-std::string const BufferFormat(Buffer const & buffer);
-///
-void bufferErrors(Buffer const &, TeXErrors const &);
-///
-void bufferErrors(Buffer const &, ErrorList const &);
+std::string const bufferFormat(Buffer const & buffer);
+
+/// Fill in the ErrorList with the TeXErrors
+void bufferErrors(Buffer const &, TeXErrors const &, ErrorList &);
+
+/// Count the number of words in the text between these two iterators
+int countWords(DocIterator const & from, DocIterator const & to);
+
+/// update labels at "iter".
+/**
+A full updateLabels(Buffer const &) will be called if not possible.
+*/
+void updateLabels(Buffer const & buf, ParIterator & it, bool childonly = false);
+
+/// update labels between "from" and "to" if possible.
+/**
+A full updateLabels(Buffer const &) will be called if not possible.
+*/
+void updateLabels(Buffer const & buf,
+ ParIterator & from, ParIterator & to, bool childonly = false);
+
+/// updates all counters
+void updateLabels(Buffer const &, bool childonly = false);
+
+
+} // namespace lyx