s/heading-link/heading-anchor/

IPython/frontend/html/notebook/static/css/style.min.css

@@ -934,7 +934,7 b' pre,code,kbd,samp{white-space:pre-wrap;}'
 .js-error{color:darkred;}
 a{text-decoration:underline;}
 p{margin-bottom:0;}
-a.heading-link:link{text-decoration:none;color:inherit;}
+a.heading-anchor:link{text-decoration:none;color:inherit;}
 @media print{body{overflow:visible !important;} div#notebook{overflow:visible !important;} .ui-widget-content{border:0px;} #save_widget{margin:0px !important;} #header,#pager,#pager_splitter,#menubar,#toolbar{display:none !important;} .cell{border:none !important;} .toolbar{display:none;}}.rendered_html{color:black;}.rendered_html em{font-style:italic;}
 .rendered_html strong{font-weight:bold;}
 .rendered_html u{text-decoration:underline;}

IPython/frontend/html/notebook/static/js/textcell.js

@@ -520,7 +520,7 b' var IPython = (function (IPython) {'
             $('<h'+this.level+'/>')
             .append(
             $('<a/>')
-                .addClass('heading-link')
+                .addClass('heading-anchor')
                 .attr('href', '#' + text)
                 .attr('name', text)
                 .html(text)

IPython/frontend/html/notebook/static/less/notebook.less

@@ -469,7 +469,7 b' margin-bottom:0;'
 
 }
 
-a.heading-link:link {
+a.heading-anchor:link {
   text-decoration: none;
   color: inherit;
 }