Fixed issue for special characters in attachements

frappe/public/js/frappe/form/footer/timeline_item.html

@@ -124,7 +124,7 @@
 			<div style="margin: 10px 0px">
 				{% $.each(data.attachments, function(i, a) { %}
 				<div class="text-ellipsis">
-					<a href="{%= a.file_url.replace(/#/g, \'%23\') %}" class="text-muted small" target="_blank">
+					<a href="{%= encodeURI(a.file_url).replace(/#/g, \'%23\') %}" class="text-muted small" target="_blank">
 						<i class="icon-paperclip"></i>
 						{%= a.file_url.split("/").slice(-1)[0] %}
 						{% if (a.is_private) { %}