Index: openacs-4/packages/acs-api-browser/www/procs-file-view.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-api-browser/www/procs-file-view.tcl,v
diff -u -r1.9 -r1.10
--- openacs-4/packages/acs-api-browser/www/procs-file-view.tcl	7 Aug 2017 23:47:46 -0000	1.9
+++ openacs-4/packages/acs-api-browser/www/procs-file-view.tcl	21 Jan 2018 01:13:57 -0000	1.10
@@ -42,11 +42,13 @@
     } else {
 	set link [subst {<p>Go back to <a href="[ns_quotehtml [ad_conn package_url]]">API Browser</a>.}]
     }
-    ad_return_warning "No such library file" [subst {
-	The file '$path' was not found. Maybe the url contains a typo.
-	$link
-    }]
-    return
+    ad_return_warning \
+        "No such library file" \
+        [subst {
+            The file '$path' was not found. Maybe the url contains a typo.
+            $link
+        }]
+    ad_script_abort
 }