CHANGES

== tekUI Changelog ==

 * Compiler tool can now amalgate Lua programs into stand-alone executables
 * Compiler tool: Now works with Lua 5.1/5.2/5.3 using the method shown in
 lua-amalg by Philipp Janda, LUAARCH switch is no longer needed, module
 sampling is now done in a LuaExec task, no module statistics files needed,
 now works under Windows, too
 * Building a standalone tekUI executable now works under Windows and using
 cross-compilation
 * Some X11 font issues corrected
 * Windows display driver could try to send tekUI messages to foreign
 windows, leading to a crash, corrected

=== 1.12: ===

 * Changes to the class system, module loader and documentation system,
 no longer requires Lua 5.2, 5.3 to be compiled with LUA_COMPAT_MODULE
 * Windows HAL: Atomics enabled
 * Windows display: Added clipboard support, improved event handling, Win64
 support, synchronous waiting, added Unicode text rendering, added better
 support for keyboard qualifiers, windows opened at fixed positions had
 wrong size, corrected, added support for bold and italic font styles
 * Visual, EditWindow, Input: added setSelection, TextEdit: uses application
 clipboard, removed class clipboard, quirky attribute retrieval corrected
 * Application: added obtainClipboard, releaseClipboard
 * Changed notes about LuaJIT and some additions to documentation
 * LuaExec: Changes merged in, in join() abort signals could be forwarded to
 already dead task, corrected by freeing task after return from exec, in
 waitmsg() fixed recalculation of waittime, returned signals should be
 correct now, childnotify example added to demonstrate GUI signal handlers
 * Exec: added semi-internal function TFreeTask(), user tasks are now
 freed in destructor context after their return from exec, minor cleanup
 in memory functions

=== 1.11: ===

 * HAL: fix for broken timer device under Windows, MMTimer timerequest abort
 on signal arrival did not work for ages, corrected, giving e.g. TWaitTime()
 in Windows display driver much better response times and smoother updates.
 * Luaexec: added functions getmsg, getname, getsignals, run, sendport,
 sendmsg, signal, sleep, wait, waitmsg, waittime, child methods abort, join,
 sendport, sendmsg, signal, terminate, including error propagation through
 running tasks, added childtask example
 * Default layouter: Fixed Weight attribute number representation problem
 with Lua 5.3
 * Windows, RawFB, DirectFB display drivers: Slip fixed in instantiating
 multiple times concurrently
 * X11 display driver: Workaround for Xft reinitialization b0rkedness
 * Exec: TInitmodule structure is now const, replyport field of messages is
 now NULL on allocation, added support for silently ignoring destruction of
 a task's own handle, allowing TEKCreate() to return a different task as the
 basetask, added TTask_InitData and GetInitData() to free TTask_UserData for
 user affairs in basetask
 * TEKLib: Added support for mulithreaded, lazy singleton creation
 * Visual: Module instances' init requests are no longer reused, getting
 rid of nearly incomprehensible trickery that did not work properly
 * Lua bindings of Visual and all display drivers: Module initnodes are now
 part of the Lua state, the bindings are now fully reentrant
 * Visual module: Now registers a TEKlib atom "msgport.ui.%p" with
 task address for message port rendezvous in local address space
 * Application, UI: Added support for MSG_SIGNAL
 * Added NetBSD support in config file and documentation
 * Minor corrections in documentation

=== 1.10: ===

 * Exec: Changed list structure to eliminate the need for pointer aliasing
 * Improved Mac OS X support, added support for Solaris and HP-UX, improved
 configuration and flexibility with regard to custom paths to third party
 libraries; the Xvid extension is no longer enabled by default
 * Some cleanup in visibility of symbols, code and build system structure
 * UI: Now evaluates arg, ProgDir, LocalPath, etc. as late as possible,
 allowing the library to be embedded in precompiled form, warnings for
 each missing locale key are shown only once now
 * ImgLoad, Visual: Minor improvements in loading with alpha channel
 * Visual module: Minor API corrections, added documentation
 * Display: Some corrections in API documentation
 * UI: loadImage() can now load from an open file
 * Raw framebuffer: Improved region management, optimizations, added
 support for window backing store, unified input handling, added alignment
 for dirty regions, reducing region merge-ops
 * RawFB, X11: Now suspend indefinitely if no interval events are requested,
 major source code cleanup
 * Compiler: added module exclude list, code cleanup, added documentation

