diff -r 5df69eb50182 -r f116b63c4844 src/documentation.cc
--- a/src/documentation.cc	Sat Aug 29 16:29:11 2015 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,76 +0,0 @@
-/*
- *  LDForge: LDraw parts authoring CAD
- *  Copyright (C) 2013, 2014 Teemu Piippo
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <QDialog>
-#include <QTextEdit>
-#include <QDialogButtonBox>
-#include <QBoxLayout>
-#include "main.h"
-#include "basics.h"
-
-// =============================================================================
-// =============================================================================
-class DocumentViewer : public QDialog
-{
-	public:
-		explicit DocumentViewer (QWidget* parent = null, Qt::WindowFlags f = 0) : QDialog (parent, f)
-		{
-			te_text = new QTextEdit (this);
-			te_text->setMinimumSize (QSize (400, 300));
-			te_text->setReadOnly (true);
-
-			QDialogButtonBox* bbx_buttons = new QDialogButtonBox (QDialogButtonBox::Close);
-			QVBoxLayout* layout = new QVBoxLayout (this);
-			layout->addWidget (te_text);
-			layout->addWidget (bbx_buttons);
-
-			connect (bbx_buttons, SIGNAL (rejected()), this, SLOT (reject()));
-		}
-
-		void setText (const char* text)
-		{
-			te_text->setText (text);
-		}
-
-	private:
-		QTextEdit* te_text;
-};
-
-const char* g_docs_overlays =
-	"<h1>Overlay images</h1><br />"
-	"<p>" APPNAME " supports drawing transparent images over the part model. This "
-	"can be used to have, for instance, a photo of the part overlaid on top of the "
-	"model and use it for drawing curves somewhat accurately.</p>"
-	"<p>For this purpose, a specific photo has to be taken of the part; it should "
-	"represent the part as true as possible to the actual camera used for editing. "
-	"The image should be taken from straight above the part, at as an orthogonal "
-	"angle as possible. It is recommended to take a lot of pictures this way and "
-	"select the best candidate.</p>"
-	"<p>The image should then be cropped with the knowledge of the image's LDU "
-	"dimensions in mind. The offset should then be identified in the image in pixels.</p>"
-	"<p>Finally, use the \"Set Overlay Image\" dialog and fill in the details. The "
-	"overlay image should then be ready for use.";
-
-// =============================================================================
-// =============================================================================
-void showDocumentation (const char* text)
-{
-	DocumentViewer dlg;
-	dlg.setText (text);
-	dlg.exec();
-}