Fix mark parseDOM style specification (#17)

Author: hubgit

react-prosemirror-config-default/src/marks.js

@@ -21,8 +21,8 @@ const superscript = {
 const strikethrough = {
   parseDOM: [
     { tag: 'strike' },
-    { style: 'text-decoration:line-through' },
-    { style: 'text-decoration-line:line-through' }
+    { style: 'text-decoration=line-through' },
+    { style: 'text-decoration-line=line-through' }
   ],
   toDOM: () => ['span', {
     style: 'text-decoration-line:line-through'
@@ -32,7 +32,7 @@ const strikethrough = {
 const underline = {
   parseDOM: [
     { tag: 'u' },
-    { style: 'text-decoration:underline' }
+    { style: 'text-decoration=underline' }
   ],
   toDOM: () => ['span', {
     style: 'text-decoration:underline'

react-prosemirror-example/package.json

@@ -9,7 +9,7 @@
     "build"
   ],
   "dependencies": {
-    "@aeaton/react-prosemirror": "^0.11.0",
+    "@aeaton/react-prosemirror": "^0.21.0",
     "@aeaton/react-prosemirror-config-default": "^0.10.0",
     "react": "^16.3.0",
     "react-dom": "^16.3.0",

react-prosemirror-example/src/index.js

@@ -32,7 +32,6 @@ ReactDOM.render(
     <Input>
       <Editor
         options={options}
-        value={`<h1>This is a title</h1><p>This is a paragraph</p>`}
         onChange={doc => {
           document.getElementById('output').textContent = JSON.stringify(doc, null, 2)
         }}