Add headline hashes for easier referencing to headlines

layouts/doc/single.html

@@ -8,7 +8,7 @@
 		</div>
 		<div class="column is-three-quarters">
 			<div class="content">
-				{{ .Content }}
+				{{ partial "headline-hash.html" .Content }}
 			</div>
 		</div>
 	</div>

layouts/page/single.html

@@ -3,7 +3,7 @@
 
 <div class="container is-centered page">
 	<div class="content">
-		{{ .Content }}
+		{{ partial "headline-hash.html" .Content }}
 	</div>
 </div>
 

layouts/partials/headline-hash.html

@@ -0,0 +1 @@
+{{ . | replaceRE "(<h[1-9] id=\"([^\"]+)\".+)(</h[1-9]+>)" "${1}&nbsp;<a class=\"headline-hash\" href=\"#${2}\">#</a> ${3}" | safeHTML }}

layouts/post/single.html

@@ -13,7 +13,7 @@
 			{{ i18n "authored_by" }}
 			<b>{{ .Params.author | default .Site.Params.author }}</b>
 		</p>
-		{{ .Content }}
+		{{ partial "headline-hash.html" .Content }}
 	</div>
 </div>