| 1 | ================================================================= |
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| 2 | Logtalk - Object oriented extension to Prolog |
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| 3 | Release 2.9.2 |
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| 4 | |
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| 5 | Copyright (c) 1998-2002 Paulo Moura. All Rights Reserved. |
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| 6 | ================================================================= |
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| 7 | |
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| 8 | |
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| 9 | |
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| 10 | Upgrading from Logtalk 1.x |
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| 11 | ========================== |
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| 12 | |
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| 13 | Logtalk 2.x is not compatible with programs written for version 1.x. |
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| 14 | However, you should be able to translate most programs to make them |
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| 15 | run under this new version. Most of the examples provided with previous |
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| 16 | versions have been rewritten to run under version 2.x. Use them as |
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| 17 | translation examples. |
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| 18 | |
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| 19 | |
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| 20 | Upgrading from a previous Logtalk 2.x version |
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| 21 | ============================================= |
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| 22 | |
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| 23 | If your Logtalk programs depend on some of the example files, it is |
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| 24 | advisable that you check your code against the new version before |
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| 25 | throwing away the older release. |
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| 26 | |
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| 27 | Logtalk source files will need to be recompiled because of the changes |
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| 28 | done in the version 2.5.0 to improve message sending performance. |
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| 29 | |
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| 30 | Logtalk version 2.7.0 provides the first cut of the Logtalk standard library. |
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| 31 | Most examples have been rewritten to take advantage of the library. |
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| 32 | |
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| 33 | Logtalk version 2.8.0 introduces a small change on the logtalk_compile/1-2 |
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| 34 | and logtalk_load/1-2 predicates that may imply updating your loader utility |
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| 35 | files: the first argument is now always a list of entities even if we want |
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| 36 | to compile or load a single entity. |
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| 37 | |
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| 38 | Logtalk version 2.9.0 changes compiled code functors postfixes from "_sdcl" |
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| 39 | and "_sdef" to "_idcl" and "_idef", impliying recompilation of all objects, |
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| 40 | protocols, and categories. |
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