Add an option for dumping a single table

README.md

@@ -1,4 +1,4 @@
-# TrueType font parser.
+# TrueType font parser
 
 Fountainhead is a TrueType and OpenType font parser. Its main
 purpose is to extract information from the fonts to help to
@@ -10,24 +10,27 @@ There is also an executable to dump fonts.
 ## Installation
 
 Add the library as dependency to your project.
-Alternatively build and run the executable with:
+Alternatively build an executable with:
 
 ```sh
 cabal build
 ```
 
-The binary can be executed with:
+The binary can be run with:
 
 ```sh
-cabal run fountainhead --
+cabal run fountainhead -- myfont.ttf
 ```
 
 or installed locally and executed just as:
 
 ```sh
-fountainhead
+fountainhead myfont.ttf
 ```
 
+This command will output the contents of the font in a format similar to
+ttfdump from TeXLive.
+
 See
 
 ```sh