X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=manual%2Fhtml_node%2FFile-Menu.html;h=b960ed7c5a9920bfb9fab2f886ee94fdd31f73d7;hb=2a90bf5372bfdc59dd7c88d061d0ef841d69f063;hp=9093a1f3bd269c8b8f0296d6d0e44eb5e327b3d3;hpb=f8e035410d7c94ad891763384096e500f91646b1;p=xboard.git

diff --git a/manual/html_node/File-Menu.html b/manual/html_node/File-Menu.html
index 9093a1f..b960ed7 100644
--- a/manual/html_node/File-Menu.html
+++ b/manual/html_node/File-Menu.html
@@ -137,8 +137,19 @@ FEN (Forsythe-Edwards notation) format unless the <code>oldSaveStyle</code>
 option is true, in which case they are saved in an older,
 human-readable format that is specific to XBoard. Both formats
 can be read back by the &lsquo;<samp><span class="samp">Load Position</span></samp>&rsquo; command. 
-<br><dt>Mail Move<dt>Reload CMail Message<dd><a name="index-Mail-Move_002c-Menu-Item-16"></a><a name="index-Reload-CMail-Message_002c-Menu-Item-17"></a>See <a href="CMail.html#CMail">CMail</a>. 
-<br><dt>Exit<dd><a name="index-Exit_002c-Menu-Item-18"></a>Exits from XBoard. The <kbd>Ctrl-Q</kbd> key is a keyboard equivalent. 
+<br><dt>Save Games as Book<dd><a name="index-Save-Games-as-Book_002c-Menu-Item-16"></a>Creates an opening book from the currently loaded game file. 
+The book will be saved on the file specified in the &lsquo;<samp><span class="samp">Common Engine</span></samp>&rsquo;
+options dialog. 
+The value of &lsquo;<samp><span class="samp">Book Depth</span></samp>&rsquo; specified in that same dialog will
+be used to determine how many moves of each game will be added to
+the internal book buffer. 
+This command can take a long time to process,
+and the size of the buffer is currently limited. 
+At the end the buffer will be saved as a Polyglot book,
+but the buffer will ot be cleared,
+so that you can continue adding games from other game files. 
+<br><dt>Mail Move<dt>Reload CMail Message<dd><a name="index-Mail-Move_002c-Menu-Item-17"></a><a name="index-Reload-CMail-Message_002c-Menu-Item-18"></a>See <a href="CMail.html#CMail">CMail</a>. 
+<br><dt>Exit<dd><a name="index-Exit_002c-Menu-Item-19"></a>Exits from XBoard. The <kbd>Ctrl-Q</kbd> key is a keyboard equivalent. 
 </dl>
 
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