=== 1.09: ===

 * Added basic support for native Linux framebuffer and event interface.
 Support can be compiled into the raw framebuffer display driver.
 * Raw framebuffers automatically recognize the need for a backbuffer now,
 e.g. when a VNC server is running on top a Linux framebuffer and the pixel
 formats differ. Backbuffer support can also be enabled explicitely using
 ui.ExtraArgs = "fb_backbuffer=true"
 * Linux framebuffer keymaps are compiled-in for now, added tool etc/keymap2c
 for conversion; default is /usr/share/keymaps/i386/qwerty/us.map.gz
 * UI, Window: Added ui.Mode = "workbench" for displays without a window
 manager, supporting rudimentary window decorations for close, drag, and
 resize. Added HaveWindowManager attribute to displays and Visual interface
 * Some restructuring and streamlining in pixel conversion and image loading
 * VNC portnumber can be configured using VNC_PORTNUMBER as well as
 ui.ExtraArgs = "vnc_portnumber=1234" 
 * Displays, Area, Canvas: Some layouting and refresh glitches corrected
 * Windows now better remember their window positions and sizes
 * createPixmap() can now read images from open file handles
 * Input: doubleclick marks the whole line now
 * Sizeable: No longer adds empty blit regions to the Window, added sanity
 checks, added cases for insertions above and below the visible area, now
 operates on not shown elements correctly
 * Sizeable, ScrollGroup: Added support for merging damages and for
 suppressing blits
 * Area, default layouter: Invisible attribute added
 * String: getTextWidth() missing range check, attachdata(), getdata() added
 * Window: relayout calls to drawBegin/drawEnd were not exactly paired in 
 error case, corrected
 * Area, Group: Invisible, onSetVisible() added
 * DirList: changing the location field clears the current selection so that
 the location field becomes the preferred selection
 * TextList: deleteLine() added, better hardscroll support
 * TextEdit:deleteLine() can now delete any line, not just the cursor line,
 enter() now handles metadata correctly, getNumLines() does not count an empty
 first line anymore, setCursor() no longer performs damages if window updates
 are suspended or if the cursor is invisible, "wholeline" cursor mode renamed
 to "bar+line", "bar" mode added, the ReadOnly attribute does not inhibit
 marking text anymore, updateMark() added, window update suspension mechanism
 reactivated and other fixes
 * Removed redundant code from display drivers
 * Visual: added large number of pixel formats and conversions, added pixmap
 caching (used for gradients), added screenwidth/height properties
 * x11 driver, rawfb driver: added pixmap caching, added support for more 
 pixel formats
 * DirList: list dblclicks are acted upon mouse press, not release now
 * Added compiler tool again, some infrastructure for amalgamized builds added
 * UI: minor fixes in ProgDir/ProgName detection and stylesheet loading,
 * Application: Dialogues are now confined to the visible screen
 * Widget, UI: Added NoFocus attribute and FL_NOFOCUS

=== 1.08: ===

 * Added support for dynamic reconfiguration from stylesheets during runtime
 * Area: Width/Height, Min/Max/Width/Height are no longer consolidated during
 new(), but interpreted by the layouter during runtime by accessing them via
 getAttr()
 * Demo program: Added menu item "Open stylesheet..."
 * Added a sanity check in Window:update()
 * Added LUAVER variable in config to switch Lua install paths
 * Text, Canvas: KeepMinWidth/Height are now translated to flags
 * Rawfb: Topmost window is focused now after the focused window was closed

=== 1.07: ===

 * ui.checkVersion() added
 * ui, Area, Window: FL_ISWINDOW, FL_DONOTBLIT added and honoured
 * Window:relayout() uses FL_ISWINDOW to avoid expensive uses of instanceOf()
 * Slider knobs are no longer blitted
 * Canvas:damage() did not check for rectangle, corrected
 * Build procedure: builds with just a single display driver can be configured
 entirely via config file now

=== 1.06: ===

 * Serious regression fixed: Since 1.02, updating sliders was abysmally
 expensive and could disturb the refreshing of other elements
 * config.h, config, Makefiles: Some Mac OS X support added
 * FloatText:erase() did not check for a DamageRegion, corrected
 * X11, Visual: some sanity checks added to drawbuffer and drawgradient
 * TextEdit: disabled window update suspension, disabled AutoIndent by
 default, corrections to cursor updates and text width recalculation
 * EditWindow: enabled AutoIndent by default
 * Input:handleKeyboard(), cursorSOF/EOF/SOL/EOL() added

=== 1.05: ===

 * Added PNG file format support
 * Added loading images and rendering with alpha channel
 * RawFB driver: Added support for drawing bitmaps with alpha channel

=== 1.04: ===

 * ui, Application: Added UserStyles variable
 * Removed use of the init() function
 * CheckMark:getAttr() removed
 * Area:beginPopup() added
 * PopItem: now uses child:beginPopup() to prepare an element for being used
 in a popup
 * Widget:getPseudoClass() now gives hover precendece if the element is in a
 popup
 * Window:update() could try to relayout elements without a rectangle,
 corrected
 * Added some CSS documentation

=== 1.03: ===

 * Bug in Area class (C version) fixed: Did not differentiate between
 layouted rectangle 'unset' and 'zero'

