diff --git a/src/sybilSBML.h b/src/sybilSBML.h
index 7d0746f1041a76af723b9c6f1b647c7ca12e602a..9fac9ea3f09297661487956e0deca29afa6a2976 100644
--- a/src/sybilSBML.h
+++ b/src/sybilSBML.h
@@ -1,113 +1,112 @@
-/* sybilSBML.h
-   Link to libSBML for sybil.
- 
-   Copyright (C) 2010-2013 Gabriel Gelius-Dietrich, Dpt. for Bioinformatics,
-   Institute for Informatics, Heinrich-Heine-University, Duesseldorf, Germany.
-   All right reserved.
-   Email: geliudie@uni-duesseldorf.de
- 
-   This file is part of sybilSBML.
- 
-   SybilSBML is free software: you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation, either version 3 of the License, or
-   (at your option) any later version.
- 
-   SybilSBML is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
- 
-   You should have received a copy of the GNU General Public License
-   along with sybilSBML.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "sbml.h"
-
-/* -------------------------------------------------------------------------- */
-/* help functions                                                             */
-/* -------------------------------------------------------------------------- */
-
-/* check for pointer to sbml document */
-SEXP isSBMLdocptr(SEXP ptr);
-
-/* check for pointer to sbml model */
-SEXP isSBMLmodptr(SEXP ptr);
-
-/* check for NULL pointer */
-SEXP isNULLptr(SEXP ptr);
-
-
-/* -------------------------------------------------------------------------- */
-/* API functions                                                              */
-/* -------------------------------------------------------------------------- */
-
-/* get libsbml version number (dotted version) */
-SEXP getLibSBMLversion();
-
-/* initialize sybilSBML */
-SEXP initSBML(void);
-
-/* remove sbml document pointer */
-SEXP delDocument(SEXP sbmldoc);
-
-/* remove model pointer */
-SEXP delModel(SEXP sbmlmodel);
-
-/* read SBML file */
-SEXP readSBMLfile(SEXP fname, SEXP ptrtype);
-
-/* get sbml document level */
-SEXP getSBMLlevel(SEXP sbmldoc);
-
-/* get sbml document version */
-SEXP getSBMLversion(SEXP sbmldoc);
-
-/* get sbml document FBC version */
-SEXP getSBMLFbcversion(SEXP sbmldoc);
-
-/* validate SBML document */
-SEXP validateDocument(SEXP sbmldoc);
-
-/* get SBML errors */
-SEXP getSBMLerrors(SEXP sbmldoc);
-
-/* get sbml model from sbml document */
-SEXP getSBMLmodel(SEXP sbmldoc, SEXP ptrtype);
-
-/* get model id */
-SEXP getSBMLmodId(SEXP sbmlmod);
-
-/* get model name */
-SEXP getSBMLmodName(SEXP sbmlmod);
-
-/* get model notes */
-SEXP getSBMLmodNotes(SEXP sbmlmod);
-
-/* get model annotation */
-SEXP getSBMLmodAnnotation(SEXP sbmlmod);
-
-/* get number of compartments */
-SEXP getSBMLnumCompart(SEXP sbmlmod);
-
-/* get number of species (metabolites) */
-SEXP getSBMLnumSpecies(SEXP sbmlmod);
-
-/* get number of reactions */
-SEXP getSBMLnumReactions(SEXP sbmlmod);
-
-/* get list of unit definitions */
-SEXP getSBMLunitDefinitionsList(SEXP sbmlmod);
-
-/* get list of compartments */
-SEXP getSBMLCompartList(SEXP sbmlmod);
-
-/* get list of species (metabolites) */
-SEXP getSBMLSpeciesList(SEXP sbmlmod);
-
-/* get list of reactions */
-SEXP getSBMLReactionsList(SEXP sbmlmod);
-
-/* export Modelorg to SBML*/
-SEXP exportSBML (SEXP version, SEXP level,SEXP FbcLevel, SEXP filename,SEXP sybil_max, SEXP mod_desc, SEXP mod_name, SEXP mod_compart, SEXP met_id, SEXP met_name, SEXP met_comp, SEXP met_form,SEXP met_charge, SEXP react_id, SEXP react_name, SEXP react_rev, SEXP lowbnd, SEXP uppbnd, SEXP obj_coef, SEXP subSys, SEXP gpr, SEXP SMatrix, SEXP mod_notes, SEXP mod_anno, SEXP com_notes , SEXP com_anno, SEXP met_notes, SEXP met_anno, SEXP met_bnd , SEXP react_notes, SEXP react_anno, SEXP ex_react,SEXP validation, SEXP allgenes);
-  
+/* sybilSBML.h
+   Link to libSBML for sybil.
