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Diffstat (limited to 'doc/gf-history.html')
| -rw-r--r-- | doc/gf-history.html | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/doc/gf-history.html b/doc/gf-history.html index e1031353a..1ff6b5cab 100644 --- a/doc/gf-history.html +++ b/doc/gf-history.html @@ -14,23 +14,51 @@ Changes in functionality since May 17, 2005, release of GF Version 2.2 <p> +3/6 (AR) The format <tt>.gfe</tt> defined to support +<b>grammar writing by examples</b>. Files of this format are first +converted to <tt>.gf</tt> files by the command +<pre> + gf -makeconcrete File.gfe +</pre> +See <a href="../lib/resource/doc/examples/QuestionsExI.gfe"> +<tt>../lib/resource/doc/examples/QuestionsExI.gfe</tt></a> +for an example. + +<p> + 31/5 (AR) Default of p -rawtrees=k changed to 999999. <p> -31/5 (AR) Support for restricted inheritance. +31/5 (AR) Support for restricted inheritance. Syntax: +<pre> + M -- inherit everything from M, as before + M [a,b,c] -- only inherit constants a,b,c + M-[a,b,c] -- inherit everything except a,b,c +</pre> +Caution: there is no check yet for completeness and +consistency, but restricted inheritance can create +run-time failures. <p> 29/5 (AR) Parser support for reading GFC files line per line. +The category <tt>Line</tt> in <tt>GFC.cf</tt> can be used +as entrypoint instead of <tt>Grammar</tt> to achieve this. <p> 28/5 (AR) Environment variables and path wild cards. -GF_LIB_PATH and GF_GRAMMAR_PATH. - +<ul> +<li> <tt>GF_LIB_PATH</tt> gives the location of <tt>GF/lib</tt> +<li> <tt>GF_GRAMMAR_PATH</tt> gives a list of directories appended + to the explicitly given path +<li> <tt>DIR/*</tt> is expanded to the union of all subdirectories + of <tt>DIR</tt> +</ul> <p> + 26/5/2005 (BB) Notation for list categories. |