=== 1.02: ===

 * PopItem: getPseudoClass() removed
 * Window: relayout() removed
 * TextList: improved logic for latching on list top or bottom
 * ScrollGroup: added HValue, VValue, H/VMax/Min/Range/Value are now
 always updated
 * runxml: version added
 * some corrections in examples
 * Application, Area (Lua version): small optimizations
 * VNC server: Now using a nonblocking socket for signalling, maxfd is
 constantly updated
 * TextEdit: AutoPosition reenabled, fixes regression
 * Slider, Gauge: now uses rethinkLayout() instead of Window.relayout(),
 leading to visually tighter updates
 * Input, EditWindow: clicking outside the element stops editing
 * UI, Area, Canvas, Group, PopItem, Sizeable, TextEdit, Widget, Window:
 Added flags FL_AUTOPOSITION, FL_ERASEBG, FL_TRACKDAMAGE, FL_ACTIVATERMB,
 FL_INITIALFOCUS
    
=== 1.01: ===

 * Area: C version erase() did not use texture origins, corrected, in
 setFlags() now only newly set flags cause FL_UPDATE to bubble up
 * String: Fixed a bug in range calculation that could corrupt the heap
 * Window: Added support for initializing HoldTickFirst and -Repeat
 * Added XML runner, examples and documentation
 * CheckMark, PopItem, Widget: Some corrections in precedence of style
 pseudoclasses
 * Added prototype TextList class
 * Improved 'klinik' stylesheet

=== 1.0: ===

 * New versioning scheme established. The 1.0 version does not reflect some
 exceptional achievement, and the major version will be changed more
 frequently in the future. The versioning scheme resembles Lua's in that new
 major versions indicate some nontrivial API changes. The UI library now
 contains a version that reflects tekUI's overall package version number.
 * The document generator now accepts C source files, too, for classes which
 have been written in or ported to C. The notation is the same, so the current
 function headers only need to be enclosed in C comments.
 * tekUI example class written in C: Fixed a bug that thwarted child classes
 to inherit from the example class. Rounded out the registration prolog, added
 tek_lua_register() that isolates 5.1/5.2 compatibility and simplifies
 registration
 * Raw framebuffer: Improved window focus management, fixed memory leak
 * String class: documentation added
 * Application:up() added
 * Added examples demonstrating communication with child processes and
 datagram socket server; socket and filestream communication are no longer
 part of the display drivers, but now available throughout tek.lib.visual
 * Rendering of color gradients corrected
 * Area.Flags: is a numerical type now
 * The Area and Frame classes have been rewritten in C, the original Lua
 versions are still available in the archive
 * New Input and TextEdit classes added, the TextInput class is obsolete.
 Input is largely compatible with TextInput. The new class supports
 multiline, proportional fonts, smooth scrolling, MaxLength, Size,
 passwords, selections, and an internal clipboard, which can be shared with
 the system clipboard (currently implemented in the X11 driver)
 * RawFB (in-memory) framebuffer display driver added, which is recursive:
 Allows another display driver to be plugged in as its rendering back-end
 * Added Lua 5.2 support, and no longer uses Lua internal API functions
 * Added gradient support, available via stylesheets
 * RawFB: Added LibVNCServer support. Applications can now be shared with
 the network, running headlessly or with an additional native display
 * Added 'klinik', 'stain', 'gradient' stylesheets
 * Default border now supports border-legend-align attribute, bug fixed
 in focus border rendering
 * Element: Cascading stylesheets did not incorporate an element's hardcoded
 class properties correctly, corrected, getPseudoClass() added
 * ScrollGroup: Reduced object tree complexity in some cases, some checks
 added
 * ui: Added FL_UPDATE, typo in "BckSpc" symbolic key name corrected, added
 MSG_REQSELECTION, added FL_RECVINPUT, FL_RECVMOUSEMOVE, FL_CURSORFOCUS,
 now automatically loads "default" as the first stylesheet unless "minimal"
 is explicitely given in the THEME variable
 * Area: setFlags(), checkClearFlags() added, taking care of FL_UPDATE
 bubbling up in the graph on setting FL_REDRAW, FL_REDRAWBORDER, FL_CHANGED.
 getNext(), getPrev() now have an optional "recursive" mode argument.
 added getDisplacement(), getMsgFields(). checkHover() renamed to
 checkHilite(); getBG() now returns additional position-independency info
 for better support of transaprent backgrounds, getMargin and getPadding
 are now written in C
 * Group: now descends only into elements with FL_UPDATE set during updates,
 which reduces the overhead for small, partial refreshes. remMember() now
 unweights a Group's remaining elements; no longer passes messages to
 disabled or inactive elements
 * Lister: No longer unselects entries in cleanup(), more sanity checks
 * Application: User message handler is now established in new(), added
 FocusWindow attribute
 * Display, Visual: Added support for bold and italic in fontnames and with
 openFont(), better default/fallback fonts, added symbolic color "bright",
 getattrs() now supports query of selection and clipboard, getPaintInfo()
 added
 * DirList: path/location field bugs fixed, some improvements especially in
 regard to keyboard control
 * DirectFB Display driver: Totalwidth/pitch bug in drawbuffer corrected
 * X11 display: Issues with drawing argument ranges corrected, now stops
 reading from stdin when an error occurs, Unicode keycode handling improved,
 added saveunder/backingstore heuristic, compile-time options to reenable
 default cursor, datagram socket for USER messages, improved pixmap memory
 management
 * X11 display, Visual, Applications: Added support for selections and
 clipboards. tekUI input messages are now userdata encapsulations of TEKlib
 messages, passed into Lua space, unpacked only on demand when accessed, and
 replied explicitely using reply() or implicitely through garbage collection.
 messages can now perform a roundtrip through Lua space back to originator
 * TEKlib: Added more support for message port hooks
 * PopItem: Some initialization and other problems corrected
 * Widget, Window, PopItem: Added some right mouse button support
 * Widget: improved doubleclick state detection, now known in onPress() etc.,
 Hover attribute and onHover() removed, simplified activation model based on
 Hilite attribute, now all widgets receive FL_RECVINPUT, interactive elements
 additionally receive FL_RECVMOUSEMOVE
 * Window: Focus and Activation in KEYDOWN handler is no longer changed when
 a keyboard qualifier is present, more rigid checking for elements going
 active or getting highlighted, no longer passes MSG_NEWSIZE and MSG_REFRESH
 to group, minimized usage of getByXY(), getHoverElementByXY() removed
 * TextInput: now stops editing when clicked outside and no other element is
 activated, added getText() method
 * PageGroup: setting PageNumber now sends value and oldvalue in notification
 * Canvas: VScrollStep renamed to VIncrease, fixed some refresh problems
 * Slider: AutoFocus renamed to AutoCapture, Integer renamed to Step, the
 latter can be a number value or a boolean; AutoCapture now on by default
 * Sizeable class moved into main class hierarchy
 * C dynamic UTF-8 and metadata string class added
 * UTF8String class removed
 * Fixed aliasing issues in compile flags when compiling with more recent
 versions of GCC
 * Corrected some addresses and years in the documentation
 * Prototype text editor: improved
 * Improved region management, improved buffer rendering, added FONTDIR env
 variable, default font is now DejaVu, display drivers no longer have to
 provide a default font, improved font and pixmap cache management, reworked
 some demos
 * ImageWidget: onSetImage() and documentation added
 
