diff -r d94c4fd35c21 -r fdc2fb090cc7 dav/scfg.c
--- a/dav/scfg.c	Sat Oct 27 15:05:13 2018 +0200
+++ b/dav/scfg.c	Sun Nov 04 16:35:44 2018 +0100
@@ -177,6 +177,9 @@
     return TAG_FORMAT_UNKNOWN;
 }
 
+#define CHECK_VALUE(element, value) if(!(value)) \
+        print_error(element->line, "missing value element: %s\n", element->name);
+
 static TagConfig* parse_tagconfig(xmlNode *node) {
     TagConfig conf;
     conf.store = TAG_STORE_XATTR;
@@ -191,10 +194,9 @@
     while(c) {
         if(c->type == XML_ELEMENT_NODE) {
             char *value = util_xml_get_text(c);
-            if(xstreq(c->name, "local-store")) {  
-                if(!value) {
-                    return NULL;
-                } else if(xstreq(value, "xattr")) {
+            if(xstreq(c->name, "local-store")) {
+                CHECK_VALUE(c, value);
+                if(xstreq(value, "xattr")) {
                     conf.store = TAG_STORE_XATTR;
                 } else {
                     return NULL;
@@ -207,9 +209,7 @@
                     xmlFree(format);
                 }
             } else if(xstreq(c->name, "detect-changes")) {
-                if(!value) {
-                    return NULL;
-                }
+                CHECK_VALUE(c, value);
                 conf.detect_changes = util_getboolean(value);
             } else if(xstreq(c->name, "xattr-name")) {
                 if(!value) {
@@ -217,9 +217,7 @@
                 }
                 conf.xattr_name = strdup(value);
             } else if(xstreq(c->name, "on-conflict")) {
-                if(!value) {
-                    return NULL;
-                }
+                CHECK_VALUE(c, value);
                 if(xstreq(value, "no_conflict")) {
                     conf.conflict = TAG_NO_CONFLICT;
                 } else if(xstreq(value, "keep_local")) {
@@ -252,6 +250,43 @@
     return tagconfig;
 }
 
+static Versioning* parse_versioning_config(xmlNode *node) {
+    Versioning v;
+    v.always = FALSE;
+    v.type = VERSIONING_SIMPLE;
+    v.collection = "/.dav-version-history";
+    
+    xmlNode *c = node->children;
+    while(c) {
+        if(c->type == XML_ELEMENT_NODE) {
+            char *value = util_xml_get_text(c);
+            if(xstreq(c->name, "type")) {
+                CHECK_VALUE(c, value);
+                if(!strcmp(value, "simple")) {
+                    v.type = VERSIONING_SIMPLE;
+                } else if(!strcmp(value, "deltav")) {
+                    v.type = VERSIONING_DELTAV;
+                } else {
+                    return NULL;
+                }
+            } else if(xstreq(c->name, "collection")) {
+                CHECK_VALUE(c, value);
+                v.collection = value;
+            } else if(xstreq(c->name, "always")) {
+                CHECK_VALUE(c, value);
+                v.always = util_getboolean(value);
+            }
+        }
+        c = c->next;
+    }
+    
+    v.collection = strdup(v.collection); 
+    
+    Versioning *versioning = malloc(sizeof(Versioning));
+    *versioning = v;
+    return versioning;
+}
+
 static int scfg_load_directory(xmlNode *node) {
     char *name = NULL;
     char *path = NULL;
@@ -260,6 +295,7 @@
     char *repository = NULL;
     char *database = NULL;
     TagConfig *tagconfig = NULL;
+    Versioning *versioning = NULL;
     UcxList *include = NULL;
     UcxList *exclude = NULL;
     UcxList *tagfilter = NULL;
@@ -304,6 +340,8 @@
                 database = value;
             } else if(xstreq(node->name, "tagconfig")) {
                 tagconfig = parse_tagconfig(node);
+            } else if(xstreq(node->name, "versioning")) {
+                versioning = parse_versioning_config(node);
             } else if(xstreq(node->name, "max-retry")) {
                 int64_t i;
                 if(util_strtoint(value, &i) && i >= 0) {
@@ -382,6 +420,7 @@
     dir->repository = strdup(repository);
     dir->database = strdup(database);
     dir->tagconfig = tagconfig;
+    dir->versioning = versioning;
     dir->max_retry = max_retry;
     dir->allow_cmd = allow_cmd;
     dir->backuppull = backuppull;