diff -r 611417d3e6d2 -r 4fde8fdf258a str.cpp
--- a/str.cpp	Tue Apr 16 20:32:42 2013 +0300
+++ b/str.cpp	Wed Apr 17 14:09:38 2013 +0300
@@ -500,4 +500,17 @@
 str& str::operator+= (vertex vrt) {
 	appendformat ("%s", vrt.getStringRep (false).chars());
 	return *this;
+}
+
+str format (const char* fmt, ...) {
+	va_list va;
+	char* buf;
+	
+	va_start (va, fmt);
+	buf = vdynformat (fmt, va, 256);
+	va_end (va);
+	
+	str val = buf;
+	delete[] buf;
+	return val;
 }
\ No newline at end of file