=== 0.8k: ===

 * Area: reenabled "auto" mode for Width and Height
 * Documentation: Added layouting section, improved examples, corrections
 * Corrected usage of directory iterators from lfs.dir(), now working with
 LuaFilesystem 1.5 again
 * Debug: added wrout() function, simplified
 * Visual API: tek_lib_visual_gettime() stray line removed, causing Lua
 stack corruption
 * PopItem: beginPopup() could attempt to descend into items that have no
 children, corrected
 * Visual API: Added an option to create images from tables
 * Minor changes and corrections for tekUI to go together with the latest
 compiler issues and LuaJIT

=== 0.8j: ===
 
 * Gadget renamed to Widget, ListGadget renamed to Lister, ImageGadget renamed
 to ImageWidget
 * Drawable class: removed
 * Object: Added class-wide handlers and a copy-on-write mechanism for
 duplicating handlers on object-level on demand; static initialization of
 handlers is no longer supported
 * Element: added onSetStyle() and obSetClass(), some bugs fixed in style
 sheet processing
 * Application: hide() hardened for side-effects from shutting down while
 hide() is still in progress
 * Area: removed Drawable attribute, show() no longer has a drawable argument,
 removed Margin, added getMargin() and getMinmax(), MinMax, Rect are Region
 objects now
 * Widget:onClick(), onHold(), onDblClick() added
 * Group:addMember() now allows elements to be added to uninitialized groups
 * Lister:onDoubleClick() renamed to onDblClick() and documented
 * Slider:onHold() documented
 * Visual: added setTextureOrigin(), pushClipRect(), popClipRect(), drawing
 functions no longer receive texture origins as arguments, added setBGPen(),
 which can be used to set a background color or a texture for fillRect(),
 renamed copyarea() to blitArea(), function names are now in lowerCamelCase
 * ScrollGroup: copyArea() renamed to blitArea()
 * Window: Drawable attribute added, it is now created in show() and
 destroyed in hide(), removed Visible and Pens attributes, invalid color
 specifications are now silently converted to the 'background' color
 * UI: Changed meaning of MSG_ALL, now excluding MSG_INTERVAL
 * added tek.ui.style.desktop, removed Theme class
 * Improved documentation and stylesheet, added Windows platform installation
 note
 * Display: Simpler and faster color allocation, added newDrawable(), Drawable
 now encapsulated by Display
 * Object:doNotify() added, now processes all notifications regardless of
 esoteric side-effects during traversal, addNotify() positional argument
 removed
 * UI: Added FL_POPITEM, added getStyleSheet() from former Theme class, removed
 region functions
 * PopItem: sets FL_POPITEM during connect, overwrites doNotify() to filter
 out notifications in items which have been neither setup nor connected before
 * Demos: cleanup
 * Region: added get() function, class check is now based on upvalue
 * Optimized default layouter, now using more C structures and fewer Lua stack
 * Editor, Sizeable and EditWindow classes added (not installed globally)

