diff --git a/static/modules/md.js b/static/modules/md.js
index 09b95ca..b68ee11 100644
--- a/static/modules/md.js
+++ b/static/modules/md.js
@@ -18,29 +18,50 @@ function save(textarea, div) {
     textarea.value = text;
 }
 
+function onlinkin(e) {
+    let link = e.currentTarget;
+    if (document.getElementById('mdnotes') !== document.activeElement) {
+        document.getElementById('mdnotes').contentEditable = false;
+    }
+}
+
+function onlink(e) {
+    let mdnotes = document.getElementById('mdnotes');
+    if (mdnotes.contentEditable == 'false') {
+        mdnotes.contentEditable = true;
+    }
+}
+
+function onlinkout(e) {
+    let mdnotes = document.getElementById('mdnotes');
+    if (mdnotes.contentEditable == 'false') {
+        mdnotes.contentEditable = true;
+    }    
+}
+
 function formatLine(line) {
     let normLine = line.trimStart();
     let styleClass = null;
     let token = null;
-    if (normLine.match(/####\s/i)) {
+    if (normLine.match(/^####\s/i)) {
         token = /^(####\s)/i;
         styleClass = 'h4';
-    } else if (normLine.match(/###\s/i)) {
+    } else if (normLine.match(/^###\s/i)) {
         token = /^(###\s)/i;
         styleClass = 'h3';
-    } else if (normLine.match(/##\s/i)) {
+    } else if (normLine.match(/^##\s/)) {
         token = /^(##\s)/i;
         styleClass = 'h2';
-    } else if (normLine.match(/#\s/i)) {
+    } else if (normLine.match(/^#\s/i)) {
         token = /^(#\s)/i;
         styleClass = 'h1';
-    } else if (normLine.match(/>>>\s/i)) {
+    } else if (normLine.match(/^>>>\s/i)) {
         token = /^(>>>\s)/i;
         styleClass = 'bq3';
-    } else if (normLine.match(/>>\s/i)) {
+    } else if (normLine.match(/^>>\s/i)) {
         token = /^(>>\s)/i;
         styleClass = 'bq2';
-    } else if (normLine.match(/>\s/i)) {
+    } else if (normLine.match(/^>\s/i)) {
         token = /^(>\s)/i;
         styleClass = 'bq1';
     } else if (normLine.match(/^[*-]\s/i)) {
@@ -59,6 +80,16 @@ function formatLine(line) {
         normLine = normLine.replace(token, '<span class="token">$1</span>');
     }
     elem.innerHTML = normLine;
+    let links = elem.getElementsByClassName('link');
+    for (let i=0; i<links.length; i++) {
+        let link = links[i];
+        if (link.host !== document.location.host) {
+            link.target = '_blank';
+        }
+        link.addEventListener('mouseover', onlinkin);
+        link.addEventListener('click', onlink);
+        link.addEventListener('mouseout', onlinkout);
+    }
     return elem;
 }