) using the commands "bitmap" and "bitmap_info". (An example can be found here.)
+    Options "impulses", "steps", "fsteps", and "hist" for the graph command "dn line".
+    Option "round" for the commands "box" and "begin box" to simplify drawing boxes with rounded corners.
+    Command "separator" in keys to construct keys with multiple columns.
+    Option "absolute" to the offset command to position the key, e.g., at the bottom-center of the output.
+    Function "format$" for formatting numbers (e.g., format$(1/3,"fix 3") = 0.333).
+    Option "format" to the axis graph command to format the labels in a similar way.
+    Functions "pagewidth()", "pageheight()", "width(name)", "height(name)", "pointx(name)", "pointy(name)".
+    Command "print" for writing to the command prompt.
+    Support for config file $GLE_TOP/glerc and $HOME/.glerc (on Unix).
+
+4.0.7 (December, 2003)
+
+    No more segmentation fault when encountering some types of errors.
+    Unix version can now handle dos text mode files, gle, makefmt and fbuild.
+
+4.0.6 (December, 2003)
+
+    Includes makefiles for OS/2.
+    Fix for slow rendering of long complex paths in postscript file. Speed now equivalent to 3.3h.
+    Tweak to exe and src release filenames i.e gle_version_[src,exe]_[platform]....
+    Exits gracefully when it cant open a file such as a data file in graph, image file, include file or using fopen.
+
+4.0.5 (November, 2003)
+
+    Fix unix/linux compile issues with afm files. They now have the proper line endings for Unix.
+    Fix compatability issue with 3.3h: ATN and ATAN now work equivalently. In 3.3h only ATN worked for arctangent?
+
+4.0.4 (November, 2003)
+
+    Fix unix/linux compile issues.
+    Will search c:\program files\gle (WINDOWS) or \usr\local\bin (UNIX) directories if GLE_TOP environment variable is not set.
+    Proper wildcard/globbing handling on UNIX (assumes shell does the expansion).
+    Minor improvement on file finding and error reporting.
+    Cleanup of unused functions and varibles in gle.cpp.
+    Windows binary now compressed with upx.
+
+4.0.3 (November, 2003)
+
+    Accepts filenames with wildcards/globbing i.e. "gle_ps *.gle" will compile all gle files in current directory.
+
+4.0.2
+
+    Fixed problem with program crashing when it couldn't open the gle file or include file.
+    New zip files of source code and win32 executables. 
+
+4.0.1
+
+    Fixed problem with PATH and GLE_TOP not being set properly in installer. Fixed problem with loading include files from GLE_USRLIB.
+
+4.0.0
+
+    Code cleanup from 3.5.
+    Compiles with latest C++ compilers.
+    Has better error reporting where it prints out the line number and text associated with the line (even if the error was detected in an include file).
+    Removed ncurses dependancy.
+
+GLE 3.3g (14-May-1994)
+
+    Ported to ALPHA OSF/1, some bugs still exist though.
+    Merged changes made for gle32 and solaris and linux. 
+
+GLE 3.3f (16-April-1993)
+
+    fixed bug on sun's with axis labelling.  
+    dviprint -dsx    Sixel graphics driver added to GLE DVIPRINT,
+            thanks to:   Evan Wilson,   N Z Dairy Group
+
+    Fixed RETURN statement so that it takes an optional parameter.
+    (It always did, but why it used to work I don't know as the
+    parameter wasn't optional)
+
+    Added a yaxis option
+        yaxis negate
+    This is reversed the numbering on the y axis.  For use with
+    measurements below ground, where you want zero at the top and 
+    positive numbers below the zero.
+
+GLE 3.3e (1-Jan-1993)
+
+    Fixed clipping of lines through a log axis.
+    Fixed help display which was loosing two lines on multi page
+    displays.
+
+GLE 3.3d
+
+    Problem with SMOOTH on SUN machines fixed.
+    fixed bug with named objects on postscript driver.
+    added -nops qalifier to dviprint.
+
+GLE 3.3c (1-Apr-1992)
+
+    Fixed problems with large datasets in surface and contour
+    Fixed problem with /kern/lower/movexy and other def's
+    Fixed bug with   dviprint -depson -hires -nosquash
+    Fixed bug with smoothing contours which made lines dissappear.
+    (20-Sep-1992)
+    Fixed bug with UNTIL looping.
