diff --git a/Doxyfile b/Doxyfile
index 86bb412..cef4805 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -7,7 +7,7 @@ EXTRACT_ALL = YES
 EXTRACT_PRIVATE = YES
 
 # Important: Here the .h files are not listed. Otherwise we get duplications.
-FILE_PATTERNS = *.dox *.cpp
+FILE_PATTERNS = *.dox *.cpp *.md
 
 # This is important for multiline comments (beginning with "///", for example).
 JAVADOC_AUTOBRIEF = YES
@@ -15,3 +15,5 @@ JAVADOC_AUTOBRIEF = YES
 # We put the generated output in docs/. Note that html/ in the root folder is used for something different.
 HTML_OUTPUT = docs/html
 LATEX_OUTPUT = docs/latex
+
+IMAGE_PATH = .
diff --git a/Makefile b/Makefile
index 6ae1797..bf4d6a2 100644
--- a/Makefile
+++ b/Makefile
@@ -54,7 +54,7 @@ BUILD_DIR ?= ./wasm-build
 
 SRCS := book.cpp books.cpp cli.cpp fingerprint.cpp main.cpp psalmsinfo.cpp
 OBJS := $(SRCS:%=$(BUILD_DIR)/%.o)
-DOXS := book.dox books.dox cli.dox fingerprint.dox psalmsinfo.dox
+DOXS := book.dox books.dox cli.dox fingerprint.dox main.dox psalmsinfo.dox
 
 CPPFLAGS += -I/usr/include/sword -s USE_BOOST_HEADERS=1
 
@@ -86,7 +86,7 @@ documentation: docs/latex/refman.pdf docs/html/index.html
 docs/latex/refman.pdf: docs/latex/refman.tex
 	$(MAKE) -C docs/latex
 
-docs/html/index.html docs/latex/refman.tex: Doxyfile $(SRCS) $(DOXS) logo-Psalm40-doxygen.png
+docs/html/index.html docs/latex/refman.tex: Doxyfile $(SRCS) $(DOXS) README.md logo-Psalm40-doxygen.png
 	doxygen Doxyfile
 
 .PHONY: clean documentation
diff --git a/main.dox b/main.dox
new file mode 100644
index 0000000..75c9048
--- /dev/null
+++ b/main.dox
@@ -0,0 +1,31 @@
+/**
+ * @mainpage
+ * BibRef, a project dedicated to find citations of the
+ * Septuagint in the Greek New Testament.
+ *
+ * This code is in the public domain
+ * and contributed by Zoltán Kovács <zoltan@geogebra.org>.
+ */
+
+/**
+ * @file main.cpp
+ * The main program.
+ */
+
+/// Parse the command line input.
+/// @author Iain Hull (https://stackoverflow.com/a/868894/1044586)
+class InputParser {
+public:
+  /// Parse the command line input.
+  InputParser(int &argc, char **argv);
+  /// Get the command option.
+  const string &getCmdOption(const string &option) const;
+  /// Is a specific command line option given?
+  bool cmdOptionExists(const string &option) const;
+};
+
+/// Show the command line help.
+void showHelp(const string &executable);
+
+/// The main program.
+int main(int argc, char **argv);