Version 227 of Changes in Tcl/Tk 8.5

(based on Tcl/Tk 8.5b2)

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

New Language Syntax

New Command Line Options

Tcl: New Commands

Tcl: Removed Commands

Tcl: New Subcommands

Tcl: Expanded Syntax / New Options

binary format tnmrRqQ arg ... [L43 ]
binary scan value tnmrRqQu [L44 ] [L45 ]
catch script ?resultVar? ?optionsArray? [L46 ]
clock scan string ?-format format? ?-locale name? ?-timezone timeZone? [L47 ]
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%+? [L48 ]
exec ?-ignorestderr? executable ?2>@1? [L49 ] [L50 ]
New expr operators: **, in, ni [L51 ] [L52 ] [L53 ]
New expr functions: bool(), entier(), isqrt(), min(), max() [L54 ] [L55 ] [L56 ] [L57 ] [L58 ]
file attributes -readonly -creator -type -hidden -rsrclength [L59 ]
format %lld%lli%llo%llx%llX [L60 ]
interp invokehidden interp -namespace namespace [L61 ]
lsearch -index -nocase -subindices [L62 ] [L63 ]
lsort -indices -nocase [L64 ] [L65 ]
open filename BINARY [L66 ]
open filename [rwa]b
open {| executable 2>@1} [L67 ]
package present package ?requirement ...? [L68 ]
package require package ?requirement ...? [L69 ]
package vsatisfies requirement ...? [L70 ]
return -level level -errorline line [L71 ]
scan %lld%lli%llo%llx%llX [L72 ]
source -encoding encoding [L73 ] [L74 ]
switch -nocase -matchvar varName -indexvar varName [L75 ] [L76 ]

New Tcl global variables

Removed Tcl global variables

Tcl: Changed behavior

clock clicks returns microseconds since the epoch [L79 ]
expr: script level definition of functions [L80 ]
expr, incr, string is double: Unlimited range of integer values supported; integer calculations no longer overflow [L81 ]
incr: auto-initializes unset variable [L82 ]
global varName ( elemName ) raises error [L83 ]
lindex,linsert,lrange,lreplace,lset,string index: indices support integer[+-]integer and end[+-]integer syntax [L84 ]
list: properly quotes the # character [L85 ]
namespace import returns imported commands [L86 ]
package unknown callback takes {packageName args} arguments where args is list of requirements. [L87 ]
upvar level varName ( elemName ) varName ( elemName ) raises error [L88 ]
Default value of tcl_precision is 0, meaning as many digits as needed for no loss of precision [L89 ]
Default package unknown supports Tcl Modules [L90 ]

Tk: New Commands

Tk: New Subcommands

Tk: New Events

Tk: Expanded Syntax / New Options

canvas create line -smooth raw [L106 ]
canvas create line -smooth true
canvas create polygon -smooth raw
canvas create polygon -smooth true
canvas create text -unserline index [L107 ]
checkbutton -tristatevalue value -tristateimage image [L108 ]
event generate window event -data string [L109 ]
font actual font char [L110 ]
panedwindow paneconfigure window -hide boolean -stretch value [L111 ] [L112 ]
radiobutton -tristatevalue value -tristateimage image [L113 ]
text search -all -nolinestop [L114 ]
tk_messageBox -detail detail [L115 ]
wm attributes -alpha fraction -fullscreen -topmost -zoomed [L116 ] [L117 ] [L118 ]
-typevariable added to tk_getOpenFile and tk_getSaveFile [L119 ]

Tk: Changed behavior

checkbutton, radiobutton: new look [L120 ]
grid columnconfigure, grid rowconfigure: accept widget names and all [L121 ]
text does smooth scrolling [L122 ]
winfo toplevel supports extension-created windows [L123 ]
Photo out of memory give error, not panic [L124 ]
Enhanced Tk Font Handling (named fonts, etc.) [L125 ]

New packages

Updated packages

Category Documentation	Changes in Tcl/Tk