diff --git a/codemeta_generation.js b/codemeta_generation.js
index 97aa898..c88ea1e 100644
--- a/codemeta_generation.js
+++ b/codemeta_generation.js
@@ -1,162 +1,180 @@
 /**
  * Copyright (C) 2019  The Software Heritage developers
  * See the AUTHORS file at the top-level directory of this distribution
  * License: GNU Affero General Public License version 3, or any later version
  * See top-level LICENSE file for more information
  */
 
 "use strict";
 
 const SPDX_PREFIX = 'https://spdx.org/licenses/';
 
 function emptyToUndefined(v) {
     if (v == null || v == "")
         return undefined;
     else
         return v;
 }
 
 function getIfSet(query) {
     return emptyToUndefined(document.querySelector(query).value);
 }
 
 function setIfDefined(query, value) {
     if (value !== undefined) {
         document.querySelector(query).value = value;
     }
 }
 
 // Names of codemeta properties with a matching HTML field name
 const directCodemetaFields = [
     'codeRepository',
     'contIntegration',
     'dateCreated',
     'datePublished',
     'dateModified',
     'issueTracker',
     'name',
     'version',
+    'identifier',
+    'description',
+    'applicationCategory',
+    //keywords TODO:keywords array 
+    'releaseNotes',
+    'funding',
+    'runtimePlatform',
+    //softwareRequiremnts
+    'developmentStatus',
+    //relatedLink
+    'programmingLanguage',
+    'isPartOf',
+    //'referencePublication'
+    //      "@type": "ScholarlyArticle",
+    //      "idendifier": "https://doi.org/xx.xxxx/xxxx.xxxx.xxxx",
+    //      "name": "title of publication"
+    
 ];
 
 // Names of codemeta properties with a matching HTML field name,
 // in a Person object
 const directPersonCodemetaFields = [
     'givenName',
     'familyName',
     'email',
+    'affiliation'   
 ];
 
 function generatePerson(idPrefix) {
     var doc = {
         "@type": "Person",
         "@id": getIfSet(`#${idPrefix}_id`),
     }
     directPersonCodemetaFields.forEach(function (item, index) {
         doc[item] = getIfSet(`#${idPrefix}_${item}`);
     });
 
     return doc;
 }
 
 function generatePersons(prefix) {
     var persons = [];
     var nbPersons = getNbPersons(prefix);
 
     for (let personId = 1; personId <= nbPersons; personId++) {
         persons.push(generatePerson(`${prefix}_${personId}`));
     }
 
     return persons;
 }
 
 function generateCodemeta() {
     var inputForm = document.querySelector('#inputForm');
     var codemetaText, errorHTML;
 
     if (inputForm.checkValidity()) {
         var doc = {
             "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
             "@type": "SoftwareSourceCode",
             "license": SPDX_PREFIX + getIfSet('#license'),
         };
 
         // Generate most fields
         directCodemetaFields.forEach(function (item, index) {
             doc[item] = getIfSet('#' + item)
         });
 
         // Generate dynamic fields
         doc = Object.assign(doc, {
             "author": generatePersons('author'),
             "contributor": generatePersons('contributor'),
         });
 
         codemetaText = JSON.stringify(doc, null, 4);
         errorHTML = "";
     }
     else {
         codemetaText = "";
         errorHTML = "invalid input (see error above)";
         inputForm.reportValidity();
     }
 
     document.querySelector('#codemetaText').innerText = codemetaText;
     setError(errorHTML);
 
     if (codemetaText) {
         // For restoring the form state on page reload
         sessionStorage.setItem('codemetaText', codemetaText);
     }
 }
 
 function importPersons(prefix, legend, docs) {
     if (docs === 'undefined') {
         return;
     }
 
     docs.forEach(function (doc, index) {
         var personId = addPerson(prefix, legend);
 
         setIfDefined(`#${personId}_id`, doc['@id']);
         directPersonCodemetaFields.forEach(function (item, index) {
             setIfDefined(`#${prefix}_${personId}_${item}`, doc[item]);
         });
     })
 }
 
 function importCodemeta() {
     var inputForm = document.querySelector('#inputForm');
     var codemetaText = document.querySelector('#codemetaText').innerText;
     var doc;
 
     try {
         doc = JSON.parse(codemetaText);
     }
     catch (e) {
         setError(`Could not read codemeta document because it is not valid JSON (${e})`);
         return;
     }
     resetForm();
 
