updated readme

readme.md

@@ -2,7 +2,7 @@
 
 Provides a web service that downloads a requested web page and outputs a markdown version.
 
-Example request:
+Example request, supply url:
 
 	GET https://urltomarkdown.herokuapp.com/?url=https%3A%2F%2Fwww.mozilla.org%2Fen-GB%2Ffirefox%2F
 
@@ -17,10 +17,20 @@ Response:
 	
 	[Join Firefox](https://accounts.firefox.com/signup?entrypoint=mozilla.org-firefox_home&form_type=button&utm_source=mozilla.org-firefox_home&utm_medium=referral&utm_campaign=firefox-home&utm_content=secondary-join-firefox) [Learn more about joining Firefox](https://www.mozilla.org/en-GB/firefox/accounts/)
 
+Alternative request, supply url and html:
+
+	POST https://urltomarkdown.herokuapp.com/
+		
+	url=https%3A%2F%2Fwww.mozilla.org%2Fen-GB%2Ffirefox%2F
+		
+	html=%3C!doctype%20html%3E%3Chtml%20...
+
 Inspired by [Heck Yeah Markdown](http://heckyesmarkdown.com)
 
 ## Also of interest:
 
+### Bookmarklet
+
 A bookmarklet for SimpleNote on iOS/iPadOS (based on [simpleclip](https://gist.github.com/byrney/b21456682e77a0d51708)):
 
 ```
@@ -41,3 +51,26 @@ javascript:(
 		}
 )();
 ```
+
+### Safari Snippets
+
+Using [Safari Snippets](https://apps.apple.com/us/app/safari-snippets/id1126048257)
+ with the following code solves the issue that some sites prevent javascript bookmarklets accessing a resource on a different domain
+
+```
+var request=new XMLHttpRequest();
+var herokuurl="https://urltomarkdown.herokuapp.com/";
+
+request.onreadystatechange=function()	
+{
+		if(request.readyState==4&&request.status==200) {
+		let text = '# ' + decodeURIComponent(request.getResponseHeader('X-Title')) +  '\n' + request.responseText;
+		location.href="simplenote://new?content="+encodeURIComponent(text);
+		}
+};
+
+request.open("POST", herokuurl, true);
+request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+html=document.documentElement.innerHTML;
+request.send("html="+encodeURIComponent(html)+"&url="+encodeURIComponent(window.location.href));
+```