=== 0.8i: ===
 
 * Display, Visual: Removed numerical pens, all pens are symbolic now, 
 Display: removed RGBTab and FontTab
 * added ui.support library with functions operating on flag fields
 * added Fixed layouter
 * added Dynamic, Fixed and LayoutHook and improved some demos
 * Element:addStyleClass() added, Properties attribute added, removed
 getProperty() and getProperties(), style sheet properties, direct formattings
 and hardcoded class properties are now decoded into a metatable graph
 * EditWindow: localizations added
 * Application: added Style and Preload attributes, removed Theme attribute,
 renamed Styles to AuthorStyles, added AutorStyleSheets
 * Drawable:getAttrs() split into getWH() and getXY()
 * PopItem: Now also elements descending from CheckMark collapse in popups,
 no longer uses a "popup-children" style class if an element has children,
 instead a style class "popup-child" is appended to all children during
 connectPopItem()
 * CheckMark: in setState(), precedence of the "Hilite" attribute over
 "Selected" is now also considered for the foreground color
 * MenuItem: a predefined class "menuitem" is now appended to the element's
 style classes during init()
 * Internal theme: use of menu colors corrected, removed "internal" style
 sheet, added the respective properties in the "desktop" style sheet.
 * style sheets: 'parent-group' pseudo pen renamed to 'transparent',
 'background-position' renamed to 'background-attachment'
 * ui.loadStyleSheet() can now operate on open filehandles
 * RadioImage now paints a back pane
 * ImageGadget: did not implement vertical and right alignments, corrected
 * Input: setting the cursor with the mouse now also updates the LockCursorX
 attribute, visual cursor position reporting corrected
 * Visual API: Window MaxWidth/MaxHeight wasn't unset when passing 'false',
 corrected
 * Area: removed relayout() function, rethinkLayout() now has an additional
 updateminmax argument, added drawBegin() and drawEnd() functions, removed
 refresh(), layout logic improved for growing elements, added Flag attribute,
 removed Redraw attribute, removed BGColor, BGPosition, Margin, Padding,
 getProperties(), FL_CHANGED is now set in rethinkLayout(), added getPadding(),
 renamed MarginAndBorder to Margin, renamed former 'grid-align' properties to
 'halign' and 'valign'
 * FloatText: layout() took an existing Redraw into account, removed
 * Frame: phased out an additional newBorderObject() function, removed
 RedrawBorder attribute, removed Border and BorderClass attributes, these are
 created on the fly during border creation and isolated in the border object
 * Group: the Layout argument can now be a class name, not just a layouter
 instance, calcWeights() is now called when a changed layout is notified,
 addMember()/remMember() are more solid now, removed getStructure(),
 getSameSize() and calcWeights(), these are now isolated in the default
 layouter, removed onActivateGroup(), groups are no longer repainted
 completely, but only when a fixed background-attachment is indicated
 * Handle: now calls rethinkLayout() as it is supposed to, Orientation is now
 determined during setup()
 * ListGadget: Removed BGAlt, CursorBorder, CursorBorderClass attributes
 * PageGroup: simplified, now accepts a custom Layout
 * ScrollBar, Slider: updateSlider() is no longer a local function and
 forwards the call to its super class
 * ScrollGroup: internal sliders are handled more efficiently now, causing a
 notification in their parent class now only when really needed
 * Slider, Gauge: MaxWidth, Width, MaxHeight and Height are now determined
 during setup()
 * Spacer: Orientation is now determined during setup()
 * Text: Removed FGDisabled2, Font, TextHAlign, TextVAlign attributes
 * TextInput: Removed FGCursor and BGCursor attributes
 * Window:relayout() changed and no longer descends from Area but is now
 rooted in the Window class, calcWeights() is now under the control of the
 Group class
 * UI: freeRegion() and testFlags() removed, added element flags FL_REDRAW,
 FL_REDRAWBORDER, FL_LAYOUT etc., simplified and renamed prepareStyleSheet()
 to unpackStyleSheet(), added unpackProperty() for direct formattings,
 loadStyleSheet() now unpacks properties and merges pseudo class attributes
 on the fly, removed NULLOFFS, new ui.ThemeName is "default desktop"
 * Layout base class added
 * Default layouter: Now uses the Layout base class in an upvalue to new(),
 added version string, handles weights internally when a change of a group's
 contents or weights is indicated using the FL_CHANGED flag, bugs in the
 SameSize calculation corrected, removed the "auto" state for Width and
 Height, the logic is now more concise and faster
 * Theme: The internal style sheet is now more minimal and has been renamed
 to "minimal", many properties have been relocated to the new "default" style
 sheet
 * Renamed 'check' and 'radio' images to 'checkmark' and 'radiobutton',
 respectively
 * Region:trans() renamed to shift(), isNull() to isEmpty()
 * Makefiles updated to install new classes, args.lua, fixed layouter, new
 style sheets
 * Markup: Tables produced erroneous HTML - now pop the current block from the
 stack
 * Documentation generator: added macro support, added child class macro,
 tables did not break out of the current block, corrected
 * improved documentation generator, documentation, stylesheet, README

