rene schrieb am Freitag, 26. Januar 2024 um 08:13:51 UTC+1:
> Alexandru schrieb am Freitag, 26. Januar 2024 um 07:38:16 UTC+1:
> > Don Porter schrieb am Montag, 8. Januar 2024 um 20:42:48 UTC+1:
> > > Tcl/Tk 9.0b1 Release Announcement
> > > January 8, 2024
> > >
> > > The Tcl Core Team is pleased to announce the 9.0b1 releases of the Tcl
> > > dynamic language and the Tk graphical interface package. These are the
> > > first beta releases of Tcl 9.0 and Tk 9.0. More details can be found below.
> > >
> > > We would like to express our gratitude to all those who submit bug
> > > reports and patches. This information is invaluable in enabling us
> > > to identify and eliminate problems in the core. Such reports can be
> > > submitted here.
> > >
> > > https://core.tcl-lang.org/tcl/ticket
> > > https://core.tcl-lang.org/tk/ticket
> > >
> > > We ask that you log in (anonymous if you wish) to create tickets.
> > > This deters abuse of the ticketing system:
> > >
> > > https://core.tcl-lang.org/tcl/login
> > > https://core.tcl-lang.org/tcl/login
> > >
> > > Where to get the new releases:
> > > ------------------------------
> > >
> > > Tcl/Tk 9.0b1 sources are freely available as open source from the Tcl
> > > SourceForge project's file distribution area:
> > >
> > > https://sourceforge.net/projects/tcl/files/
> > >
> > > This distribution is source code only. We keep links to some third
> > > parties offering pre-built binaries for various systems here:
> > >
> > > https://www.tcl-lang.org/software/tcltk/bindist.html" rel="nofollow" target="_blank">https://www.tcl-lang.org/software/tcltk/bindist.html
> > >
> > > General Summary
> > > ---------------
> > >
> > > These are new major versions of both Tcl and Tk. There are new features
> > > to be enjoyed. There are incompatibilities to be considered. The list
> > > of both is long and detailed and not fully included here. We believe many
> > > scripts written for Tcl 8 will run unchanged in Tcl 9. We believe many more
> > > can be modified in small and simple ways to produce a new script that runs
> > > in both Tcl 8 and Tcl 9. We expect that extensions and applications using
> > > the public C APIs of Tcl and Tk will involve more effort, but that it is
> > > still within reasonable reach to produce source code supporting both Tcl 8
> > > and Tcl 9 while both releases remain in widespread use.
> > >
> > > These are beta releases. The developers believe the new feature set is
> > > complete enough and the code quality is high enough that it is time for
> > > a larger audience of Tcl/Tk users to give them a try and report back
> > > to the developers what difficulties need resolution before stable
> > > releases of Tcl/Tk 9.0.0.
> > >
> > > The experiences of Tcl/Tk 8 users adapting their code to the beta releases
> > > of Tcl/Tk 9 will shape the final interfaces of Tcl/Tk 9.0.0, and will
> > > determine the need for possible Tcl/Tk 8.7 releases that might supply
> > > additional lifecycle and migration support.
> > >
> > > It is not recommended to deploy these beta releases directly to mission
> > > critical use without significant testing and review.
> > >
> > > Some of the most noteworthy changes:
> > >
> > > Tcl 9:
> > >
> > > * 64-bit capacity: Data values larger than 2Gb
> > >
> > > * Internationalization of text
> > > - Full Unicode range of codepoints
> > > - New encodings: utf-16(le|be), ucs-2(le|be), CESU-8, etc.
> > > - [encoding] options -profile, -failindex manage encoding of I/O.
> > > - [msgcat] supports custom locale search list
> > > - [source] defaults to -encoding utf-8
> > >
> > > * Zip filesystems and attached archives.
> > >
> > > * Unix notifiers available using epoll() or kqueue()
> > > - relieves limits on file descriptors imposed by legacy select()
> > >
> > > * Notable incompatibilities
> > > - Unqualified varnames resolved in current namespace, not global.
> > > - No --disable-threads build option. Always thread-enabled.
