diff --git a/README.md b/README.md
index ef9f437..13746ea 100644
--- a/README.md
+++ b/README.md
@@ -24,4 +24,6 @@ http://localhost:3000/exampleServer
 
 https://github.com/mkslanc/ace-linters/blob/c1b317e01299016ac7da6588361228637f4eac25/packages/demo/websockets-lsp/server/server.ts
 
-https://www.jsonrpc.org/specification
\ No newline at end of file
+https://www.jsonrpc.org/specification
+
+yyy **GGG**
\ No newline at end of file
diff --git a/samples/didopen/client.json b/samples/didopen/client.json
new file mode 100644
index 0000000..6b4ebcc
--- /dev/null
+++ b/samples/didopen/client.json
@@ -0,0 +1,12 @@
+{
+    "jsonrpc": "2.0",
+    "method": "textDocument/didOpen",
+    "params": {
+        "textDocument": {
+            "uri": "file:///some/file.xml",
+            "languageId": "xml",
+            "text": "<foo at=42><bar>test</bar></foo>vvvbvbvbvbvbv\nvv\n\nvcccccccccccccc\n",
+            "version": 0
+        }
+    }
+}
\ No newline at end of file
diff --git a/samples/logMessage/server.json b/samples/logMessage/server.json
new file mode 100644
index 0000000..ba3dac5
--- /dev/null
+++ b/samples/logMessage/server.json
@@ -0,0 +1,5 @@
+{
+    "jsonrpc": "2.0"
+   
+  
+}
\ No newline at end of file
diff --git a/webapp/lsp/lsp-text.xqm b/webapp/lsp/lsp-text.xqm
index 70ca252..c497e63 100644
--- a/webapp/lsp/lsp-text.xqm
+++ b/webapp/lsp/lsp-text.xqm
@@ -26,13 +26,13 @@ as map(*)?
   "contents": [
     {
       "language": "markdown",
-      "value": `this is **bold** markdown
-      a link (here)[http://google.com]
-      The last line`
+      "value": `markdown: this is **bold** 
+      a [link](http://google.com)
+      The last line.`
     },
     {
       "language": "plaintext",
-      "value": "A hover for " || json:serialize($json)
+      "value": "plaintext: A hover for " || json:serialize($json?params?position)
     }]
 }
   }
@@ -56,8 +56,13 @@ function lsp-text:didOpen($json as map(*))
 as map(*)?
 {
  let $textDoc:=$json?params?textDocument
- let $text:=$textDoc?text=>trace("TXT")
- return ()
+
+ let $x:=job:eval(xs:anyURI("parse.xq"),
+             {"textDocument":$textDoc,"webSocket":ws:id()},
+             { 'cache': true() }
+             )
+ 
+ return ws:set(ws:id(),$textDoc?uri,$textDoc)
 };
 
 (:~  unknown method response :)
diff --git a/webapp/lsp/parse.xq b/webapp/lsp/parse.xq
new file mode 100644
index 0000000..ba1eaf7
--- /dev/null
+++ b/webapp/lsp/parse.xq
@@ -0,0 +1,24 @@
+(: parse a didOpen :)
+import module namespace p="xq4" at "xq4.xqm";
+
+declare variable $textDocument external;
+declare variable $webSocket as xs:string external;
+
+let $text as xs:string:=$textDocument?text
+let $uri:=$textDocument?uri
+let $files:=ws:get($webSocket,"files",{})
+let $files:=if(map:contains($files,$uri)) 
+            then $files 
+            else map:put($files,$uri,{"textDocument":random:uuid(),"parse":random:uuid() })
+let $keys:=$files($uri)
+let $xml:=p:parse-Module($text)
+
+return (
+    ws:set($webSocket,"files",$files),
+    ws:set($webSocket,$keys?textDocument,$textDocument),
+    ws:set($webSocket,$keys?parse,$xml),
+    ws:send({"jsonrpc": "2.0","method":"window/logMessage",
+    "params":{"type":1,"message":"TODO"}},$webSocket)
+)
+
+ 
\ No newline at end of file
diff --git a/webapp/lsp/smoke.xq b/webapp/lsp/smoke.xq
new file mode 100644
index 0000000..d52c7f0
--- /dev/null
+++ b/webapp/lsp/smoke.xq
@@ -0,0 +1,4 @@
+job:eval(xs:anyURI("parse.xq"),
+             {"textDocument":"2+3","webSocket":ws:id()},
+             { 'cache': true() }
+             )
\ No newline at end of file
diff --git a/webapp/static/codemirror/index.html b/webapp/static/codemirror/index.html
index 5c104d1..e938dce 100644
--- a/webapp/static/codemirror/index.html
+++ b/webapp/static/codemirror/index.html
@@ -34,7 +34,7 @@
             <div class="col-2">
                 something
             </div>
-            <div class="col flex-grow-1" style="background-color:gainsboro">
+            <div class="col flex-grow-1" >
                 <div class="row" >
                     <div >
                         <label for="file">File:</label><input id="iFile" type="url" value="file:///some/file.xml" />
@@ -57,7 +57,7 @@
     <script src="./lsp.bundle.js"></script>
     <script>
 
-        let doc = `<foo at=42><bar>test</bar></foo>`;
+        let doc = `3+1`;
         // Load saved content from localStorage when the page loads
         window.addEventListener('load', () => {
             const savedText = localStorage.getItem('code');
@@ -90,6 +90,7 @@
             lsp.simpleWebSocketTransport(server)
                 .then(transport => {
                     let link = lsp.lsp(transport, file);
+                    const doc=view.state.doc.toString();
                     const state = lsp.createEditorState(doc, [...lsp.baseExts, link]);
                     view.setState(state);
                 })