=== 0.8h: ===

 * Window, Application: Hotkeys are now actuated on keydown, not on keyup
 * Area, UI, Theme, internal stylesheet: PEN_PARENTGROUP renamed to
 PEN_DEFAULT, "parent-group" pseudo-color renamed to "default", the default
 color is now also evaluated for the foreground color
 * ImageGadget: Now supports PEN_DEFAULT for not using a single pen for
 rendering its imagery. This allows control over the greying-out behaviour
 of images in style sheets. Crashed when no image was set; corrected
 * UI, Display, Theme: Added symbolic pens PAPER and INK, DISABLEDDETAIL2
 renamed to DISABLEDDETAILSHINE, LIST2 renamed to LISTALT, symbolic color
 keys "disabled-detail2" renamed to "disabled-detail-shine", "list2" to
 "list-alt"
 * Display: more symbolic colors added (black, white, fuchsia, ...),
 changed cursor color
 * Theme, internal stylesheet: added "field" class
 * ScrollBar: Implementation of arrow button and slider checkFocus() was
 broken, corrected, added AcceptFocus attribute
 * ScrollGroup: AcceptFocus attribute added
 * dark.css stylesheet added
 * UI: loadLibrary(), require() added, removed pattern argument from
 loadClass(), minimum version requirements are now enforced in most classes
 * Slider: now checks if it is allowed to receive the focus before it enters
 capture mode
 * Class:checkDescend() renamed to instanceOf()
 * Group:onActivateGroup() added
 * Window, UI: Doubleclick jitter and timeout are now defined in UI
 * Gendoc: NAME argument is now /K, HEADER is now /K/M, allowing multiple
 header files. A reference document is now supplied to normal jumps
 * UTF8String: find(), chars() added
 * Canvas: focusRect() now has an optional "smooth" scroll positioning
 argument, sanity check added
 * Text: now uses the "IgnoreAltShift" peudo qualifier for Keycode shortcuts,
 KeyCode attribute was lost during repeated invocations of setup(), corrected,
 'color2' style property renamed to 'color-disabled'
 * Raw Framebuffer display driver: added
 * 64bit fixes and source code maintenance adjustments merged in from TEKlib
 * X11 Display: Now using the XVid extension and a more sophisticated window
 opening procedure to much better support fullscreen applications
 * Visual, displays, Drawable: Added TVCMD_FLUSH command to TVRequest, a
 flush() method and a dirty flag indicating visual changes
 * Visual, Lua bindings: Added length argument to textSize()
 * Args: Partly rewritten, now handles missing keywords correctly in /M/K
 modifiers
 * Region: added trans(), isNull()
 * Region, Visual: Added _VERSION
 * Application: fixed initial double refresh bug, requestFile() now supports
 an additional FocusElement argument, setLastKey() added, requesters receive
 the style class "app-dialog", addMember() now connects children recursively,
 getModalWindow() added
 * Area:layout() now handles blits in transposed drawing contexts
 * DirList: Added AutoWidth and FocusElement attributes, location field now
 advances to the action button when Return is pressed
 * Drawable:getClipRect() added, any number of symbolic colors can now be
 allocated
 * Frame:layoutBorder() split off from layout()
 * ListGadget: fixed to work in absence of a style sheet
 * Window:addBlit() added, update() now calls flush() after repaints, the 
 KEYDOWN message handler now checks if a popup to which this event may have
 been forwarded collapsed already, improved key repeat/retrigger handling

=== 0.8g: ===

 * Argument parser: Arguments with whitespaces were treated incorrectly 
 even if they were surrounded by quotes, corrected
 * Documentation generator: Added --author, --created, --adddate options
 * Markup: Added metadata options for "author" and "created"
 * Canvas:damageChild() can now be called without a layout, allowing
 ListGadget:repaint() to work outside Application:run()
 * DirList: added onSelectEntry() handler
 * Application, Window: Major simplification in setup and closedown 
 procedure, the show() method is now invoked shortly after opening the
 window
 * Area: Changed meaning of the EraseBG attribute, removed calcOffset,
 BGPen renamed to BGColor, getElementByXY() renamed to Area:getByXY()
 * Drawable: removed closeFont(), fitMinAspect(), openFont(), drawPlot()
 renamed to drawPoint()
 * Gadget: Effect renamed to EffectClass, BGPen... to BG..., FGPen... to
 FG..., InitialFocus is now functional, removed onHold(), simplified
 * Gadget, FloatText: FGPen renamed to FGColor
 * ListGadget: Renamed BGPenAlt to BGAlt
 * TextInput: Renamed BGPenCursor to BGCursor
 * Window:getWindowDimensions() renamed to askMinMax(), show() now invokes
 Group.show() before askMinMax(), now creates a Drawable during setup()
 and passes it to its superclass during show()
 * Theme, stylesheets: effect renamed to effect-class, smaller handles
 * Default Border, DrawHook, Border, Ripple Hook: show() renamed to
 setup(), hide() renamed to cleanup() 
 * Frame, ListGadget, TextInput: simplified
 * ScrollBar, Slider: now register Hold notification themselves
 * Application: Status can now be "init", "error", "run" and "quit", some
 cleanup
 * Application, Area and demos: Some cleanup, improved documentation,
 demos, texts and imagery
 * Visual module: Added VISUAL_USE_INTERNAL_HASH compile-time option
 * Gendoc: Added --heading option
 * Theme, internal stylesheet: Slightly changed looks of handles