> > > - I/O malencoding default response: raise error (-profile strict)
> > > - Windows platform needs Windows 7 or Windows Server 2008 R2 or later
> > > - Ended interpretation of ~ as home directory in pathnames
> > > - Removed the "identity" encoding
> > > - $::tcl_precision no longer controls string generation of doubles
> > > - Removed Tcl 7 legacies: [case], [puts] [read] variant syntaxes
> > > - Removed subcommands [trace variable|vdelete|vinfo]
> > >
> > > * Incompatibilities in C public interface
> > > - Many arguments expanded type from int to Tcl_Size
> > > - Ended support for Tcl_ChannelTypeVersion less than 5
> > > - Introduced versioning of the Tcl_ObjType struct
> > > - Removed macros CONST*: Tcl 9 support means dropping Tcl 8.3 support
> > > - Removed routines:
> > > Tcl_Backslash(), Tcl_*VA(), Tcl_*MathFunc*(), Tcl_MakeSafe(),
> > > Tcl_(Save|Restore|Discard|Free)Result(), Tcl_EvalTokens(),
> > > Tcl_(Get|Set)DefaultEncodingDir(),
> > > Tcl_UniCharN(case)cmp(), Tcl_UniCharCaseMatch()
> > >
> > > * New commands
> > > - [array default], [array for]
> > > - [coroinject], [coroprobe]
> > > - [clock add weekdays]
> > > - [const], [info const*]
> > > - [dict getdefault]
> > > - [file tempdir], [file home], [file tildeexpand]
> > > - [info commandtype]
> > > - [ledit]
> > > - [lpop]
> > > - [lremove]
> > > - [lseq]
> > > - [package files]
> > > - [string insert], [string is dict]
> > > - [tcl::process]
> > >
> > > * New command options
> > > - [regsub ... -command ...]
> > > - [lsearch ... -stride ...]
> > > - [socket ... -nodelay ... -keepalive ...]
> > > - [vwait] controlled by several new options
> > >
> > > * Numbers
> > > - 0NNN format is no longer octal interpretation. Use 0oNNN.
> > > - 0dNNNN format to compel decimal interpretation.
> > > - NN_NNN_NNN, underscores in numbers for optional readability
> > > - Functions: isinf() isnan() isnormal() issubnormal() isunordered()
> > > - [fpclassify]
> > > - Function int() no longer truncates to word size
> > >
> > > * tcl::oo facilities
> > > - private variable and methods
> > > - [method -export], [method -unexport]
> > >
> > > Tk 9:
> > >
> > > * Many improvements to use of platform features and conventions.
> > > - Built-in widgets and themes are scaling-aware.
> > > - Improved support of two-finger gestures, where available
> > > - The [tk windowingsystem] "aqua" needs macOS 10.10 or later
> > >
> > > * New commands and options
> > > - [tk sysnotify]: access to the OS notifications system
> > > - [tk systray]: access to the OS tray facility
> > > - [tk print]: access to the OS printing facility
> > >
> > > * Widget options
> > > - New ttk::progressbar option: -text
> > > - [$frame ... -backgroundimage $img -tile $bool]
> > > - [$menu id], [$menu add|insert ... ?$id? ...]
> > > - [$image get ... -withalpha ...]
> > >
> > > * Improved widget appearance
> > > - ttk::notebook with nondefault tab positions
> > >
> > > * Images
> > > - Partial SVG support
> > > - Read/write access to photo image metadata
> > >
> > > Tcl Improvement Proposals (TIPs)
> > > --------------------------------
> > >
> > > Each new user-visible feature in Tcl or Tk should find its origins in
> > > a Tcl Improvement Proposal (TIP). TIPs are published, edited, considered
> > > and voted in public, and should contain valuable information about how
> > > a feature came to be the way it is. See the full collection here:
> > >
> > > https://tip.tcl-lang.org/
> > >
> > > Additional support resources
> > > ----------------------------
> > >
> > > See the following links for an accumulation of migration advice:
> > >
> > > https://core.tcl-lang.org/tcl/wiki?name=Migrating+C+extensions+to+Tcl+9
> > > https://core.tcl-lang.org/tcl/wiki?name=Migrating+scripts+to+Tcl+9
> > >
> > > There has been much progress already porting many known applications,
> > > extensions, and packages in the Tcl world to compatibility with Tcl/Tk 9:
> > >
> > > https://wiki.tcl-lang.org/page/Apps+confirmed+to+work+with+Tcl+9
> > > https://wiki.tcl-lang.org/page/Porting+extensions+to+Tcl+9
> > >
> > > For additional information:
> > > ---------------------------
> > >
> > > Please visit the Tcl Developer Xchange web site:
> > >
> > > https://www.tcl-lang.org/
> > >
> > > This site contains a variety of information about Tcl/Tk in general, the
> > > core Tcl and Tk distributions, Tcl development tools, and much more.
> > >
> > > --
> > > Tcl Core Team and Maintainers
> > > Don Porter, Tcl Core Release Manager
> > >
> > > --
> > > | Don Porter Applied and Computational Mathematics Division |
> > > | donald...@nist.gov Information Technology Laboratory |
> > > | http://math.nist.gov/~DPorter/ NIST |
> > > |______________________________________________________________________|
> > I'm using "image create photo $imgname -file $imgfile" to create images from SVG files.
> > Currently the "text" element is not supported.
> > Will this be supported in Tcl/Tk 9.0b?
> >
> No, but you can convert the text in the svg to lines p.e. with inkcsape.
>
> HTH
> rene