diff --git a/src/apply.xsl b/src/apply.xsl
index b7c4940..ff632b7 100644
--- a/src/apply.xsl
+++ b/src/apply.xsl
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!--
+<!--@comment
   Dynamic function application
 
   Copyright (C) 2014 LoVullo Associates, Inc.
@@ -18,7 +18,9 @@
 
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+-->
 
+<!--
   This can be used to create higher-order functions.
 
   If you need more arguments than this, then you may want to consider
diff --git a/src/apply/partial.xsl b/src/apply/partial.xsl
index 5ddc417..883d406 100644
--- a/src/apply/partial.xsl
+++ b/src/apply/partial.xsl
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!--
+<!--@comment
   Partial function application
 
   Copyright (C) 2014 LoVullo Associates, Inc.
@@ -18,7 +18,9 @@
 
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+-->
 
+<!--
   Partial applications may only be used with dynamic functions
   (functions compatible with `f:apply').
 -->
diff --git a/src/apply/ref.xsl b/src/apply/ref.xsl
index b1a2881..e3c001e 100644
--- a/src/apply/ref.xsl
+++ b/src/apply/ref.xsl
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!--
+<!--@comment
   Dynamic function reference
 
   Copyright (C) 2014 LoVullo Associates, Inc.
@@ -18,7 +18,9 @@
 
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+-->
 
+<!--
   A dynamic function reference is a sequence describing a dynamic
   function to be applied.  It consists of two major parts—the dynamic
   function reference descriptor and the arguments to bind to its
diff --git a/src/apply/thrush.xsl b/src/apply/thrush.xsl
index e08ef2e..d934f4a 100644
--- a/src/apply/thrush.xsl
+++ b/src/apply/thrush.xsl
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!--
+<!--@comment
   Implementation of the Thrush combinator
 
   Copyright (C) 2014 LoVullo Associates, Inc.
@@ -18,7 +18,9 @@
 
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+-->
 
+<!--
   The Thrush combinator is defined as @math{Txy = yx}.
 
   The Clojure macros @code{->} and @code{->>} (thread left/right) are
diff --git a/src/transform/apply-gen.xsl b/src/transform/apply-gen.xsl
index e7d80be..4308793 100644
--- a/src/transform/apply-gen.xsl
+++ b/src/transform/apply-gen.xsl
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!--
+<!--@comment
   Generate boilerplate for dynamic function applications
 
   Copyright (C) 2014 LoVullo Associates, Inc.
@@ -18,7 +18,9 @@
 
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+-->
 
+<!--
   TODOs:
      - Properly handle arity overloading.
      - Generate functions for partial applications, so long as the target