     if (doc['license'] !== undefined && doc['license'].indexOf(SPDX_PREFIX) == 0) {
         var license = doc['license'].substring(SPDX_PREFIX.length);
         document.querySelector('#license').value = license;
     }
 
     directCodemetaFields.forEach(function (item, index) {
         setIfDefined('#' + item, doc[item]);
     });
 
     importPersons('author', 'Author', doc['author'])
     importPersons('contributor', 'Contributor', doc['contributor'])
 
     setError("");
 }
 
 function loadStateFromStorage() {
     codemetaText = sessionStorage.getItem('codemetaText')
     if (codemetaText) {
         document.querySelector('#codemetaText').innerText = codemetaText;
         importCodemeta();
     }
 }
diff --git a/dynamic_form.js b/dynamic_form.js
index 39be4c3..a62ad96 100644
--- a/dynamic_form.js
+++ b/dynamic_form.js
@@ -1,115 +1,120 @@
 /**
  * Copyright (C) 2019  The Software Heritage developers
  * See the AUTHORS file at the top-level directory of this distribution
  * License: GNU Affero General Public License version 3, or any later version
  * See top-level LICENSE file for more information
  */
 
 "use strict";
 
 function createPersonFieldset(personPrefix, legend) {
     // Creates a fieldset containing inputs for informations about a person
     var fieldset = document.createElement("fieldset")
     fieldset.classList.add("person");
     fieldset.id = personPrefix;
     
     fieldset.innerHTML = `
         <legend>${legend}</legend>
         <p>
             <label for="${personPrefix}_givenName">Given name</label>
             <input type="text" id="${personPrefix}_givenName" name="${personPrefix}_givenName"
                 placeholder="Jane" required="true" />
         </p>
         <p>
             <label for="${personPrefix}_familyName">Family name</label>
             <input type="text" id="${personPrefix}_familyName" name="${personPrefix}_familyName"
                 placeholder="Doe" />
         </p>
         <p>
             <label for="${personPrefix}_email">E-mail address</label>
             <input type="email" id="${personPrefix}_email" name="${personPrefix}_email"
                 placeholder="jane.doe@example.org" />
         </p>
         <p>
             <label for="${personPrefix}_id">URI</label>
             <input type="url" id="${personPrefix}_id" name="${personPrefix}_id"
                 placeholder="http://orcid.org/0000-0002-1825-0097" />
         </p>
+        <p>
+        <label for="${personPrefix}_affiliation">Affiliation</label>
+        <input type="url" id="${personPrefix}_affiliation" name="${personPrefix}_affiliation"
+            placeholder="Department of Computer Science, University of Pisa" />
+    </p>
     `;
 
     return fieldset;
 }
 
 function addPersonWithId(container, prefix, legend, id) {
     var fieldset = createPersonFieldset(`${prefix}_${id}`, `${legend} #${id}`);
 
     container.appendChild(fieldset);
 }
 
 function addPerson(prefix, legend) {
     var container = document.querySelector(`#${prefix}_container`);
     var personId = getNbPersons(prefix) + 1;
 
     addPersonWithId(container, prefix, legend, personId);
 
     setNbPersons(prefix, personId);
 
     return personId;
 }
 
 function removePerson(prefix) {
     var personId = getNbPersons(prefix);
 
     document.querySelector(`#${prefix}_${personId}`).remove();
 
     setNbPersons(prefix, personId-1);
 }
 
 // Initialize a group of persons (authors, contributors) on page load.
 // Useful if the page is reloaded.
 function initPersons(prefix, legend) {
     var nbPersons = getNbPersons(prefix);
     var personContainer = document.querySelector(`#${prefix}_container`)
 
     for (let personId = 1; personId <= nbPersons; personId++) {
         addPersonWithId(personContainer, prefix, legend, personId);
     }
 }
 
 function removePersons(prefix) {
     var nbPersons = getNbPersons(prefix);
     var personContainer = document.querySelector(`#${prefix}_container`)
 
     for (let personId = 1; personId <= nbPersons; personId++) {
         removePerson(prefix)
     }
 }
 
 function resetForm() {
     removePersons('author');
     removePersons('contributor');
 
