diff --git a/docs/preamble.ts3 b/docs/preamble.ts3
new file mode 100644
index 0000000000..c8c8300871
--- /dev/null
+++ b/docs/preamble.ts3
@@ -0,0 +1,11 @@
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Preamble for report output
+%
+\documentclass{report}
+\usepackage[html,3,png,sections+]{tex4ht}
+%
+% FPC package
+\usepackage{fpc}
+%
+% End.
+%
\ No newline at end of file
diff --git a/docs/preamble.ts4 b/docs/preamble.ts4
new file mode 100644
index 0000000000..9cc1ee4bfd
--- /dev/null
+++ b/docs/preamble.ts4
@@ -0,0 +1,11 @@
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Preamble for report output
+%
+\documentclass{report}
+\usepackage[html,4,png,sections+]{tex4ht}
+%
+% FPC package
+\usepackage{fpc}
+%
+% End.
+%
\ No newline at end of file