[Xotcl] XOTcl 1.5.3 available

Gustaf Neumann neumann at wu-wien.ac.at
Sat Nov 25 00:50:36 CET 2006

Dear XOTcl Community,

i am pleased to announce XOTcl 1.5.3. This is an unplanned bugfix release,
which is necessary due to certain changes in Tcl 8.4.14, which can lead
to memory corruption in certain applications when xotcl is used. In 
installations of OpenACS/DotLRN using Tcl 8.4.14 are required to upgrade to
XOTcl 1.5.3.

Major changes relative to 1.5.2 are:

      + provided compatibility with Tcl 8.5

      + provided compatibility with Tcl 8.4.14

         (fixed a nasty bug caused by a change in tcl 8.4.14, could
         led to a crash due to freed Tcl_Objs in OpenACS, allthough
         the xotcl regression test passed correctly)

      + reduced calling overhead of methods with nonpositional
         arguments by about 10 percent by avoiding shimmering.

      + fixed handling of "return -code break" from xotcl methods
         (thanks to Artur Trzewik for the bug report)

      + library/comm/Access.xotcl: fixed handling of chunked encoding

 For more details about the changes, please consult the ChangeLog.

  General and more detailed information about XOTcl and its components
  can be found at http://www.xotcl.org

Best regards,

Gustaf Neumann
Uwe Zdun

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