(based on Tcl/Tk 8.5b3)

''Please note this page is for reference, not discussions'' (see [Changes in Tcl/Tk])

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**New Command Line Options**

   * '''tclsh -encoding''' ''encoding'' [http://tip.tcl.tk/137] [http://tip.tcl.tk/151]
   * '''wish -encoding''' ''encoding''

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**Tcl Changes**
***New Language Syntax***

   * [{*}]''word'' [http://tip.tcl.tk/157] [http://tip.tcl.tk/293]

***Changes to Tcl Commands***
****New Commands****

   * [apply] [http://tip.tcl.tk/194]
   * [chan] [http://tip.tcl.tk/208] [http://tip.tcl.tk/219] [http://tip.tcl.tk/287]
   * [dict] [http://tip.tcl.tk/111] [http://tip.tcl.tk/163] [http://tip.tcl.tk/212]
   * [lassign] [http://tip.tcl.tk/57]
   * [lrepeat] [http://tip.tcl.tk/136]
   * [lreverse] [http://tip.tcl.tk/272]
   * [tcl::mathfunc]::[abs] [http://tip.tcl.tk/232]
   * tcl::mathfunc::[acos]
   * tcl::mathfunc::[asin]
   * tcl::mathfunc::[atan]
   * tcl::mathfunc::[ceil]
   * tcl::mathfunc::[cos]
   * tcl::mathfunc::[cosh]
   * tcl::mathfunc::[double]
   * tcl::mathfunc::[exp]
   * tcl::mathfunc::[floor]
   * tcl::mathfunc::[fmod]
   * tcl::mathfunc::[hypot]
   * tcl::mathfunc::[int]
   * tcl::mathfunc::[log]
   * tcl::mathfunc::[log10]
   * tcl::mathfunc::[pow]
   * tcl::mathfunc::[rand]
   * tcl::mathfunc::[round]
   * tcl::mathfunc::[sin]
   * tcl::mathfunc::[sqrt]
   * tcl::mathfunc::[srand]
   * tcl::mathfunc::[tan]
   * tcl::mathfunc::[tanh]
   * tcl::mathfunc::[wide]
   * tcl::mathfunc::[bool] [http://tip.tcl.tk/182]
   * tcl::mathfunc::[entier] [http://tip.tcl.tk/237]
   * tcl::mathfunc::[isqrt] [http://tip.tcl.tk/299]
   * tcl::mathfunc::[min] [http://tip.tcl.tk/255]
   * tcl::mathfunc::[max] [http://tip.tcl.tk/255]
   * [tcl::mathop]::[!] [http://tip.tcl.tk/174]
   * tcl::mathop::[!=]
   * tcl::mathop::[%]
   * tcl::mathop::[&]
   * tcl::mathop::[*]
   * tcl::mathop::[+]
   * tcl::mathop::[-]
   * tcl::mathop::[/]
   * tcl::mathop::[<]
   * tcl::mathop::[<<]
   * tcl::mathop::[<=]
   * tcl::mathop::[==]
   * tcl::mathop::[>]
   * tcl::mathop::[>=]
   * tcl::mathop::[>>]
   * tcl::mathop::[^]
   * tcl::mathop::[eq]
   * tcl::mathop::[ne]
   * tcl::mathop::[|]
   * tcl::mathop::[~]
   * tcl::mathop::[**] [http://tip.tcl.tk/123] [http://tip.tcl.tk/274]
   * tcl::mathop::[in] [http://tip.tcl.tk/201]
   * tcl::mathop::[ni]
   * [tcl::pkgconfig] [http://tip.tcl.tk/59]
   * [tcl::tm::path] [http://tip.tcl.tk/189]
   * [tcl::tm::roots]
   * [unload] [http://tip.tcl.tk/100]

****Removed Commands****

   * '''pkg_compareExtension'''

