diff --git a/fields/__init__.py b/fields/__init__.py
index c650f85..431d89b 100644
--- a/fields/__init__.py
+++ b/fields/__init__.py
@@ -76,6 +76,26 @@ class Field:
              tagName=field.master and 'slave' or '';
              layoutTarget=field">:tool.pxLayoutedObject</x>''')
 
+    def doRender(self, layoutType, request, context=None, name=None):
+        '''Allows to call pxRender from code, to display the content of this
+           field in some specific context, for example in a Computed field.'''
+        if context == None: context = {}
+        context['layoutType'] = layoutType
+        context['field'] = self
+        context['name'] = name or self.name
+        # We may be executing a PX on a given object or on a given object tied
+        # through a Ref.
+        ctx = request.pxContext
+        if 'obj' not in context:
+            context['obj'] = ('tied' in ctx) and ctx['tied'] or ctx['obj']
+            context['zobj'] = context['obj'].o
+        # Copy some keys from the context of the currently executed PX.
+        for k in ('tool', 'ztool', 'req', '_', 'q', 'url', 'dright', 'dleft', \
+                  'inPopup'):
+            if k in context: continue
+            context[k] = ctx[k]
+        return self.pxRender(context).encode('utf-8')
+
     # Displays a field label.
     pxLabel = Px('''<label if="field.hasLabel and field.renderLabel"
      lfor=":field.name">::_('label', field=field)</label>''')
diff --git a/fields/string.py b/fields/string.py
index 9653f70..f7d599b 100644
--- a/fields/string.py
+++ b/fields/string.py
@@ -113,9 +113,11 @@ class String(Field):
     # pxView part for format String.XHTML.
     pxViewRich = Px('''
      <div if="not mayAjaxEdit" class="xhtml">::value or '-'</div>
-     <div if="mayAjaxEdit" class="xhtml" contenteditable="true"
-          id=":'%s_%s_ck' % (zobj.id, name)">::value or '-'</div>
-     <script if="mayAjaxEdit">::field.getJsInlineInit(zobj,None)</script>''')
+     <x if="mayAjaxEdit" var2="name=lg and ('%s_%s' % (name, lg)) or name">
+      <div class="xhtml" contenteditable="true"
+           id=":'%s_%s_ck' % (zobj.id, name)">::value or '-'</div>
+      <script if="mayAjaxEdit">::field.getJsInlineInit(zobj, name, lg)</script>
+     </x>''')
 
     # PX displaying the language code and name besides the part of the
     # multilingual field storing content in this language.
@@ -618,7 +620,6 @@ class String(Field):
     def getIndexValue(self, obj, forSearch=False):
         '''Pure text must be extracted from rich content; multilingual content
            must be concatenated.'''
-        print 'INDEX value computing...', self.name, obj.title
         isXhtml = self.format == String.XHTML
         if self.isMultilingual():
             res = self.getValue(obj)
@@ -639,7 +640,6 @@ class String(Field):
         # Ugly catalog: if value is an empty string or None, it keeps the
         # previous index value.
         if res in self.emptyValuesCatalogIgnored: res = ' '
-        print 'INDEX value for', self.name, 'is', res
         return res
 
     def getPossibleValues(self, obj, withTranslations=False,
@@ -815,8 +815,18 @@ class String(Field):
         '''Stores the new field value from an Ajax request, or do nothing if
            the action was canceled.'''
         rq = obj.REQUEST
-        if rq.get('cancel') != 'True':
-            self.store(obj, self.getStorableValue(rq['fieldContent']))
+        if rq.get('cancel') == 'True': return
+        requestValue = rq['fieldContent']
+        if self.isMultilingual():
+            # We get a partial value, for one language only.
+            language = rq['languageOnly']
+            v = self.getUnilingualStorableValue(requestValue)
+            getattr(obj.aq_base, self.name)[language] = v
+            part = ' (%s)' % language
+        else:
+            self.store(obj, self.getStorableValue(requestValue))
+            part = ''
+        obj.log('Ajax-edited %s%s on %s.' % (self.name, part, obj.id))
 
     def getIndexType(self):
         '''Index type varies depending on String parameters.'''
@@ -893,18 +903,20 @@ class String(Field):
         return 'CKEDITOR.replace("%s", {%s})' % \
                (name, self.getCkParams(obj, language))
 
