1 files changed, 5 insertions, 3 deletions
diff --git a/src/fields/Doc.ts b/src/fields/Doc.ts
index 8f9f36153..99712fb04 100644
--- a/src/fields/Doc.ts
+++ b/src/fields/Doc.ts
@@ -774,7 +774,7 @@ export namespace Doc {
                 linkMap.set(link[Id], await Doc.makeClone(link, cloneMap, linkMap, rtfs, exclusions, pruneDocs, cloneLinks));
             }
         });
-        Doc.SetInPlace(copy, 'title', 'CLONE: ' + doc.title, true);
+        Doc.SetInPlace(copy, 'title', '>:' + doc.title, true);
         copy.cloneOf = doc;
         cloneMap.set(doc[Id], copy);
 
@@ -1428,6 +1428,8 @@ export namespace Doc {
         }
     }
 
+    export const FilterSep = '::';
+
     // filters document in a container collection:
     // all documents with the specified value for the specified key are included/excluded
     // based on the modifiers :"check", "x", undefined
@@ -1437,7 +1439,7 @@ export namespace Doc {
         const childFilters = StrListCast(container[filterField]);
         runInAction(() => {
             for (let i = 0; i < childFilters.length; i++) {
-                const fields = childFilters[i].split(':'); // split key:value:modifier
+                const fields = childFilters[i].split(FilterSep); // split key:value:modifier
                 if (fields[0] === key && (fields[1] === value || modifiers === 'match' || (fields[2] === 'match' && modifiers === 'remove'))) {
                     if (fields[2] === modifiers && modifiers && fields[1] === value) {
                         if (toggle) modifiers = 'remove';
@@ -1452,7 +1454,7 @@ export namespace Doc {
                 container[filterField] = undefined;
             } else if (modifiers !== 'remove') {
                 !append && (childFilters.length = 0);
-                childFilters.push(key + ':' + value + ':' + modifiers);
+                childFilters.push(key + FilterSep + value + FilterSep + modifiers);
                 container[filterField] = new List<string>(childFilters);
             }
         });