diff --git a/Geo/GModelIO_MSH.cpp b/Geo/GModelIO_MSH.cpp
index 1cdad7135538fbd558a09357bdc0d9490a9ff6be..4858d2d2dd85a82cb96c7af445441089731de670 100644
--- a/Geo/GModelIO_MSH.cpp
+++ b/Geo/GModelIO_MSH.cpp
@@ -19,14 +19,15 @@
 void writeMSHPeriodicNodes (FILE *fp, std::vector<GEntity*> &entities)
 {
   int count = 0;
-  for (unsigned int i = 0 ; i < entities.size() ; i++) if (entities[i]->meshMaster() != entities[i]->tag())count++;
-  if (!count)return;
+  for (unsigned int i = 0; i < entities.size(); i++)
+    if (entities[i]->meshMaster() != entities[i]->tag()) count++;
+  if (!count) return;
   fprintf(fp, "$Periodic\n");
-  fprintf(fp, "%d\n",count);
+  fprintf(fp, "%d\n", count);
   for(unsigned int i = 0; i < entities.size(); i++){
     GEntity *g_slave = entities[i];
     int meshMaster = g_slave->meshMaster();
-    if (g_slave->tag() != meshMaster){      
+    if (g_slave->tag() != meshMaster){
       GEntity *g_master = 0;
       switch(g_slave->dim()){
       case 0 : g_master = g_slave->model()->getVertexByTag(abs(meshMaster));break;
@@ -34,12 +35,13 @@ void writeMSHPeriodicNodes (FILE *fp, std::vector<GEntity*> &entities)
       case 2 : g_master = g_slave->model()->getFaceByTag(abs(meshMaster));break;
       case 3 : g_master = g_slave->model()->getRegionByTag(abs(meshMaster));break;
       }
-      fprintf(fp,"%d %d %d\n",g_slave->dim(),g_slave->tag(),g_master->tag());
-      fprintf(fp,"%d \n",(int)g_slave->correspondingVertices.size());
-      for (std::map<MVertex*,MVertex*>::iterator it = g_slave->correspondingVertices.begin() ; it != g_slave->correspondingVertices.end() ; it++){
+      fprintf(fp,"%d %d %d\n", g_slave->dim(), g_slave->tag(), g_master->tag());
+      fprintf(fp,"%d\n", (int)g_slave->correspondingVertices.size());
+      for (std::map<MVertex*,MVertex*>::iterator it = g_slave->correspondingVertices.begin();
+           it != g_slave->correspondingVertices.end(); it++){
 	MVertex *v1 = it->first;
 	MVertex *v2 = it->second;
-	fprintf(fp,"%d %d\n",v1->getNum(),v2->getNum());
+	fprintf(fp,"%d %d\n", v1->getNum(), v2->getNum());
       }
     }
   }
@@ -49,23 +51,23 @@ void writeMSHPeriodicNodes (FILE *fp, std::vector<GEntity*> &entities)
 void readMSHPeriodicNodes (FILE *fp, GModel *gm)
 {
   int count;
-  fscanf(fp, "%d",&count);
+  fscanf(fp, "%d", &count);
   for(int i = 0; i < count; i++){
     int dim,slave,master;
-    fscanf(fp,"%d %d %d",&dim,&slave,&master);
+    fscanf(fp, "%d %d %d", &dim, &slave, &master);
     GEntity *s=0,*m=0;
     switch(dim){
-    case 0 : s = gm->getVertexByTag(slave); m = gm->getVertexByTag(master); break; 
-    case 1 : s = gm->getEdgeByTag(slave); m = gm->getEdgeByTag(master); break; 
-    case 2 : s = gm->getFaceByTag(slave); m = gm->getFaceByTag(master); break; 
+    case 0 : s = gm->getVertexByTag(slave); m = gm->getVertexByTag(master); break;
+    case 1 : s = gm->getEdgeByTag(slave); m = gm->getEdgeByTag(master); break;
+    case 2 : s = gm->getFaceByTag(slave); m = gm->getFaceByTag(master); break;
     }
     if (s && m){
       s->setMeshMaster(m->tag());
       int numv;
-      fscanf(fp,"%d",&numv);
+      fscanf(fp, "%d", &numv);
       for(int j = 0; j < numv; j++){
 	int v1,v2;
-	fscanf(fp,"%d %d",&v1,&v2);
+	fscanf(fp,"%d %d", &v1, &v2);
 	MVertex *mv1 = gm->getMeshVertexByTag(v1);
 	MVertex *mv2 = gm->getMeshVertexByTag(v2);
 	s->correspondingVertices[mv1] = mv2;
@@ -74,7 +76,6 @@ void readMSHPeriodicNodes (FILE *fp, GModel *gm)
   }
 }
 
-
 int GModel::readMSH(const std::string &name)
 {
   FILE *fp = fopen(name.c_str(), "rb");
@@ -573,5 +574,3 @@ int GModel::writeMSH(const std::string &name, double version, bool binary,
 
   return 1;
 }
-
-