diff --git a/jsdoc.js b/jsdoc.js
index 4353576b..5f8447a0 100644
--- a/jsdoc.js
+++ b/jsdoc.js
@@ -155,8 +155,18 @@ function main() {
         throw('Configuration file cannot be evaluated. '+e);
     }
     
+    // allow to pass arguments from configuration file
+    if (env.conf.opts) {
+        for (var opt in env.conf.opts) {
+            // arguments passed in command are more important
+            if (!(opt in env.opts)) {
+                env.opts[opt] = env.conf.opts[opt];
+            }
+        }
+    }
+    
     if (env.opts.query) {
-        env.opts.query = require('query').toObject(env.opts.query);
+        env.opts.query = require('common/query').toObject(env.opts.query);
     }
     
     // which version of javascript will be supported? (rhino only)
@@ -230,10 +240,10 @@ function main() {
             exit(0);
         }
 
-        env.opts.template = env.opts.template || 'default';
+        env.opts.template = env.opts.template || 'templates/default';
         
         // should define a global "publish" function
-        include('templates/' + env.opts.template + '/publish.js');
+        include(env.opts.template + '/publish.js');
 
         if (typeof publish === 'function') {
             publish(
@@ -244,4 +254,4 @@ function main() {
         else { // TODO throw no publish warning?
         }
     }
-}
\ No newline at end of file
+}
diff --git a/rhino_modules/jsdoc/opts/parser.js b/rhino_modules/jsdoc/opts/parser.js
index f82e0f50..8ffead79 100644
--- a/rhino_modules/jsdoc/opts/parser.js
+++ b/rhino_modules/jsdoc/opts/parser.js
@@ -12,7 +12,7 @@ var common = {
 var argParser = new common.args.ArgParser(),
 	ourOptions,
 	defaults = {
-		template: 'default',
+		template: 'templates/default',
 		destination: './out/'
 	};
 
diff --git a/rhino_modules/jsdoc/schema.js b/rhino_modules/jsdoc/schema.js
index 5cbc85e2..2e3b1e0b 100644
--- a/rhino_modules/jsdoc/schema.js
+++ b/rhino_modules/jsdoc/schema.js
@@ -113,6 +113,11 @@ exports.jsdocSchema = {
                         "maxItems": 1,
                         "enum": ["private", "protected", "public"]
                     },
+                    "virtual": { // is a member left to be implemented during inheritance?
+                        "type": "boolean",
+                        "optional": true,
+                        "default": false
+                    },
                     "attrib": { // other attributes, like "readonly"
                         "type": "string",
                         "optional": true
diff --git a/rhino_modules/jsdoc/tag/dictionary/definitions.js b/rhino_modules/jsdoc/tag/dictionary/definitions.js
index 8f6d33ca..190e6fb5 100644
--- a/rhino_modules/jsdoc/tag/dictionary/definitions.js
+++ b/rhino_modules/jsdoc/tag/dictionary/definitions.js
@@ -11,6 +11,15 @@
 */
 exports.defineTags = function(dictionary) {
     
+    dictionary.defineTag('abstract', {
+        mustNotHaveValue: true,
+        onTagged: function(doclet, tag) {
+            // since "abstract" is reserved word in JavaScript let's use "virtual" in code
+            doclet.virtual = true;
+        }
+    })
+    .synonym('virtual');
+    
     dictionary.defineTag('access', {
         mustHaveValue: true,
         onTagged: function(doclet, tag) {
diff --git a/templates/default/publish.js b/templates/default/publish.js
index d2a5bcd4..b40efc9d 100644
--- a/templates/default/publish.js
+++ b/templates/default/publish.js
@@ -108,6 +108,10 @@
         function addAttribs(f) {
             var attribs = [];
             
