Version 206 of Changes in Tcl/Tk 8.5

(based on Tcl/Tk 8.5b1)

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 ... [L42 ]
binary scan value tnmrRqQu [L43 ] [L44 ]
catch script ?resultVar? ?optionsArray? [L45 ]
clock scan string ?-format format? ?-locale name? ?-timezone timeZone? [L46 ]
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%+?
exec ?-ignorestderr? executable ?2>@1? [L47 ] [L48 ]
New expr operators: **, in, ni [L49 ] [L50 ] [L51 ]
New expr functions: bool(), entier(), isqrt(), min(), max() [L52 ] [L53 ] [L54 ] [L55 ] [L56 ]
file attributes -readonly -creator -type -hidden -rsrclength [L57 ]
format %lld%lli%llo%llx%llX [L58 ]
interp invokehidden interp -namespace namespace [L59 ]
lsearch -index -nocase -subindices [L60 ] [L61 ]
lsort -indices -nocase [L62 ] [L63 ]
open filename BINARY [L64 ]
open filename [rwa]b
open {| executable 2>@1} [L65 ]
package present package ?requirement ...? [L66 ]
package require package ?requirement ...?
package vsatisfies requirement ...
return -level level -errorline line [L67 ]
scan %lld%lli%llo%llx%llX [L68 ]
source -encoding encoding [L69 ] [L70 ]
switch -nocase -matchvar varName -indexvar varName [L71 ] [L72 ]

New Tcl global variables

Removed Tcl global variables

Tcl: Changed behavior

clock clicks returns microseconds since the epoch
expr: script level definition of functions [L75 ]
expr, incr, string is double: Unlimited range of integer values supported; integer calculations no longer overflow [L76 ]
incr: auto-initializes unset variable [L77 ]
global varName ( elemName ) raises error [L78 ]
lindex,linsert,lrange,lreplace,lset,string index: indices support integer[+-]integer and end[+-]integer syntax [L79 ]
list: properly quotes the # character [L80 ]
namespace import returns imported commands
package unknown callback takes {packageName args} arguments where args is list of requirements. [L81 ]
upvar level varName ( elemName ) varName ( elemName ) raises error [L82 ]
Default value of tcl_precision is 0, meaning as many digits as needed for no loss of precision [L83 ]
Default package unknown supports Tcl Modules [L84 ]

Tk: New Commands

Tk: New Subcommands

Tk: New Events

Tk: Expanded Syntax / New Options

canvas create line -smooth raw [L94 ]
canvas create line -smooth true
canvas create polygon -smooth raw
canvas create polygon -smooth true
canvas create text -unserline index [L95 ]
checkbutton -tristatevalue value -tristateimage image [L96 ]
event generate window event -data string [L97 ]
font actual font char [L98 ]
panedwindow paneconfigure window -hide boolean -stretch value [L99 ] [L100 ]
radiobutton -tristatevalue value -tristateimage image [L101 ]
text search -all -nolinestop [L102 ]
tk_messageBox -detail detail [L103 ]
wm attributes -alpha fraction -fullscreen -topmost -zoomed [L104 ] [L105 ] [L106 ]

Tk: Changed behavior

checkbutton, radiobutton: new look [L107 ]
grid columnconfigure, grid rowconfigure: accept widget names and all [L108 ]
send on Windows [L109 ]
winfo toplevel supports extension-created windows [L110 ]
Photo out of memory give error, not panic [L111 ]

New packages

Updated packages

Tk:

Use pkgconfig database to register Xft Support TIP#205 [L124 ]
text widget smooth scrolling, multi-line search, .text count, .text replace, and display modifier keyword for index positioning, TIP#113 [L125 ] and TIP#155 [L126 ]
text configure option -tabstyle TIP#256 [L127 ]