diff --git a/dat/ignore.txt b/dat/ignore.txt
index 50ae5bf..a7ce135 100644
--- a/dat/ignore.txt
+++ b/dat/ignore.txt
@@ -1,4 +1,4 @@
 css/extra.scss
+css/bui.scss
 dnd/template.org
-article/perfect-markup.md
-article/perfect-markup.md
+.git
diff --git a/in b/in
index aa091b5..f242cb0 160000
--- a/in
+++ b/in
@@ -1 +1 @@
-Subproject commit aa091b501be4fabd8829b1d09073e22d3b6e763e
+Subproject commit f242cb0190d769a916402f3fbca88c15d0bed719
diff --git a/m4/lib.m4 b/m4/lib.m4
index 08a4ee5..55545e3 100644
--- a/m4/lib.m4
+++ b/m4/lib.m4
@@ -1,6 +1,5 @@
 divert(-1)
 # extra macros for site structure
-define(`_ytv',`<iframe width="ifdef(`$3',$1,560)" height="ifdef(`$3',$3,315)" src="$1" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>')
 define(`_wrap',<$1>$2</$1>)
 define(`_empty',`')
 divert`'dnl