Artifact 6d64d69ac15a25a1c6656e4072b8a2a5c891089bc1189dd40d611ae8b3739422:
- File changes.md — part of check-in [011afdcf10] at 2024-08-23 19:41:01 on branch core-8-branch — Update "info loaded" documentation. Add "info loaded" change to release notes (user: jan.nijtmans size: 2008)
The source code for Tcl is managed by fossil. Tcl developers coordinate all changes to the Tcl source code at
Release Tcl 8.7b1 arises from the check-in with tag core-8.7-b1.
Highlighted differences between Tcl 8.7 and Tcl 8.6 are summarized below, with focus on changes important to programmers using the Tcl library and writing Tcl scripts.
Internationalization of text
- Full Unicode range of codepoints
- New encodings: utf-16/utf-32/ucs-2(le|be), CESU-8, etc.
encoding
options -profile, -failindex manage encoding of I/O.msgcat
supports custom locale search listsource
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
- No --disable-threads build option. Always thread-enabled.
- Windows platform needs Windows 7 or Windows Server 2008 R2 or later
New commands
array default
,array for
chan isbinary
coroinject
,coroprobe
clock add weekdays
dict getwithdefault
file tempdir
,file home
,file tildeexpand
info commandtype
ledit
lpop
lremove
lseq
package files
string insert
,string is dict
tcl::process
*::build-info
readFile
,writeFile
,foreachLine
New command options
clock scan ... -validate ...
info loaded ... ?prefix?
lsearch ... -stride ...
regsub ... -command ...
socket ... -nodelay ... -keepalive ...
vwait
controlled by several new options
Numbers
- 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