-/// Count the number of words in the text between these two iterators
-int countWords(DocIterator const & from, DocIterator const & to);
+/** Make a new unnamed file (buffer) with prefix \c prefix
+ * based on a template named \c templatename
+ */
+Buffer * newUnnamedFile(support::FileName const & path,
+ std::string const & prefix, std::string const & templatename = "");