xodoc.xotcl

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- make version management simpler and freeze XOTcl 1.* versions In order to avoid bad interactions between XOTcl 1.0 and XOTcl 2.0 the version dependency in 1.0 where changed to "package require -exact ... 1.0" where possible, and the provides where upgraded to 1.0 in most cases

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- make sure that packages from XOTcl 1 require XOTcl 1

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* xotcl.c: some c-cleanup * library files: require exact version numbers to avoid conflicts with XOTcl 2.0

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- created own directory structure xotcl under library containing doc, tests, apps, lib etc. and moved obvious content here. - adjusted regression test and old documentation system to work with new structure

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- namespace changes: mostly due to marketing reasons, the naming of the top-level namespace changed from "xotcl2" to "next". reasons: xotcl is hard to pronounce for beginners, sounds like "exotic" (but who wants to program in an exotic language) has a certain stigma of strange namings (e.g. "instproc"), is seen as a precursor of tcloo, the top-level namespace ::xotcl2:: is not very nice either, the separation of framework and language is not clear.

We have now:

::next (the new object system, former ::xotcl2)

::next::core (framework, primitives)

::xotcl (former xotcl1)

- "::xotcl::use" no longer needed, use Tcl standard mechanisms instead

(e.g. "package req next"; "package req XOTcl", "namespace import ::next*")

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- handling of minimal object systems. For example, the following three command create an object system around ::object and ::class ...

::xotcl::createobjectsystem ::object ::class

::xotcl::alias ::class + ::xotcl::cmd::Class::create

::xotcl::alias ::object - ::xotcl::cmd::Object::destroy

... where no internal message dispatch are used (e.g. no

constructor "init", and where just two methods ("+" and "-")

are used to create and destroy objects

- extended regression test

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- moved xotcl-1.* definition into an own library file - renamed library/lib/changeXOTclVersion.xotcl to library/lib/changeXOTclVersion to ease pkgIndex generation - new function "xotcl::use xotcl1" or "xotcl::use xotcl2" to ease switching between xotcl 1 and 2 - changed library/lib/test to xotcl2 - added for all regression test "xotcl::use xotcl1" instead of "namespace import ::xotcl::*"

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- made create statments in xoDoc and loaded packages explicit - added tests/protected.xotcl

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restructured directory to remove superfluous directory xotcl

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