minor interactive documentation tweak

src/mtsgui/rendersettingsdlg.cpp

@@ -152,7 +152,11 @@ void RenderSettingsDialog::setDocumentation(const QString &text) {
 		ui->groupBox->setTitle(tr("Documentation"));
 	}
 
+#if defined(__OSX__)
+	ui->helpViewer->setHtml(comments + "<div style='font-size:12pt'>" + m_currentDocumentation + "</div>");
+#else
 	ui->helpViewer->setHtml(comments + "<div style='font-size:10pt'>" + m_currentDocumentation + "</div>");
+#endif
    	ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(!hasErrors);
 }
 

src/mtsgui/resources/docs.xml

@@ -473,7 +473,7 @@
 			This improves the effectiveness of bidirectional path tracing
 			but severely increases the local and remote communication
 			overhead, since large <em>light images</em> must be transferred between threads
-			or over the network. See the text below for a more detailed explanation.
+			or over the network. See the main documentation for a more detailed explanation.
 		</param>
 		<param name="sampleDirect" readableName="Use direct sampling methods" type="boolean" default="true">
 			Enable direct sampling strategies? This is a generalization of direct illumination sampling that works with both emitters