+ 
+   Copyright (C) 2010-2013 Gabriel Gelius-Dietrich, Dpt. for Bioinformatics,
+   Institute for Informatics, Heinrich-Heine-University, Duesseldorf, Germany.
+   All right reserved.
+   Email: geliudie@uni-duesseldorf.de
+ 
+   This file is part of sybilSBML.
+ 
+   SybilSBML is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+ 
+   SybilSBML is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+ 
+   You should have received a copy of the GNU General Public License
+   along with sybilSBML.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "sbml.h"
+
+/* -------------------------------------------------------------------------- */
+/* help functions                                                             */
+/* -------------------------------------------------------------------------- */
+
+/* check for pointer to sbml document */
+SEXP isSBMLdocptr(SEXP ptr);
+
+/* check for pointer to sbml model */
+SEXP isSBMLmodptr(SEXP ptr);
+
+/* check for NULL pointer */
+SEXP isNULLptr(SEXP ptr);
+
+
+/* -------------------------------------------------------------------------- */
+/* API functions                                                              */
+/* -------------------------------------------------------------------------- */
+
+/* get libsbml version number (dotted version) */
+SEXP getLibSBMLversion();
+
+/* initialize sybilSBML */
+SEXP initSBML(void);
+
+/* remove sbml document pointer */
+SEXP delDocument(SEXP sbmldoc);
+
+/* remove model pointer */
+SEXP delModel(SEXP sbmlmodel);
+
+/* read SBML file */
+SEXP readSBMLfile(SEXP fname, SEXP ptrtype);
+
+/* get sbml document level */
+SEXP getSBMLlevel(SEXP sbmldoc);
+
+/* get sbml document version */
+SEXP getSBMLversion(SEXP sbmldoc);
+
+/* get sbml document FBC version */
+SEXP getSBMLFbcversion(SEXP sbmldoc);
+
+/* validate SBML document */
+SEXP validateDocument(SEXP sbmldoc);
+
+/* get SBML errors */
+SEXP getSBMLerrors(SEXP sbmldoc);
+
+/* get sbml model from sbml document */
+SEXP getSBMLmodel(SEXP sbmldoc, SEXP ptrtype);
+
+/* get model id */
+SEXP getSBMLmodId(SEXP sbmlmod);
+
+/* get model name */
+SEXP getSBMLmodName(SEXP sbmlmod);
+
+/* get model notes */
+SEXP getSBMLmodNotes(SEXP sbmlmod);
+
+/* get model annotation */
+SEXP getSBMLmodAnnotation(SEXP sbmlmod);
+
+/* get number of compartments */
+SEXP getSBMLnumCompart(SEXP sbmlmod);
+
+/* get number of species (metabolites) */
+SEXP getSBMLnumSpecies(SEXP sbmlmod);
+
+/* get number of reactions */
+SEXP getSBMLnumReactions(SEXP sbmlmod);
+
+/* get list of unit definitions */
+SEXP getSBMLunitDefinitionsList(SEXP sbmlmod);
+
+/* get list of compartments */
+SEXP getSBMLCompartList(SEXP sbmlmod);
+
+/* get list of species (metabolites) */
+SEXP getSBMLSpeciesList(SEXP sbmlmod);
+
+/* get list of reactions */
+SEXP getSBMLReactionsList(SEXP sbmlmod);
+
+/* export Modelorg to SBML*/
+SEXP exportSBML (SEXP version, SEXP level,SEXP FbcLevel, SEXP filename,SEXP sybil_max, SEXP mod_desc, SEXP mod_name, SEXP mod_compart, SEXP met_id, SEXP met_name, SEXP met_comp, SEXP met_form,SEXP met_charge, SEXP react_id, SEXP react_name, SEXP react_rev, SEXP lowbnd, SEXP uppbnd, SEXP obj_coef, SEXP subSys, SEXP gpr, SEXP SMatrix, SEXP mod_notes, SEXP mod_anno, SEXP com_notes , SEXP com_anno, SEXP met_notes, SEXP met_anno, SEXP met_bnd , SEXP react_notes, SEXP react_anno, SEXP ex_react, SEXP allgenes);
\ No newline at end of file