Added share link to posting body.

README.txt

@@ -13,7 +13,7 @@ A working demo can be found at https://ocrdu.nl/sosbtest/example.html.
 Note that: - the user must enter their private publishing key, not any other key;
            - there is only minimal input checking, but it keeps the worst crud out;
            - the categories/tags of the posting made are in pagetags.txt;
-           - the blurb you want to show for the shared page is in pageblurb.txt;
+           - the blurb you want to show for the shared pages is in pageblurb.txt;
            - the slugifier that makes the permlink only does Latin, Greek, and Cyrillic alphabets;
            - a preview of the posting is activated by editing the body of the posting.
 

Remote/shareonsteemit.js

@@ -2,8 +2,8 @@ function pasteParams() {
   var path = window.opener.document.location.toString();
   path = path.substr(0, path.lastIndexOf("\/")) + "/";
   document.getElementById("title").setAttribute("value", window.opener.document.title);
-  document.getElementById("article").value = window.opener.location.href;
-  document.getElementById("article").innerHTML = window.opener.location.href;
+  document.getElementById("article").value = "<hr>\n\n*Shared from: " + window.opener.location.href + "*\n\n<hr>";
+  document.getElementById("article").innerHTML = document.getElementById("article").value;
   try {
     var blurbRequest = new XMLHttpRequest(); //Should probably be implemented with fetch and promises these days, 
     blurbRequest.open("GET", path + "pageblurb.txt", true); //but I couldn't get that to work consistently in all browsers
@@ -12,8 +12,8 @@ function pasteParams() {
     function processBlurb() {
       if (blurbRequest.readyState == 4 && blurbRequest.status == 200) {
         var blurbtext = blurbRequest.responseText;
-        document.getElementById("article").value = blurbtext;
-        document.getElementById("article").innerHTML = blurbtext;
+        document.getElementById("article").value += "\n\n" + blurbtext;
+        document.getElementById("article").innerHTML += "\n\n" + blurbtext;
       }
     }
   } catch(error){

pageblurb.txt

@@ -1,5 +1,5 @@
 <h4>This is a placeholder text.</h4>
 
-You can put the text you want to see shared for your page in the file *pageblurb.txt.*
+You can put the text you want to see shared for your pages in the file *pageblurb.txt.*
 
 *If you delete pageblurb.txt, the article will only automatically show the URL of the page the button is on.*