****New Subcommands****

   * [clock add] [http://tip.tcl.tk/173]
   * [clock microseconds] [http://tip.tcl.tk/209]
   * [clock milliseconds] [http://tip.tcl.tk/209]
   * [encoding dirs] [http://tip.tcl.tk/258]
   * [info frame] [http://tip.tcl.tk/280]
   * [interp bgerror] [http://tip.tcl.tk/221]
   * [interp limit] [http://tip.tcl.tk/143]
   * [namespace ensemble] [http://tip.tcl.tk/112]
   * [namespace path] [http://tip.tcl.tk/229]
   * [namespace unknown] [http://tip.tcl.tk/181]
   * [namespace upvar] [http://tip.tcl.tk/250]
   * [package prefer] [http://tip.tcl.tk/268]
   * [string is list] [http://tip.tcl.tk/269]
   * [string is wideinteger] [http://tip.tcl.tk/188]
   * [string reverse] [http://tip.tcl.tk/272]

****Expanded Syntax / New Options****

   * [binary format] '''tnmrRqQ''' ''arg ...'' [http://tip.tcl.tk/129]
   * [binary scan] ''value'' '''tnmrRqQu''' [http://tip.tcl.tk/129] [http://tip.tcl.tk/275]
   * [catch] ''script'' ?''resultVar''? ?''optionsArray''? [http://tip.tcl.tk/90]
   * [clock scan] ''string'' ?'''-format''' ''format''? ?'''-locale''' ''name''? ?'''-timezone''' ''timeZone''? [http://tip.tcl.tk/173]
   * [clock format] ''integer'' ?'''-locale''' ''name''? ?'''-timezone''' ''timeZone''? ?'''-format %Ec%EC%EE%Ex%EX%Ey%EY%J%N%Od%Oe%OH%OI%Ok%Ol%Om%OM%OS%Ou%Ow%Oy%P%Q%z%+'''? [http://tip.tcl.tk/173]
   * [exec] ?'''-ignorestderr'''? ''executable'' ?2>@1? [http://tip.tcl.tk/202] [http://tip.tcl.tk/267]
   * New [expr] operators: '''**''', '''in''', '''ni''' [http://tip.tcl.tk/123] [http://tip.tcl.tk/274] [http://tip.tcl.tk/201]
   * New [expr] functions: '''bool()''', '''entier()''', '''isqrt()''', '''min()''', '''max()''' [http://tip.tcl.tk/182] [http://tip.tcl.tk/237] [http://tip.tcl.tk/299] [http://tip.tcl.tk/255] [http://tip.tcl.tk/255]
   * [file attributes] '''-readonly -creator -type -hidden -rsrclength''' [http://tip.tcl.tk/118]
   * [format] '''%lld%lli%llo%llx%llX''' [http://tip.tcl.tk/237]
   * [interp invokehidden] ''interp'' '''-namespace''' ''namespace'' [http://tip.tcl.tk/207]
   * [lsearch] '''-index''' '''-nocase''' '''-subindices''' [http://tip.tcl.tk/127] [http://tip.tcl.tk/241]
   * [lsort] '''-indices''' '''-nocase''' [http://tip.tcl.tk/217] [http://tip.tcl.tk/241]
   * [open] ''filename'' '''BINARY''' [http://tip.tcl.tk/183]
   * [open] ''filename'' [[rwa]]'''b'''
   * [open] {'''|''' ''executable'' '''2>@1'''} [http://tip.tcl.tk/202]
   * [package present] ''package'' ?''requirement'' ...? [http://tip.tcl.tk/268]
   * [package require] ''package'' ?''requirement'' ...? [http://tip.tcl.tk/268]
   * [package vsatisfies] ''requirement'' ...? [http://tip.tcl.tk/268]
   * [return] '''-level''' ''level'' '''-errorline''' ''line'' [http://tip.tcl.tk/90]
   * [scan] '''%lld%lli%llo%llx%llX''' [http://tip.tcl.tk/237]
   * [source] '''-encoding''' ''encoding'' [http://tip.tcl.tk/137] [http://tip.tcl.tk/151]
   * [switch] '''-nocase''' '''-matchvar''' ''varName'' '''-indexvar''' ''varName'' [http://tip.tcl.tk/75] [http://tip.tcl.tk/241]