     // Reset the form after deleting elements, so nbPersons doesn't get
     // reset before it's read.
     document.querySelector('#inputForm').reset();
 }
 
 function initCallbacks() {
     document.querySelector('#license')
         .addEventListener('change', validateLicense);
 
     document.querySelector('#generateCodemeta')
         .addEventListener('click', generateCodemeta);
 
     document.querySelector('#resetForm')
         .addEventListener('click', resetForm);
 
     document.querySelector('#importCodemeta')
         .addEventListener('click', importCodemeta);
 
     document.querySelector('#inputForm')
         .addEventListener('change', generateCodemeta);
 
     initPersons('author', 'Author');
     initPersons('contributor', 'Contributor');
 }
diff --git a/index.html b/index.html
index f3e910e..14caa29 100644
--- a/index.html
+++ b/index.html
@@ -1,135 +1,208 @@
 <!doctype html>
 <!--
 Copyright (C) 2019  The Software Heritage developers
 See the AUTHORS file at the top-level directory of this distribution
 License: GNU Affero General Public License version 3, or any later version
 See top-level LICENSE file for more information
 -->
 <html lang="en">
 <head>
     <meta charset="utf-8">
     <title>CodeMeta generator</title>
     <script src="./utils.js"></script>
     <script src="./fields_data.js"></script>
     <script src="./dynamic_form.js"></script>
     <script src="./codemeta_generation.js"></script>
     <link rel="stylesheet" type="text/css" href="./style.css">
 </head>
 <body>
     <h1>CodeMeta generator</h1>
 
     <p>Most fields are optional. Mandatory fields will be highlighted when generating Codemeta.</p>
 
     <form id="inputForm">
         <fieldset id="fieldsetSoftwareItself">
             <legend>The software itself</legend>
 
             <p title="The name of the software">
                 <label for="name">Name</label>
                 <input type="text" name="name" id="name"
                     placeholder="My Software" required="true" />
             </p>
 
+
+            <p title="A unique identifier">
+                <label for="identifier">Unique identifier</label>
+                <input type="text" name="identifier" id="identifier"
+                    placeholder="?????"  />
+            </p> <!-- TODO:define better-->
+
+            <p title="Type of the software application">
+                <label for="applicationCategory">Application category</label>
+                <input type="text" name="applicationCategory" id="applicationCategory"
+                    placeholder="Astronomy"  />
+            </p>
+
+            <p title="a brief description of the software">
+                <label for="description">Description</label>
+                <br>
+                <textarea rows="4" cols="50" 
+                    name="description" id="description"
+                    placeholder="My Software computes ephemerides and orbit propagation. It has been developed from early ´80." ></textarea>
+            </p> 
+            
+
             <p title="The date on which the software was created.">
                 <label for="dateCreated">Creation date</label>
                 <input type="text" name="dateCreated" id="dateCreated"
                     placeholder="YYYY-MM-DD" pattern="\d{4}-\d{2}-\d{2}" />
             </p>
 
             <p title="Date of first publication.">
                 <label for="datePublished">First release date</label>
                 <input type="text" name="datePublished" id="datePublished"
                     placeholder="YYYY-MM-DD" pattern="\d{4}-\d{2}-\d{2}" />
             </p>
 
             <p>
                 <label for="license">License</label>
                 <input list="licenses" name="license" id="license">
                 <datalist id="licenses">
                 </datalist>
             </p>
         </fieldset>
 
+        <fieldset id="fieldsetDevelopmentCommunity">
+            <legend>Additional Info</legend>
+            <p title="Funding">
+                <label for="funding">Funding</label>
+                <input type="text" name="funding" id="funding"
+                    placeholder="software funded by...(e.g. specific grant)"  />
+            </p>
+
+            <p title="Runtime Platform">
+                <label for="runtimePlatform">Runtime Platform</label>
+                <input type="text" name="runtimePlatform" id="runtimePlatform"
+                    placeholder="Operating system"  />
+            </p>
+
+            <p title="Development Status">
+                <label for="developmentStatus">Development Status</label>
+                <input type="text" name="developmentStatus" id="developmentStatus"
+                    placeholder="Concept/WIP/Suspended/Abandoned/Active/Inactive/Unsupported/Moved - (www.repostatus.org)"  />
+            </p>
+
+            <p title="Programming Language">
+                <label for="programmingLanguage">Programming Language</label>
+                <input type="text" name="programmingLanguage" id="programmingLanguage"
+                    placeholder="C#"  />
+            </p>
+
+            <p title="Part of">
+                <label for="isPartOf">Funding</label>
+                <input type="text" name="isPartOf" id="isPartOf"
+                    placeholder="part of ... project"  />
+            </p>
+        </fieldset>
+
         <fieldset id="fieldsetDevelopmentCommunity">
             <legend>Development community / tools</legend>
 
