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94 lines
2.4 KiB
HTML
94 lines
2.4 KiB
HTML
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<body bgcolor="#FFFFFF" text="#000000" >
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<center>
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<IMG SRC="gf-logo.gif">
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<h1>Grammatical Framework History of Changes</h1>
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Changes in functionality since May 17, 2005, release of GF Version 2.2
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</center>
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<p>
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10/6 (AR) Preprocessor of <tt>.gfe</tt> files can now be performed as part of
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any grammar compilation. The flag <tt>-ex</tt> causes GF to look for
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the <tt>.gfe</tt> files and preprocess those that are younger
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than the corresponding <tt>.gf</tt> files. The files are first sorted
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and group by the resource, so that each resource only need be compiled once.
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<p>
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10/6 (AR) Editor GUI can now be alternatively invoked by the shell
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command <tt>gf -edit</tt> (equivalent to <tt>jgf</tt>).
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<p>
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10/6 (AR) Editor GUI command <tt>pc Int</tt> to pop <tt>Int</tt>
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items from the clip board.
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<p>
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4/6 (AR) Sequence of commands in the Java editor GUI now possible.
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The commands are separated by <tt> ;; </tt> (notice the space on
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both sides of the two semicolons). Such a sequence can be sent
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from the "GF Command" pop-up field, but is mostly intended
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for external processes that communicate with GF.
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<p>
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3/6 (AR) The format <tt>.gfe</tt> defined to support
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<b>grammar writing by examples</b>. Files of this format are first
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converted to <tt>.gf</tt> files by the command
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<pre>
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gf -examples File.gfe
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</pre>
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See <a href="../lib/resource/doc/example/QuestionsI.gfe">
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<tt>../lib/resource/doc/examples/QuestionsI.gfe</tt></a>
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for an example.
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<p>
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31/5 (AR) Default of p -rawtrees=k changed to 999999.
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<p>
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31/5 (AR) Support for restricted inheritance. Syntax:
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<pre>
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M -- inherit everything from M, as before
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M [a,b,c] -- only inherit constants a,b,c
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M-[a,b,c] -- inherit everything except a,b,c
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</pre>
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Caution: there is no check yet for completeness and
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consistency, but restricted inheritance can create
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run-time failures.
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<p>
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29/5 (AR) Parser support for reading GFC files line per line.
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The category <tt>Line</tt> in <tt>GFC.cf</tt> can be used
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as entrypoint instead of <tt>Grammar</tt> to achieve this.
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<p>
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28/5 (AR) Environment variables and path wild cards.
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<ul>
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<li> <tt>GF_LIB_PATH</tt> gives the location of <tt>GF/lib</tt>
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<li> <tt>GF_GRAMMAR_PATH</tt> gives a list of directories appended
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to the explicitly given path
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<li> <tt>DIR/*</tt> is expanded to the union of all subdirectories
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of <tt>DIR</tt>
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</ul>
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<p>
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26/5/2005 (BB) Notation for list categories.
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</body>
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</html>
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