=== 0.8f: ===

 * Element: Major speedup in parsing style properties
 * Drawable:openFont(), closeFont(), fitMinAspect() added, Visual API:
 font:getTextSize() added, Font and Display usage simplified in shortened
 many classes
 * Improved some demos, texts, localizations, and style sheets
 * Compiler: added commandline arguments
 * C sources and their symbol names are now better suited for amalgamed
 builds
 * Removed unused memory managers from TEKlib
 * Application: Added GCControl
 * Application, PopupWindow: Removed use of checkDescend()
 * FloatText: corrected flaky color property evaluation, UnusedRegion,
 updateUnusedRegion() removed, now handled by Canvas
 * Gauge, Slider: Added BackgroundRegion, updateBackgroundRegion(), faster
 repaint
 * Region: now supports a custom datatype for rectangles, renamed
 overlap...() to intersect...(), removed free() and intersect() methods,
 added caching of rectangle nodes, management and caching of rectangle
 nodes now more efficient, removed getRects(), replaced by forEach()
 * Area, Canvas, FloatText, Gauge, Group, ImageGadget, ListGadget,
 ScrollGroup, Slider, Window: Now using region:forEach() instead of
 region:getRects()
 * Default border, Border: getBorderRegion() renamed to getRegion(), now
 expecting a border to be supplied by the caller, now determines group
 color from getBGElement()
 * UI: added allocRegion(), freeRegion(), newRegion(), reuseRegion(),
 destroyHook(), ProgDir is now guaranteed to contain a trailing path
 separator
 * Area, Canvas, Frame, Gauge, Group, ListGadget, Slider: added region
 caching and reusing
 * ListGadget, FloatText: innerloop of draw() is now a separate function
 * Element: Added getAttr()
 * PopItem: implemented "menuitem-size" via getAttr()
 * Area:getBackground() renamed to getBG(), getRectangle() to getRect(),
 markDamage() to damage(), focusRectangle() to focusRect(),
 BackgroundPosition to BGPosition, removed getElement(), added
 getChildren(), getSiblings(), getParent(), getGroup(), getNext(),
 getPrev(), checkHover(), getBGElement(), Display removed, show() now
 takes only a Drawable as an argument and has no return value anymore
 * Application: Renamed CollectGarbage to GCControl, VendorName to Vendor,
 VendorDomain to Domain
 * Canvas: renamed markChildDamage() to damageChild(), added UseChildBG
 attribute, onSetChild() is no longer passed ui.NOTIFY_OLDVALUE, now
 handles child margins
 * CheckMark, RadioButton: renamed AltImage to SelectImage
 * DirList: renamed getDirectoryIterator() to getDirIterator()
 * Display: renamed colorNameToRGB() to colorToRGB(), closeFont() now
 always returns false
 * FloatText: renamed Reposition argument from "bottom" to "tail"
 * Gadget: renamed EffectName to Effect
 * X11 Display: Added missing X11 include, added support for UTF-8 encoded
 window titles, added fontconfig closedown, fixed uninitialized stack and 
 minor memory leak problems
 * Window:handleInput() doesn't update MouseX,MouseY generally anymore
 but in appropriate handlers
 * PopList: Renamed onSelectEntry() to onSelectLine()
 * Nano-X, X11 Display: stdin reader did not handle incomplete reads
 correctly, fixed

