Merge branch '3.1.x'

Conflicts:
	phpBB/styles/prosilver/template/viewtopic_body.html
	phpBB/styles/subsilver2/template/viewtopic_body.html

phpBB/docs/events.md

@@ -2225,6 +2225,34 @@ viewtopic_body_post_subject_before
 * Since: 3.1.7-RC1
 * Purpose: Add data before post icon and subject
 
+viewtopic_body_postrow_back2top_after
+===
+* Locations:
+    + styles/prosilver/template/viewtopic_body.html
+* Since: 3.1.8-RC1
+* Purpose: Add content to the post's bottom after the back to top link 
+
+viewtopic_body_postrow_back2top_append
+===
+* Locations:
+    + styles/prosilver/template/viewtopic_body.html
+* Since: 3.1.8-RC1
+* Purpose: Add content to the post's bottom directly before the back to top link 
+
+viewtopic_body_postrow_back2top_before
+===
+* Locations:
+    + styles/prosilver/template/viewtopic_body.html
+* Since: 3.1.8-RC1
+* Purpose: Add content to the post's bottom before the back to top link 
+
+viewtopic_body_postrow_back2top_prepend
+===
+* Locations:
+    + styles/prosilver/template/viewtopic_body.html
+* Since: 3.1.8-RC1
+* Purpose: Add content to the post's bottom directly before the back to top link 
+
 viewtopic_body_postrow_custom_fields_after
 ===
 * Locations:

phpBB/styles/prosilver/template/viewtopic_body.html

@@ -359,12 +359,16 @@
 
 		</div>
 
+		<!-- EVENT viewtopic_body_postrow_back2top_before -->
 		<div class="back2top">
+			<!-- EVENT viewtopic_body_postrow_back2top_prepend -->
 			<a href="#top" class="top" title="{L_BACK_TO_TOP}">
 				<i class="icon fa-chevron-circle-up fa-fw icon-gray" aria-hidden="true"></i>
 				<span class="sr-only">{L_BACK_TO_TOP}</span>
 			</a>
+			<!-- EVENT viewtopic_body_postrow_back2top_append -->
 		</div>
+		<!-- EVENT viewtopic_body_postrow_back2top_after -->
 
 		</div>
 	</div>