+    Removed limit of number of 'saved' points.
+    (1-Dec-1992)
+    Fixed tokenizer so "ab\"cdef" would accent the 'c' as expected.
+
+GLE 3.3b (25-Mar-1992)
+
+    Bigfile now accepts variables in place of the file name, e.g.
+        xxx$ = "test.dat,2,3"
+        d1 bigfile xxx$
+    Added AUTOSCALE option to bigfile e.g.:
+        d1 bifile a.dat line autoscale
+    This pre-reads the file to scale the axis, which is slow but
+    sometimes required.
+    Updated version of inittex.ini which was causing problems with
+        /char /def /movexy
+    UNIX: install.com now copies graph.idx into system area.
+    VMS: dviprint symbol added to CGLE_LOGIN.COM
+
+GLE 3.3a (27-Jan-1992)
+
+    Bug: lowercase xnames labels being mis-aligned is fixed.
+
+    Gle now writes out   gletmp.t1 .t2 .t3 .t4 instead of .bak
+    so you have four backup versions if something crashes.
+
+    Fixed axis rounding errors for labels, e.g. .1 to .9 step .1
+    might occasionally stop at .8
+    
+    Fixed filled boxes on DVIGLE driver, the filled region wasn't
+    being translated if a scale or rotate was being used.
+
+    Added commands:
+        fopen, fclose, fread, freadln, fwrite, fwriteln
+    E.G.:
+
+    fopen "file.dat" inchan read
+    fopen "file.out" outchan write
+    until feof(inchan)
+        fread inchan x y z
+        aline x y
+        rline x z
+        fwriteln outchan x*2 "y =" y
+    next
+    fclose inchan
+    fclose outchan
+
+    The following accents now work.
+        \` \' \v \u \= \^ \. \H \~ \"
+    e.g.    
+        text P\'e ter
+
+GLE 3.2i (1-Jan-1992)
+
+    Improvements made to lstyle for dot matrix and laserjet drivers.
+    It now works!, patterns which don't divide into 32 bits and 
+    dashlen are both supported.        (Thanks to Frank Evans)
+
+    HPGL driver modified, now supports sizes greater than a3.
+    New symbols HPGL_ADDX, HPGL_ADDY add a margin to the plot.  
+    These default to .9cm and 1.5cm
+
+    Bug in 'E' format numbers, 5e+7 was interpreted as 5+7 = 12
+    instead of 50,000,000  (5e7 was always interpreted correctly)
+
+GLE 3.2g (1-Nov-1991)
+
+    All bitmap dot matrix drivers have been re-written:
+
+        dvigle
+        dvilj, dvilj300, dviepson, dviep24
+    
+    They now perform clipping and filling correctly, funny
+    glitches in filled characters (texcmr) have been fixed.
+
+    They also support a much wider range of fill styles
+
+    Print the file DVIFILL.GLE to see the supported fill
+    options.
+
+    The command syntax has changed, the commands:
+        dvilj, dvilj300, dviepson, dviep24
+    
+    Have been replaced by:
+        dviprint -dlj 
+        dviprint -dlj -hires        (was dvilj300) 
+        dviprint -depson     
+        dviprint -depson -hires        (was dviep24)
+
+    Support for HP-PaintJet printers
+    has been added:
+        dviprint -dpj
+
+   Usage: dviprint [-depson | -dlj] [-old] [-hires] [-debug] [-output xx.prt]    
+        -depson   To produce output for epson printers 
+        -dwp      To add tiff image to wp .eps file 
+        -dlj      To produce output for HP LaserJet printers 
+        -dpj      To produce output for HP PaintJet printers 
+        -dover    Overhead transparency mode for PaintJet
+        -old      For old HP Laser Jet printers (no compression)
+         -hires      Uses high resolution for that printer (slower)
+         -wide     If your printer has a wide carriage 
+         -noflip   Disable's auto flipping 
+         -nosquash Tries to print it full size
+         -compress Force internal bitmap compression (slow,saves memory) 
+         -noff     No form feed
+         -debug    Prints debug messages
+         -out x.x  Prints output to file instead of printer port
+    
+    ...
+        3d Bar graphs are now supported, the commands are:
+    
+        bar d1,d2  3d .5 .3  side red,green  notop
+        bar d3,d4  3d .5 .3  side red,green top black,white 
+    
+        Take note of comma's.