-    def getJsInlineInit(self, obj, language):
+    def getJsInlineInit(self, obj, name, language):
         '''Gets the Javascript init code for enabling inline edition of this
            field (rich text only). If the field is multilingual, the current
-           p_language is given. Else, p_language is None.'''
+           p_language is given and p_name includes it. Else, p_language is
+           None.'''
         uid = obj.id
-        name = not language and self.name or ('%s_%s' % (self.name, language))
+        fieldName = language and name.rsplit('_',1)[0] or name
+        lg = language or ''
         return "CKEDITOR.disableAutoInline = true;\n" \
                "CKEDITOR.inline('%s_%s_ck', {%s, on: {blur: " \
                "function( event ) { var content = event.editor.getData(); " \
-               "doInlineSave('%s', '%s', '%s', content)}}})" % \
-               (uid, name, self.getCkParams(obj, language), uid, name,
-                obj.absolute_url())
+               "doInlineSave('%s','%s','%s',content,'%s')}}})" % \
+               (uid, name, self.getCkParams(obj, language), uid, fieldName,
+                obj.absolute_url(), lg)
 
     def isSelected(self, obj, fieldName, vocabValue, dbValue):
         '''When displaying a selection box (only for fields with a validator
diff --git a/gen/ui/appy.js b/gen/ui/appy.js
index 01a10a2..cdedcf8 100644
--- a/gen/ui/appy.js
+++ b/gen/ui/appy.js
@@ -110,6 +110,7 @@ function getAjaxHook(hookId) {
      for the result of an ajax request. If p_hookId starts with ':', we search
      the element in the top browser window, not in the current one that can be
      an iframe.*/
+  if (!hookId) return;
   var container = window.document;
   var startIndex = 0;
   if (hookId[0] == ':') {
@@ -126,7 +127,7 @@ function getAjaxChunk(pos) {
   if ( (typeof(xhrObjects[pos]) != 'undefined') &&
        (xhrObjects[pos].freed == 0)) {
     var hook = xhrObjects[pos].hook;
-    if (xhrObjects[pos].xhr.readyState == 1) {
+    if (hook && (xhrObjects[pos].xhr.readyState == 1)) {
       // The request has been initialized: display the waiting radar
       var hookElem = getAjaxHook(hook);
       if (hookElem)
@@ -135,7 +136,8 @@ function getAjaxChunk(pos) {
     if (xhrObjects[pos].xhr.readyState == 4) {
       // We have received the HTML chunk
       var hookElem = getAjaxHook(hook);
-      if (hookElem && (xhrObjects[pos].xhr.status == 200)) {
+      var responseOk = (xhrObjects[pos].xhr.status == 200);
+      if (hookElem && responseOk) {
         injectChunk(hookElem, xhrObjects[pos].xhr.responseText);
         // Call a custom Javascript function if required
         if (xhrObjects[pos].onGet) {
@@ -146,8 +148,8 @@ function getAjaxChunk(pos) {
         for (var i=0; i<innerScripts.length; i++) {
           eval(innerScripts[i].innerHTML);
         }
-        xhrObjects[pos].freed = 1;
       }
+      if (responseOk) xhrObjects[pos].freed = 1;
     }
   }
 }
@@ -210,8 +212,8 @@ function askAjaxChunk(hook,mode,url,px,params,beforeSend,onGet) {
       // Set the correct HTTP headers
       rq.xhr.setRequestHeader(
         "Content-Type", "application/x-www-form-urlencoded");
-      rq.xhr.setRequestHeader("Content-length", paramsFull.length);
-      rq.xhr.setRequestHeader("Connection", "close");
+      // rq.xhr.setRequestHeader("Content-length", paramsFull.length);
+      // rq.xhr.setRequestHeader("Connection", "close");
       rq.xhr.onreadystatechange = function(){ getAjaxChunk(pos); }
       rq.xhr.send(paramsFull);
     }
@@ -294,12 +296,14 @@ function askField(hookId, objectUrl, layoutType, customParams, showChanges,
   askAjaxChunk(hookId, 'GET', objectUrl, px, params, null, evalInnerScripts);
 }
 
-function doInlineSave(objectUid, name, objectUrl, content){
-  /* Ajax-saves p_content of field named p_name on object whose id is
+function doInlineSave(objectUid, name, objectUrl, content, language){
+  /* Ajax-saves p_content of field named p_name (or only on part corresponding
+     to p_language if the field is multilingual) on object whose id is
      p_objectUid and whose URL is p_objectUrl. Asks a confirmation before
      doing it. */
   var doIt = confirm(save_confirm);
   var params = {'action': 'storeFromAjax', 'layoutType': 'view'};
+  if (language) params['languageOnly'] = language;
   var hook = null;
   if (!doIt) {
     params['cancel'] = 'True';