diff --git a/README.md b/README.md
index 5e2fe05..4967f18 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ Make sure you install *fontforge* with either the latest version of the one in t
 ### Build from srouce
 
 #### Dependency
-----------------------------
+
 * CMake 
 * compilers support C++11
 * libpoppler with xpdf header >= 0.20.2
@@ -50,11 +50,11 @@ Make sure you install *fontforge* with either the latest version of the one in t
 * fontforge **Please use [the lastest version](https://github.com/fontforge/fontforge)**
 
 #### Compiling
-----------------------------
+
     cmake . && make && sudo make install
 
 ## Usage
-----------------------------
+
     pdf2htmlEX /path/to/foobar.pdf
 
     pdf2htmlEX --help
diff --git a/TODO b/TODO
new file mode 100644
index 0000000..264ea9f
--- /dev/null
+++ b/TODO
@@ -0,0 +1,19 @@
+z-index for space span
+fake space detection
+manpage
+
+option to break ligatures
+check if we can add information to the font, and let browsers show ligatures automatically
+
+use absolute positioning for long whitespace
+solution/workaround for latex math fonts
+
+wiki page
+- why the html looks ugly : use a modern web browser, use Linux/Mac, (enabling ClearType for Windows XP)
+- why got incorrect text after copy&paste : try ligature or always-apply-unicode
+- why text are so small : set --zoom or zoom in the page
+- why images are blurred : set higher dpi
+
+custom html/css
+native support for image
+native support for draw
diff --git a/src/pdf2htmlEX.cc b/src/pdf2htmlEX.cc
index 37b6efb..6a41f5f 100644
--- a/src/pdf2htmlEX.cc
+++ b/src/pdf2htmlEX.cc
@@ -1,9 +1,7 @@
-//========================================================================
 // pdftohtmlEX.cc
 //
-// Copyright (C) 2011 by Hongliang TIAN(tatetian@gmail.com)
-// Copyright (C) 2012 by Lu Wang coolwanglu<at>gmail.com
-//========================================================================
+// Copyright (C) 2012 Lu Wang coolwanglu<at>gmail.com
+
 #include <cstdio>
 #include <cstdlib>
 #include <cstddef>
@@ -50,7 +48,6 @@ void show_usage(void)
 {
     cerr << "pdftohtmlEX version " << PDF2HTMLEX_VERSION << endl;
     cerr << endl;
-    cerr << "Copyright 2011 Hongliang Tian (tatetian@gmail.com)" << endl;
     cerr << "Copyright 2012 Lu Wang (coolwanglu<at>gmail.com)" << endl;
     cerr << endl;
     cerr << "Usage: pdf2htmlEX [Options] <PDF-file>" << endl;