diff -r 26998dc980f9 -r 10305c5b0a16 dav/sync.h
--- a/dav/sync.h	Wed May 30 16:06:03 2018 +0200
+++ b/dav/sync.h	Wed May 30 16:25:57 2018 +0200
@@ -129,6 +129,7 @@
     size_t subfilter_count;
     SyncTagFilter* subfilters;
 };
+SyncTagFilter* parse_tagfilter_string(const char* filterstring);
 
 int cmd_add_tag(CmdArgs *args);
 int cmd_remove_tag(CmdArgs *args);