=== 0.8e: ===

 * Eliminated the use of 'ipairs' in many classes 
 * Visual API, Image, ImageGadget, stock images: Changed image table
 structure, added preliminary support for bitmap pens in frect(), removed
 futile attemps in rounding from drawimage()
 * UI: Renamed createImage() to getStockImage(), added loadImage(),
 "background-image" handled, simplified match patterns in property
 preparation
 * UI, Object: NOTIFY_ALWAYS now behaves like former NOTIFY_CHANGE,
 NOTIFY_CHANGE has been removed
 * Visual, Visual/Lua binding, display drivers: TVisualText() no longer
 supports a background pen 
 * Nano-X Display driver: drawbuffer now fully supported
 * Visual/Lua binding: drawtext() now requires the complete text bounding
 box, supports background pixmaps and an additional x/y argument for the
 texture origin, frect() now supports an additional x/y argument pair for
 the texture origin
 * Default border: Group and element origins are now considered for texture
 origins
 * Area: Added BackgroundPosition attribute, "background-position" style
 property, getBackground() function, erase() now handles texture origins,
 init() now resets Focus, DamageRegion is or'ed to (no longer overwritten
 during layout) and no longer reset in erase() but in refresh()
 * Area, Canvas, FloatText, Gauge, Group, ImageGadget, ListGadget, Slider:
 erase() and draw() now consider texture origin
 * Display: Added AspectX, AspectY, added fitMinAspect(), added pixmap cache,
 createPixmap(), loadPixmap(), getPixmap(), "ui-huge" font default is now
 "Utopia", which is scalable and common under X11 even without Xft support
 * Drawable: Removed AspectX, AspectY, added support for color allocation by
 accessing Pens with an "#rrggbb" key, added texture loader reacting on
 url(...) keys, RGB colors are now cached with an unique identifier to avoid
 double allocation, some sanity checks added
 * ImageGadget: Some layouting problems fixed, added several checks for
 presence of an image, now supports ImageAspectX, ImageAspectY
 * PopItem: removed "popup-root" and "popup-children" pseudo classes, these
 are now predefined classes and set during connect() if no other Class is
 specified
 * Element, Application:getElementById(), getId() unified and renamed to
 getById()
 * Visual API: Added pixmap objects, createpixmap(), freepixmap(), renamed
 drawppm() to drawpixmap(), frect() now supports rendering a pixmap with a
 texture origin
 * Merged BitmapImage and VectorImage class to Image
 * Gadget: onActivate() now implements collapsing of popups, removed the same
 functionality from PopItem - CheckMark, RadioButtons etc. are now functional
 in popups
 * Group:markDamage() checks for presence of a FreeRegion now, markDamage()
 and layout() are now better prepared for tracking intra-area damages
 * PopItem: no longer resets Selected and Focus when opening
 * Region: checkoverlap() always returned true, corrected
 * CHANGES, VERSION: added
 * Documentation improved 
 * Gendoc: Added support for the --header option in class tree documentations
 * Theme, internal stylesheet: Added background-position attributes
 * Installation: BitmapImage, VectorImage classes removed, Image class,
 desktop.css, texture.css added
 * Gauges with vertical orientation are now running from bottom to top
 * Minor corrections in image layouting procedures and image data
 * CheckMark, PopItem: Improved image size calculation
 * MenuItem, PopList, Arrow Images: Corrected distorted coordinates
 * X11 Display: Removed a kludge that disabled Xft font rendering when the
 composite extension was detected
 * Theme, Family, Element, Drawable, Button, Application, UTF8String: Minor
 corrections in the documentation
 * Demos: Images were incompletely read under Windows and appeared scrambled,
 corrected, improved border demo, changed some font attributes

=== 0.8d: ===

 * Application:quit() added, can now be passed an initial Display
 * Area, Canvas, Gadget: Added AutoPosition feature
 * CheckMark:setState(): Hilite has now precedence over Selected
 * CheckMark, RadioButton, ScrollBar: Now using external images
 * Compiler: added
 * Debug: Default level reset to WARN (this time also reflected in the
 documentation)
 * Display: added colors user1 ... user4, colorNameToRGB(),
 getPaletteEntry(), removed allocPens()
 * Drawable: now supports on-demand allocation of custom colors
 * Element: Added getNumProperty(), slightly optimized
 * List:changeItem() was using a global instead of an argument, corrected
 * Installation procedure corrected
 * Meter class and example rewritten
 * Minor corrections and improvements in the documentation
 * PopItems: corrected notification handler for Active, fixing long-standing
 double-activation bug
 * Region.new() can now cope with an empty initial rectangle
 * Slider: AutoFocus is now false by default, improved keyboard usage
 * Theme, internal stylesheet: minor corrections
 * Text:getTextSize() now also returns the layouted x/y, if present
 * UI: Added image class loader and createImage(), added PEN_NUMBER,
 PEN_USER1
 through PEN_USER4, createHook() now returns false on the predefined name
 "none"
 * UI, Display, Theme: PEN_LIGHT removed, added PEN_OUTLINE
 * UTF8String: set() and char() can now be overridden, removed __tostring()
 and __concat(), unpack() was not known in byte()
 * VectorImage, BitmapImage: data fields are now indexed numerically
 * Visual API: drawImage() data structure changed, implementation simplified
 and several problems rectified
 * Visual:drawImage(), ImageGadget, VectorImage:draw() now supports an
 override_pen argument for rendering an image monochromatically

=== 0.8c: ===

 * README: Improved, updated
 * Debug: verbosity set to ERROR
 * Application: requestFile() arg.Center can now be set to false
 * Area: layout() simplified, should handle more blitting cases
 * Button, CheckMark, MenuItem, PopItem: keycode can now be set to false
 * FloatText, ListGadget: TrackDamage can now be set to false
 * Frame: border repaints can now be avoided if an element was blitted
 * Text:onSetText() causes a less destructive repaint if KeepMinWidth is
 enabled
 * Window: blits and updates are now implemented in the overriden refresh()
 method and synchronized, removed notify option in SetHiliteElement(),
 setFocusElement(), setActiveElement(), setDblClickElement(), improved
 documentation

=== 0.8b: ===

 * CHANGES added