+    
+    3d  (xoffset yoffset)  
+        Specifies the x and y vector used to draw the receding 
+        lines, they are defined as fractions of the width of the
+        bar.
+        A negative xoffset will draw the 3d bar on the left side
+        of the bar instead of the right hand side.
+    
+    side (color list)
+        The color of the side of each of the bars in the group.
+    
+    top (color list)
+        The color of the top part of the bar
+    notop
+        Turns off the top part of the bar, use this if you have 
+        a stacked bar graph so you only need sides on the lower parts
+        of each stack.    
+    
+    Note:    You won't see the color of the side or top on the pc screen.
+
+GLE 3.2 (6-Mar-1991)
+
+      File type changed from STREAM_LF to normal vax format.
+    
+      SMOOTHM option added which is identical to SMOOTH but
+      will allow multi-valued functions. (e.g. circles etc)
+    
+      TWIDTH("") and THEIGHT("") functions fixed again.
+
+V3.2b
+
+      DEFINE MARKER myname subnamex
+      MARKER myname
+      Allows you to define a new marker as any subroutine.
+
+      e.g. to define a character from the postscript ZapDingbats font
+      as a marker you would use.
+
+    sub subnamex size mdata
+        gsave                ! save font and x,y
+        set just left font pszd hei size
+        t$ = "\char{102}"
+        rmove -twidth(t$)/2 -theight(t$)/2  ! Centers marker
+        write t$
+        grestore            ! restores font and x,y
+    end sub
+        
+    The second parameter can be supplied using the MDATA command
+    when drawing a graph,  this gives the marker subroutine a 
+    value from another dataset to use to draw the marker.  For 
+    example the marker could vary in size, or angle, with every
+    one plotted.
+        d3 MARKER myname MDATA d4
+
+    Encapsulated Postscript option modified so that WordPerfect
+    won't clip the edge of the drawing.
+
+    On a PC the /EPS qualifier will now create a file using 
+    an extension of .EPS instead of .PS
+    
+    DEFMARKER mname fontname char_num scale dx dy 
+    This command defines a new marker, from any font, it is 
+    automatically centered but can be adjusted using dx,dy.
+    e.g.
+        defmarker hand pszd 43 1 0 0
+
+    Bug in set color in PS devices which caused the 
+    color to affect a previous line is fixed.
+
+    Added built in function which returns a string describing 
+    the device. e.g. DEVICE$() = "HARDCOPY, PS,"
+    on the postscript driver.
+
+    This can be used to use particular fonts etc on appropriate
+    devices. E.g.:
+        if pos(device$(),"PS,",1)>0 then
+            set font psncsb
+        end if 
+
+    POS(src$,search$,start) string function fixed (surprise surprise)
+    
+    The editor now tolerates lines > 80 characters. 
+    
+    Fixed bug which caused incorrect characters to be drawn
+    on pc screen occasionally.
+
+V3.2c
+
+    
+    Pressing ESC repeatedly will now abort a redraw operation. (on PC)
+
+    Load and Saveas will now default to .GLE 
+
+    Bug with tex macro replacement fixed.
+
+    Bug with mouse cursor not appearing on HERC screens is fixed.
+
+    WPGLE.EXE added, this command will produce a special output
+    file which contains EPS for PostScript printers and a 
+    crude bitmap for WordPerfect to display on the screen.
+
+V3.2e
+
+    Fixed some colour mapping and added, purple, orange, pink, brown.
+
+V3.2f
+
+    Modified maximum size of dvilj,dvilj300,dviepson,dviep24 so that
+    all can take graphs up to 19cm x 27cm
+
+    Added command line switches
+
+        /nod    (add ^D to ps file)
+        /addd    (Don't add ^D to ps file)
+        /nomaxpath (Don't choke on complex fill paths)
+        /fill    (For dvibit, makes bar's filled instead of shaded)
+
+    Added symbol for PC.
+    
+        GLE_NOCONTROLD TRUE
+         (Stops ^D being added to ps files)
+
+    (this is the default for unix)
+    
+    The DCL symbol GLE_NOCONTROLD should be set to "TRUE" to kill the 
+    ^D on vms systems.
+
+    If you set the DCL symbol GLE_EDITOR to TPU then you will get
+    TPU instead of EDT when you press ^E
+
+    You can now tell gle about postscript fonts that you have 
+    downloaded into your own printer.
