diff --git a/.hgignore b/.hgignore
--- a/.hgignore
+++ b/.hgignore
@@ -4,6 +4,14 @@
 *.rej
 *~
 *.o
+.#.*
+Makefile.in
+aclocal.m4
+config.h.in
+configure
 
 syntax: regexp
 html/.*
+autom4te.cache/.*
+build-aux/.*
+objs.*/.*
diff --git a/doc/Makefile.am b/doc/Makefile.am
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -9,7 +9,6 @@
 	  cd doc; \
 	  doxygen Doxyfile; \
 	  cd ..; \
-	  cp $(srcdir)/doc/icons/geom/ftv2* doc/html; \
 	fi
 
 doc-clean:
@@ -19,7 +18,6 @@
 	  cd doc; \
 	  doxygen Doxyfile; \
 	  cd ..; \
-	  cp $(srcdir)/doc/icons/geom/ftv2* doc/html; \
 	fi
 
 clean-local:
diff --git a/lemon/Makefile.am b/lemon/Makefile.am
--- a/lemon/Makefile.am
+++ b/lemon/Makefile.am
@@ -11,7 +11,8 @@
 lemon_libemon_la_CXXFLAGS = $(GLPK_CFLAGS) $(CPLEX_CFLAGS) $(SOPLEX_CXXFLAGS)
 lemon_libemon_la_LDFLAGS = $(GLPK_LIBS) $(CPLEX_LIBS) $(SOPLEX_LIBS)
 
-lemon_HEADERS +=
+lemon_HEADERS += \
+	lemon/list_graph.h
 
 bits_HEADERS +=
 
diff --git a/lemon/list_graph.h b/lemon/list_graph.h
new file mode 100644