***Changes to Tcl variables***
****New global variables****

   * [tcl_platform]('''pointerSize''') [http://tip.tcl.tk/291]

****Removed global variables****

   * [auto_oldpath]
   * [tcl_libPath] [http://tip.tcl.tk/258]

***Changed Tcl behavior***

   * [clock clicks] returns microseconds since the epoch [http://tip.tcl.tk/124]
   * [expr]: script level definition of functions [http://tip.tcl.tk/232]
   * [expr], [incr], [string is double]: Unlimited range of integer values supported; integer calculations no longer overflow [http://tip.tcl.tk/237]
   * [incr]: auto-initializes unset variable [http://tip.tcl.tk/215]
   * [global] ''varName'' '''(''' ''elemName'' ''')''' raises error [http://tip.tcl.tk/184]
   * [lindex],[linsert],[lrange],[lreplace],[lset],[string index]: indices support ''integer''[[+-]]''integer'' and '''end'''[[+-]]''integer'' syntax [http://tip.tcl.tk/176]
   * [list]: properly quotes the '''#''' character [http://tip.tcl.tk/148]
   * [namespace import] returns imported commands [http://tip.tcl.tk/261]
   * [package unknown] callback takes {''packageName'' '''args'''} arguments where '''args''' is list of requirements. [http://tip.tcl.tk/268]
   * [upvar] ''level'' ''varName'' '''(''' ''elemName'' ''')''' ''varName'' '''(''' ''elemName'' ''')''' raises error [http://tip.tcl.tk/184]
   * Default value of [tcl_precision] is '''0''', meaning ''as many digits as needed for no loss of precision'' [http://tip.tcl.tk/132]
   * Default [package unknown] supports Tcl Modules [http://tip.tcl.tk/189]
   * [tcl_precision] has the value 0 by default (was 12 in Tcl 8.4)
   * The following commands are script-modifiable [ensemble]s: [chan], [clock], [dict], [info], [string]

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**Tk Changes**
***Changes to Tk Commands***
****New Commands****

   * [tk::pkgconfig] [http://tip.tcl.tk/205]
   * tk::[button] [http://tip.tcl.tk/248]
   * tk::[canvas]
   * tk::[checkbutton]
   * tk::[entry]
   * tk::[frame]
   * tk::[label]
   * tk::[labelframe]
   * tk::[listbox]
   * tk::[menubutton]
   * tk::[message]
   * tk::[panedwindow]
   * tk::[radiobutton]
   * tk::[scale]
   * tk::[scrollbar]
   * tk::[spinbox]
   * tk::[text]
   * tk::[toplevel]
   * [ttk::button]
   * [ttk::checkbutton]
   * [ttk::combobox]
   * [ttk::entry]
   * [ttk::frame]
   * [ttk::labelframe]
   * [ttk::label]
   * [ttk::menubutton]
   * [ttk::notebook]
   * [ttk::panedwindow]
   * [ttk::progressbar]
   * [ttk::radiobutton]
   * [ttk::scrollbar]
   * [ttk::separator]
   * [ttk::sizegrip]
   * [ttk::style]
   * [ttk::treeview]

****New Subcommands****

   * [grid anchor] [http://tip.tcl.tk/146]
   * ''[menu]'' '''xposition''' ''index'' [http://tip.tcl.tk/286]
   * ''[text]'' '''count''' [http://tip.tcl.tk/155]
   * ''[text]'' '''peer''' [http://tip.tcl.tk/169]
   * ''[text]'' '''replace''' [http://tip.tcl.tk/155]
   * [text] ''window'' '''-blockcursor''' ''boolean'' '''-tabstyle''' ''style'' [http://tip.tcl.tk/155] [http://tip.tcl.tk/256]
   * [tk inactive] [http://tip.tcl.tk/245]
   * [wm iconphoto] [http://tip.tcl.tk/159]
   * [wm manage] and [wm forget] [http://tip.tcl.tk/125]