+
+    Lets pretend we are adding a font called Greek-Bold
+
+        1) Download the font into you laser printer
+        2) Add a line to FONT.DAT
+           psgb 86 psgb.fmt plsr.fve psgb.fmt
+           a    b  c        d
+        a = GLE's name for the font
+        b = The next unused number in font.dat
+        c = The font metric file, this can be created using
+            makefmt from and adobe font metric file
+            (.afm) which you should have been supplied
+            with your font.
+        d = The font vector file, this is just a font that
+            that gle can use to draw your font on non
+            postscript devices.
+        3) Add a line to psfont.dat
+           psgb Greek-Bold
+
+        This tells the postscript driver that this is a 
+        font that the printer knows how to deal with.
+
+GLE 3.1e (1-Mar-1990)
+
+      Errbars will now work with the bigfile option.
+
+      x2ticks now come back on again if you turn the xaxis off and x2axis on
+      (The error bars distances cannot also be a bigfile)
+
+      if you use a let d1 = exp from 1 to 10000 step 1
+      with a log xaxis it doesn't produce a smooth line.  GLE now
+      checks and if the xaxis is a LOG scale then it uses the
+      step option as an approximate required number of intervals which
+      it spreads along the xaxis in increasing steps.
+
+      In the graph module, if you use '0' as a column for the x data
+      of a bigfile GLE will generate xdata of 1,2,3,4 ...
+      e.g.  d1 bigfile a.dat,0,2 
+
+      Data separated with commas and no spaces was being read incorrectly
+      The data reading routine has been re-written. (introducing new 
+      and more interesting bugs in the process)
+
+GLE 3.1d (19-Feb-1990)
+
+      In the past  "TEXT a\delta b" would have produced a space
+      between the delta character and the letter b,  this action
+      was incorrect and had been fixed. 
+      Use "TEXT a\delta\ b" to get a space.
+
+      "TEXT a(\delta)b" also works now.
+
+GLE 3.1c
+
+      Built in functions twidth("") and theight("") now work.
+
+      Their is now a BIGFILE command for executing large gle files 
+      that won't fit into memory using INCLUDE. (note this should
+      not be confused with  the BIGFILE graph command).
+      e.g.  BIGFILE NZMAP.GLE
+      
+      As bigfile compiles and executes the gle file one line at a 
+      time you cannot use multi line structures (subs, if then else etc)
+      but you can call subroutines if they are defined before the bigfile
+      statement.
+
+      Lines in bitmap drivers are now the right length (text looks better)
+
+      There is currently a limitation on the size of text or tables that
+      can be printed (this may be fixed at a later date)
+
+      The xg() and yg() functions now work if the graph has log axes
+
+      A bug which stopped the last line of a data file being
+      read had been fixed.
+
+      Correction to expression passing allows IF A$="ABC" THEN ... to work.
+
+      Added shading styles RSHADE, RSHADE1, RSHADE2 ...(Lines at right angles)
+
+GLE 3.1b
+
+      Fixed the circle fill command so it uses the right colour.
+      
+      Modified PostScript arrows with wide lines so they look nice.
+      They are now filled triangles rather than two short lines.
+
+      There is now an example in BOXR.GLE which shows you how to 
+      define a subroutine to draw boxes with rounded corners.
+
+      Horizontal error bars have been added, the commands are
+            HERR, HERRLEFT, HERRRIGHT, HERRWIDTH 
+
+      If you had the same subroutine defined twice in a gle
+      file it would skip the intervening gle commands, this is fixed.
+
+      Arcto fixed for line devices (hpgl)
+
+      Stacked bargraphs should not contain missing values,  replace
+      missing values with the value from the column on the left. e.g.
+            1 22 * 45  becomes          1 22 22 45
+
+GLE 3.1a
+
+      Bug with reading exponential format numbers fixed.
+
+      Bigfile option added, so that you can extract particular 
+      columns of data from a data file, e.g. 
+            D1 LINE BIGFILE TEST.DAT,3,2
+      Will use column 3 for x values and column 2 for y values.
+
+      e.g.
+'           data x.dat
+            d3 line
+      becomes
+            d3 line bigfile x.dat,1,4
+      As dataset three is made from columns 1 and 4.
+
+      The space codes (\: \; \,) are now proportional to the
+      current font size.
+
+      text \rule{2}{3}  will draw a box, and \glass can be used
+      to offset text.


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