             <p title="Link to the repository where the un-compiled, human readable code and related code is located (SVN, Git, GitHub, CodePlex, institutional GitLab instance, etc.).">
                 <label for="codeRepository">Code repository</label>
                 <input type="URL" name="codeRepository" id="codeRepository"
                     placeholder="git+https://github.com/You/RepoName.git" />
             </p>
 
             <p title="Link to continuous integration service (Travis-CI, Gitlab CI, etc.).">
                 <label for="contIntegration">Continuous integration</label>
                 <input type="URL" name="contIntegration" id="contIntegration"
                     placeholder="https://travis-ci.org/You/RepoName" />
             </p>
 
             <p title="Link to a place for users/developpers to report and manage bugs (JIRA, GitHub issues, etc.).">
                 <label for="issueTracker">Issue tracker</label>
                 <input type="URL" name="issueTracker" id="issueTracker"
                     placeholder="https://github.com/You/RepoName/issues" />
             </p>
         </fieldset>
 
         <fieldset id="fieldsetCurrentVersion">
             <legend>Current version of the software</legend>
 
             <p title="Version number of the software">
                 <label for="version">Version number</label>
                 <input type="text" name="version" id="version"
                     placeholder="1.0.0" />
             </p>
 
             <p title="The date on which the software was most recently modified.">
                 <label for="dateModified">Release date</label>
                 <input type="text" name="dateModified" id="dateModified"
                     placeholder="YYYY-MM-DD" pattern="\d{4}-\d{2}-\d{2}" />
             </p>
+
+            <p title="a brief description of the software">
+                <label for="releaseNotes">Release notes</label>
+                <br>
+                <textarea rows="4" cols="50" 
+                    name="releaseNotes" id="releaseNotes"
+                    placeholder=
+"Change log: this and that; 
+Bugfixes: that and this." ></textarea>
+            </p> 
+<!--TODO: keywords as a string array -->
+
+<!--TODO: software requirements as string array -->
+
+<!--TODO: related links as URL array -->
+
+<!--TODO: referencePublication as ScholarlyArticle array -->
+
         </fieldset>
 
         <fieldset class="persons" id="author_container">
             <legend>Authors</legend>
 
             <p>Order of authors does not matter.</p>
 
             <input type="hidden" id="author_nb" value="0" />
             <div id="addRemoveAuthor">
                 <input type="button" id="author_add" value="Add one"
                     onclick="addPerson('author', 'Author');" />
                 <input type="button" id="author_remove" value="Remove last"
                     onclick="removePerson('author');" />
             </div>
         </fieldset>
 
         <fieldset class="persons" id="contributor_container">
             <legend>Contributors</legend>
 
             <p>Order of contributors does not matter.</p>
 
             <input type="hidden" id="contributor_nb" value="0" />
             <div id="addRemoveContributor">
                 <input type="button" id="contributor_add" value="Add one"
                     onclick="addPerson('contributor', 'Contributor');" />
                 <input type="button" id="contributor_remove" value="Remove last"
                     onclick="removePerson('contributor');" />
             </div>
         </fieldset>
     </form>
     <form>
         <input type="button" id="generateCodemeta" value="Generate Codemeta" />
         <input type="button" id="resetForm" value="Reset form" />
         <input type="button" id="importCodemeta" value="Import Codemeta" />
     </form>
 
     <p id="errorMessage">
     </p>
     <pre contentEditable="true" id="codemetaText"></pre>
 
     <script>
         initFieldsData();
         initCallbacks();
         loadStateFromStorage();
     </script>
 </body>
 </html>
diff --git a/style.css b/style.css
index bd4f8c8..67e7e65 100644
--- a/style.css
+++ b/style.css
@@ -1,34 +1,35 @@
 /**
  * Copyright (C) 2019  The Software Heritage developers
  * See the AUTHORS file at the top-level directory of this distribution
  * License: GNU Affero General Public License version 3, or any later version
  * See top-level LICENSE file for more information
  */
 
+
 .person {
     display: inline-block;
 }
 
 #fieldsetSoftwareItself, #fieldsetDevelopmentCommunity, #fieldsetCurrentVersion {
     display: inline-block;
 }
 
 #license {
     /* License names are long */
     min-width: 20em;
 }
 
 input[type=URL] {
     /* URLs are longer than the other fields */
     min-width: 20em;
 }
 
 #codemetaText {
     width: 100%;
     min-height: 10em;
     border: 1px solid black;
 }
 
 #errorMessage {
     color: red;
 }