From f06638cc7d90eb8298180d36e79fc292a9f898dc Mon Sep 17 00:00:00 2001
From: aarne <unknown>
Date: Mon, 31 Oct 2005 18:02:34 +0000
Subject: probabilities in ShellState

---
 doc/gf-history.html | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'doc')

diff --git a/doc/gf-history.html b/doc/gf-history.html
index 5639f57ac..193b18a50 100644
--- a/doc/gf-history.html
+++ b/doc/gf-history.html
@@ -12,6 +12,14 @@ Changes in functionality since May 17, 2005, release of GF Version 2.2
 
 </center>
 
+31/10 (AR) Probabilistic grammars. Probabilities can be used to
+weight random generation (<tt>gr -prob</tt>) and to rank parse
+results (<tt>p -prob</tt>). They are read from a separate file
+(flag <tt>i -probs=File</tt>, format <tt>--# prob Fun Double</tt>)
+or from the top-level grammar file itself (option <tt>i -prob</tt>).
+
+<p>
+
 12/10 (AR) Flag <tt>-atoms=Int</tt> to the command <tt>gt = generate_trees</tt>
 takes away all zero-argument functions except Int per category. In
 this way, it is possible to generate a corpus illustrating each
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