Index: openacs-4/packages/xotcl-core/tcl/01-debug-procs.tcl =================================================================== RCS file: /usr/local/cvsroot/openacs-4/packages/xotcl-core/tcl/01-debug-procs.tcl,v diff -u -r1.78.2.18 -r1.78.2.19 --- openacs-4/packages/xotcl-core/tcl/01-debug-procs.tcl 1 Oct 2016 12:17:00 -0000 1.78.2.18 +++ openacs-4/packages/xotcl-core/tcl/01-debug-procs.tcl 3 Oct 2016 12:07:32 -0000 1.78.2.19 @@ -165,8 +165,14 @@ } } -::xotcl::Object instproc serialize {} { - ::Serializer deepSerialize [self] +if {[::package vcompare [package require xotcl::serializer] 2.0] < -1} { + # + # The serializer of xotcl/2.0 registers already a method "serialize" + # on Object. Don't mess with that. + # + ::xotcl::Object instproc serialize {} { + ::Serializer deepSerialize [self] + } } ::xotcl::Object instproc www-show-object {} {