+            if (f.virtual) {
+                attribs.push('virtual');
+            }
+            
             if (f.access && f.access !== 'public') {
                 attribs.push(f.access);
             }
diff --git a/templates/haruki/publish.js b/templates/haruki/publish.js
index 1119d2f5..694ce6a4 100644
--- a/templates/haruki/publish.js
+++ b/templates/haruki/publish.js
@@ -51,7 +51,8 @@
                 var thisNamespace = parentNode.namespaces[element.name] = {
                     'name': element.name,
                     'description': element.description || '',
-                    'access': element.access || ''
+                    'access': element.access || '',
+                    'virtual': !!element.virtual
                 };
                 
                 graft(thisNamespace, childNodes, element.longname, element.name);
@@ -64,7 +65,8 @@
                 var thisMixin = parentNode.mixins[element.name] = {
                     'name': element.name,
                     'description': element.description || '',
-                    'access': element.access || ''
+                    'access': element.access || '',
+                    'virtual': !!element.virtual
                 };
                 
                 graft(thisMixin, childNodes, element.longname, element.name);
@@ -77,6 +79,7 @@
                 var thisFunction = parentNode.functions[element.name] = {
                     'name': element.name,
                     'access': element.access || '',
+                    'virtual': !!element.virtual,
                     'description': element.description || '',
                     'parameters': [ ]
                 };
@@ -108,6 +111,7 @@
                 parentNode.properties[element.name] = {
                     'name': element.name,
                     'access': element.access || '',
+                    'virtual': !!element.virtual,
                     'description': element.description || '',
                     'type': element.type? (element.type.length === 1? element.type[0] : element.type) : ''
                 };
@@ -121,6 +125,7 @@
                 var thisEvent = parentNode.events[element.name] = {
                     'name': element.name,
                     'access': element.access || '',
+                    'virtual': !!element.virtual,
                     'description': element.description || '',
                     'parameters': [
                     ]
@@ -156,6 +161,7 @@
                     'description': element.classdesc || '',
                     'extends': element.augments || [],
                     'access': element.access || '',
+                    'virtual': !!element.virtual,
                     'fires': element.fires || '',
                     'constructor': {
                         'name': element.name,
diff --git a/test/cases/abstracttag.js b/test/cases/abstracttag.js
new file mode 100644
index 00000000..07aeb9b7
--- /dev/null
+++ b/test/cases/abstracttag.js
@@ -0,0 +1,17 @@
+/** @constructor */
+function Thingy() {
+
+    /** @abstract */
+    this.pez = 2;
+    
+}
+
+// same as...
+
+/** @constructor */
+function OtherThingy() {
+
+    /** @virtual */
+    this.pez = 2;
+    
+}
\ No newline at end of file
diff --git a/test/runner.js b/test/runner.js
index ae341fed..b37c9cd0 100644
--- a/test/runner.js
+++ b/test/runner.js
@@ -103,6 +103,7 @@ testFile('test/t/cases/innerscope2.js');
 testFile('test/t/cases/modules/data/mod-1.js');
 testFile('test/t/cases/modules/data/mod-2.js');
 
+testFile('test/t/cases/abstracttag.js');
 testFile('test/t/cases/accesstag.js');
 testFile('test/t/cases/alias.js');
 testFile('test/t/cases/alias2.js');
diff --git a/test/t/cases/abstracttag.js b/test/t/cases/abstracttag.js
new file mode 100644
index 00000000..be9c66e3
--- /dev/null
+++ b/test/t/cases/abstracttag.js
@@ -0,0 +1,22 @@
+(function() {
+    var docSet = testhelpers.getDocSetFromFile('test/cases/abstracttag.js'),
+        type = docSet.getByLongname('Thingy')[0]
+        pez = docSet.getByLongname('Thingy#pez')[0];
+    
+    test('By default symbol has virtual=undefined property.', function() {
+        assert.equal(!!type.virtual, false);
+    });
+    
+    test('When a symbol has a @abstract tag, the doclet has a virtual=true property.', function() {
+        assert.equal(pez.virtual, true);
+    });
+    
+    // same as...
+    
+    pez = docSet.getByLongname('OtherThingy#pez')[0];
+    
+    test('When a symbol has a @virtual tag, the doclet has a virtual=true property.', function() {
+        assert.equal(pez.virtual, true);
+    });
+
+})();
\ No newline at end of file