****Expanded Syntax / New Options****

   * ''[canvas]'' '''create line -smooth raw''' [http://tip.tcl.tk/168]
   * ''[canvas]'' '''create line -smooth true'''
   * ''[canvas]'' '''create polygon -smooth raw'''
   * ''[canvas]'' '''create polygon -smooth true'''
   * ''[canvas]'' '''create text -underline''' ''index'' [http://tip.tcl.tk/260]
   * [checkbutton] '''-tristatevalue''' ''value'' '''-tristateimage''' ''image'' [http://tip.tcl.tk/110]
   * [event generate] ''window'' ''event'' '''-data''' ''string'' [http://tip.tcl.tk/165]
   * [font actual] ''font'' ''char'' [http://tip.tcl.tk/300]
   * ''[panedwindow]'' '''paneconfigure''' ''window'' '''-hide''' ''boolean'' '''-stretch''' ''value'' [http://tip.tcl.tk/177] [http://tip.tcl.tk/179]
   * [radiobutton] '''-tristatevalue''' ''value'' '''-tristateimage''' ''image'' [http://tip.tcl.tk/110]
   * ''[text]'' '''search -all -nolinestop'''  [http://tip.tcl.tk/113]
   * [tk_messageBox] '''-detail''' ''detail'' [http://tip.tcl.tk/152]
   * [wm attributes] '''-alpha''' ''fraction'' '''-fullscreen -topmost -zoomed''' [http://tip.tcl.tk/222] [http://tip.tcl.tk/223] [http://tip.tcl.tk/231] and '''-notify''' (on MacOS X)
   * '''-typevariable''' added to [tk_getOpenFile] and [tk_getSaveFile] [http://tip.tcl.tk/242]
   * [grid]: adds the ''grid anchor'' command and the default anchor is nw (while 8.4 behavior was center)

***Changed Tk behavior***

   * [checkbutton], [radiobutton]: new look [http://tip.tcl.tk/109]
   * [grid columnconfigure], [grid rowconfigure]: accept widget names and '''all''' [http://tip.tcl.tk/147]
   * [text] does smooth scrolling [http://tip.tcl.tk/155]
   * [winfo toplevel] supports extension-created windows [http://tip.tcl.tk/153]
   * Photo out of memory give error, not panic [http://tip.tcl.tk/116]
   * Enhanced Tk Font Handling (named fonts, etc.) [http://tip.tcl.tk/145]

****New Events****

   * '''<TraverseIn>''' [http://tip.tcl.tk/204]
   * '''<TraverseOut>''' [http://tip.tcl.tk/204]
   * '''<KP_Enter>''' on Windows [http://tip.tcl.tk/158]

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**Changes to Bundled Packages**
***New packages***

   * [ttk::theme::alt] '''8.5''' [http://tip.tcl.tk/248]
   * [ttk::theme::classic] '''8.5''' [http://tip.tcl.tk/248]
   * [ttk::theme::default] '''8.5''' [http://tip.tcl.tk/248]
   * [ttk::theme::clam] '''8.5''' [http://tip.tcl.tk/248]
   * [tile] '''0.8.0''' [http://tip.tcl.tk/248]
   * [Ttk] '''8.5b2''' [http://tip.tcl.tk/248]
   * [platform] '''1.0.3''' [http://tip.tcl.tk/291]
   * [platform::shell] '''1.1.3''' [http://tip.tcl.tk/291]
   * [tcl::tommath] '''8.5b2'''

***Updated packages***

   * [dde] 1.3.2 [http://tip.tcl.tk/120] [http://tip.tcl.tk/130] [http://tip.tcl.tk/135]
   * [msgcat] 1.4.2 [http://tip.tcl.tk/156]
   * [opt] 0.4.5
   * [registry] 1.2.1
   * [tcltest] 2.3b1

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[What other kinds of changes will a developer have to make when moving from Tcl 8.4 to 8.5?]

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!!!!!!
%|[Category Documentation]|[Changes in Tcl/Tk]|%
!!!!!!