Remove constraint on Alex 3.0.1, it is only required to make changes …

…to the lexer. Closes #19

README

@@ -32,9 +32,20 @@ UTF8/Unicode version
 Alex 3.0 now supports unicode natively, and has been included as a
 dependency in the cabal file.
 
+Note: The generation of the lexical analyser has been separated out,
+      to remove the install-time dependency on Alex. If any changes
+      need to be made to the lexer, the Lexer.x source lies in
+      src-dev, and the runalex.sh script will invoke Alex with the
+      appropriate directories.
+
+      At the moment (0.5.6), the lexer can only be generated with Alex
+      3.0.1
 
 Changes
 
+0.5.6 Remove constraint on Alex 3.0.1, it is only required to make
+      changes to the lexer. Closes #19
+
 0.5.5 Updated version ranges for GHC 7.6.1, courtesy of @mietek 
       Note: requires alex 3.0.1 for development (not install)
 

language-javascript.cabal

@@ -1,5 +1,5 @@
 Name:                language-javascript
-Version:             0.5.5
+Version:             0.5.6
 Synopsis:            Parser for JavaScript
 Description:         Parses Javascript into an Abstract Syntax Tree (AST).  Initially intended as frontend to hjsmin.
                      .
@@ -39,7 +39,6 @@ Library
                    , bytestring       >= 0.9.1   && < 1
                    , utf8-string      >= 0.3.7   && < 1
   build-tools:       happy >= 1.18.5
-                   , alex == 3.0.1
   hs-source-dirs: src
   Exposed-modules:     Language.JavaScript.Parser
                        Language.JavaScript.Parser.Parser
@@ -79,3 +78,4 @@ Test-Suite test-language-javascript
 source-repository head
   type:     git
   location: git://github.com/alanz/language-javascript.git
+