diff --git a/ui/AboutWindow.ui b/ui/AboutWindow.ui
index 7401dabc..a80c0b38 100644
--- a/ui/AboutWindow.ui
+++ b/ui/AboutWindow.ui
@@ -169,17 +169,17 @@ p, li { white-space: pre-wrap; }
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/REC-html40/strict.dtd">
<html><head><meta name="qrichtext" content="1" /><style type="text/css">
p, li { white-space: pre-wrap; }
-</style></head><body style=" font-family:'Lucida Grande'; font-size:13pt; font-weight:400; font-style:normal;">
-<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-weight:600;">Dact was written by:</span></p>
-<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><br /></p>
-<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Daniël de Kok</p>
-<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Jelmer van der Linde</p>
-<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><br /></p>
-<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-weight:600;">With contributions from:</span></p>
-<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><br /></p>
-<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Gertjan van Noord (Query Cookbook)</p>
-<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Lars Buitinck (DB XML support)</p>
-<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Peter Kleiweg (Remote corpora)</p></body></html>
+</style></head><body style=" font-family:'.Helvetica Neue DeskInterface'; font-size:13pt; font-weight:400; font-style:normal;">
+<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'Lucida Grande'; font-weight:600;">Dact was written by:</span></p>
+<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-family:'Lucida Grande';"><br /></p>
+<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'Lucida Grande';">Daniël de Kok</span></p>
+<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'Lucida Grande';">Jelmer van der Linde</span></p>
+<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-family:'Lucida Grande';"><br /></p>
+<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'Lucida Grande'; font-weight:600;">With contributions from:</span></p>
+<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-family:'Lucida Grande';"><br /></p>
+<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'Lucida Grande';">Gertjan van Noord (Query Cookbook)</span></p>
+<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'Lucida Grande';">Lars Buitinck (DB XML support)</span></p>
+<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'Lucida Grande';">Peter Kleiweg (Remote corpora)</span></p></body></html>
@@ -196,24 +196,25 @@ p, li { white-space: pre-wrap; }
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/REC-html40/strict.dtd">
<html><head><meta name="qrichtext" content="1" /><style type="text/css">
p, li { white-space: pre-wrap; }
-</style></head><body style=" font-family:'Lucida Grande'; font-size:13pt; font-weight:400; font-style:normal;">
-<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-weight:600;">Version 2.2 (Not yet released)</span></p>
-<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><br /></p>
-<ul style="margin-top: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; -qt-list-indent: 1;"><li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Change Dact such that there will be only one instance on Windows and Linux. New invocations of Dact communicate with the existing instance. This makes opening of <span style=" font-style:italic;">dact:</span> URIs as straightforward as on OS X.</li></ul>
-<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><br /></p>
-<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-weight:600;">Version 2.0</span></p>
-<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-weight:600;"><br /></p>
-<ul style="margin-top: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; -qt-list-indent: 1;"><li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Allow opening of multiple windows in one Dact instance. In Mac OS X, Dact behaves more as a Cocoa application - we do not quit the application when the last window is closed.</li>
-<li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Verify the elements, attributes, and values that are used in a query against the DTD for Alpino dependency structures. If an element, attribute, or value is unknown, the query will be colored yellow.</li></ul>
-<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><br /></p>
-<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-weight:600;">Version 1.6</span></p>
-<ul style="margin-top: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; -qt-list-indent: 1;"><li style=" margin-top:12px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Recursively open directories of Dact corpora, such as Lassy large.</li>
-<li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Provide query processing progress information when opening multiple corpora.</li>
-<li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Correctly bracket discontinuous constituents.</li>
-<li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Colored matches in keyword in context output.</li>
-<li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Support query pipelines. For example, <span style=" font-style:italic;">query1 +|+ query2</span> runs the matches of <span style=" font-style:italic;">query1</span> through <span style=" font-style:italic;">query2</span>. This is useful when <span style=" font-style:italic;">query2</span> is very slow, and a fast pre-selection query <span style=" font-style:italic;">query1</span> is available.</li>
-<li style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Full-screen support on Mac OS X.</li>
-<li style=" margin-top:0px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">The macro file parser is rewritten, and should give more accurate information if the macro file contains errors.</li></ul></body></html>
+</style></head><body style=" font-family:'.Helvetica Neue DeskInterface'; font-size:13pt; font-weight:400; font-style:normal;">
+<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'Lucida Grande'; font-weight:600;">Version 2.2</span></p>
+<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-family:'Lucida Grande';"><br /></p>
+<ul style="margin-top: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; -qt-list-indent: 1;"><li style=" font-family:'Lucida Grande';" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Add support for counting the yield of nodes in the statistics tabs. The allows you to e.g. extract and count multi-word units.</li>
+<li style=" font-family:'Lucida Grande';" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Change Dact such that there will be only one instance on Windows and Linux. New invocations of Dact communicate with the existing instance. This makes opening of <span style=" font-style:italic;">dact:</span> URIs as straightforward as on OS X.</li></ul>
+<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-family:'Lucida Grande';"><br /></p>
+<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'Lucida Grande'; font-weight:600;">Version 2.0</span></p>
+<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-family:'Lucida Grande'; font-weight:600;"><br /></p>
+<ul style="margin-top: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; -qt-list-indent: 1;"><li style=" font-family:'Lucida Grande';" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Allow opening of multiple windows in one Dact instance. In Mac OS X, Dact behaves more as a Cocoa application - we do not quit the application when the last window is closed.</li>
+<li style=" font-family:'Lucida Grande';" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Verify the elements, attributes, and values that are used in a query against the DTD for Alpino dependency structures. If an element, attribute, or value is unknown, the query will be colored yellow.</li></ul>
+<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-family:'Lucida Grande';"><br /></p>
+<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'Lucida Grande'; font-weight:600;">Version 1.6</span></p>
+<ul style="margin-top: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; -qt-list-indent: 1;"><li style=" font-family:'Lucida Grande';" style=" margin-top:12px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Recursively open directories of Dact corpora, such as Lassy large.</li>
+<li style=" font-family:'Lucida Grande';" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Provide query processing progress information when opening multiple corpora.</li>
+<li style=" font-family:'Lucida Grande';" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Correctly bracket discontinuous constituents.</li>
+<li style=" font-family:'Lucida Grande';" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Colored matches in keyword in context output.</li>
+<li style=" font-family:'Lucida Grande';" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Support query pipelines. For example, <span style=" font-style:italic;">query1 +|+ query2</span> runs the matches of <span style=" font-style:italic;">query1</span> through <span style=" font-style:italic;">query2</span>. This is useful when <span style=" font-style:italic;">query2</span> is very slow, and a fast pre-selection query <span style=" font-style:italic;">query1</span> is available.</li>
+<li style=" font-family:'Lucida Grande';" style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Full-screen support on Mac OS X.</li>
+<li style=" font-family:'Lucida Grande';" style=" margin-top:0px; margin-bottom:12px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">The macro file parser is rewritten, and should give more accurate information if the macro file contains errors.</li></ul></body></html>