diff --git a/demo/demo.js b/demo/demo.js
index 9c64de10..2445c99f 100644
--- a/demo/demo.js
+++ b/demo/demo.js
@@ -59,6 +59,7 @@ exports.launch = function(env) {
     var CCPPMode = require("ace/mode/c_cpp").Mode;
     var CoffeeMode = require("ace/mode/coffee").Mode;
     var PerlMode = require("ace/mode/perl").Mode;
+    var OcamlMode = require("ace/mode/ocaml").Mode;
     var SvgMode = require("ace/mode/svg").Mode;
     var TextileMode = require("ace/mode/textile").Mode;
     var TextMode = require("ace/mode/text").Mode;
@@ -136,6 +137,10 @@ exports.launch = function(env) {
     docs.perl.setMode(new PerlMode());
     docs.perl.setUndoManager(new UndoManager());
 
+    docs.ocaml = new EditSession(document.getElementById("ocamltext").innerHTML);
+    docs.ocaml.setMode(new OcamlMode());
+    docs.ocaml.setUndoManager(new UndoManager());
+
     docs.svg = new EditSession(document.getElementById("svgtext").innerHTML.replace("&lt;", "<"));
     docs.svg.setMode(new SvgMode());
     docs.svg.setUndoManager(new UndoManager());
@@ -162,6 +167,7 @@ exports.launch = function(env) {
         c_cpp: new CCPPMode(),
         coffee: new CoffeeMode(),
         perl: new PerlMode(),
+        ocaml: new OcamlMode(),
         csharp: new CSharpMode()
     };
 
@@ -210,6 +216,9 @@ exports.launch = function(env) {
         else if (mode instanceof PerlMode) {
             modeEl.value = "perl";
         }
+        else if (mode instanceof OcamlMode) {
+            modeEl.value = "ocaml";
+        }
         else if (mode instanceof CSharpMode) {
             modeEl.value = "csharp";
         }
@@ -373,6 +382,8 @@ exports.launch = function(env) {
                     mode = "coffee";
                 } else if (/^.*\.(pl|pm)$/i.test(file.name)) {
                     mode = "perl";
+                } else if (/^.*\.(ml|mli)$/i.test(file.name)) {
+                    mode = "ocaml";
                 }
 
                 env.editor.onTextInput(reader.result);
diff --git a/index.html b/index.html
index c79abe0f..8c369457 100644
--- a/index.html
+++ b/index.html
@@ -26,6 +26,7 @@
           <option value="csharp">C# Document</option>
           <option value="c_cpp">C++ Document</option>
           <option value="svg">SVG Document</option>
+          <option value="ocaml">OCaml Document</option>
           <option value="textile">Textile Document</option>
           <option value="plain">Text Document</option>
         </select>
@@ -99,6 +100,7 @@
           <option value="c_cpp">C/C++</option>
           <option value="coffee">CoffeeScript</option>
           <option value="perl">Perl</option>
+          <option value="ocaml">OCaml</option>
           <option value="csharp">C-Sharp</option>
           <option value="svg">SVG</option>
           <option value="textile">Textile</option>
@@ -335,6 +337,26 @@ print "\n";
 
 </script>
 
+<script type="text/editor" id="ocamltext">(*
+ * Example of early return implementation taken from
+ * http://ocaml.janestreet.com/?q=node/91
+ *)
+
+let with_return (type t) (f : _ -> t) =
+  let module M =
+     struct exception Return of t end
+  in
+  let return = { return = (fun x -> raise (M.Return x)); } in
+  try f return with M.Return x -> x
+
+
+(* Function that uses the 'early return' functionality provided by `with_return` *)
+let sum_until_first_negative list =
+  with_return (fun r ->
+    List.fold list ~init:0 ~f:(fun acc x ->
+      if x >= 0 then acc + x else r.return acc))
+</script>
+
 <script type="text/editor" id="svgtext"><svg
   width="800" height="600"
   xmlns="http://www.w3.org/2000/svg"
diff --git a/lib/ace/mode/ocaml.js b/lib/ace/mode/ocaml.js
new file mode 100644
index 00000000..cb6f5f34
--- /dev/null
+++ b/lib/ace/mode/ocaml.js
@@ -0,0 +1,102 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Ajax.org Code Editor (ACE).
+ *
+ * The Initial Developer of the Original Code is
+ * Ajax.org B.V.
+ * Portions created by the Initial Developer are Copyright (C) 2010
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *      Sergi Mansilla <sergi AT ajax DOT org>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+define(function(require, exports, module) {
+
+var oop = require("pilot/oop");
+var TextMode = require("ace/mode/text").Mode;
+var Tokenizer = require("ace/tokenizer").Tokenizer;
+var OcamlHighlightRules = require("ace/mode/ocaml_highlight_rules").OcamlHighlightRules;
+var MatchingBraceOutdent = require("ace/mode/matching_brace_outdent").MatchingBraceOutdent;
+var Range = require("ace/range").Range;
+
+var Mode = function() {
+    this.$tokenizer = new Tokenizer(new OcamlHighlightRules().getRules());
+    this.$outdent   = new MatchingBraceOutdent();
+};
+oop.inherits(Mode, TextMode);
+
+var indenter = /(?:[({[=:]|[-=]>|\b(?:else|try|with(?:\s*[$A-Za-z_\x7f-\uffff][$\w\x7f-\uffff]*)?))\s*$/;
+
+(function() {
+
+    this.toggleCommentLines = function(state, doc, startRow, endRow) {
+        var i, line;
+        var outdent = true;
+        var re = /^\s*\(\*(.*)\*\)/;
+
+        for (i=startRow; i<= endRow; i++) {
+            if (!re.test(doc.getLine(i))) {
+                outdent = false;
+                break;
+            }
+        }
+
+        var range = new Range(0, 0, 0, 0);
+        for (i=startRow; i<= endRow; i++) {
+            line = doc.getLine(i);
+            range.start.row  = i;
+            range.end.row    = i;
+            range.end.column = line.length;
+
+            doc.replace(range, outdent ? line.match(re)[1] : "(*" + line + "*)");
+        }
+    };
+
+    this.getNextLineIndent = function(state, line, tab) {
+        var indent = this.$getIndent(line);
+        var tokens = this.$tokenizer.getLineTokens(line, state).tokens;
+
+        if (!(tokens.length && tokens[tokens.length - 1].type === 'comment') &&
+            state === 'start' && indenter.test(line))
+            indent += tab;
+        return indent;
+    };
+
+    this.checkOutdent = function(state, line, input) {
+        return this.$outdent.checkOutdent(line, input);
+    };
+
+    this.autoOutdent = function(state, doc, row) {
+        this.$outdent.autoOutdent(doc, row);
+    };
+
+}).call(Mode.prototype);
+
+exports.Mode = Mode;
+});
+
diff --git a/lib/ace/mode/ocaml_highlight_rules.js b/lib/ace/mode/ocaml_highlight_rules.js
new file mode 100644
index 00000000..209fe0eb
--- /dev/null
+++ b/lib/ace/mode/ocaml_highlight_rules.js
@@ -0,0 +1,351 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Ajax.org Code Editor (ACE).
+ *
+ * The Initial Developer of the Original Code is
+ * Ajax.org B.V.
+ * Portions created by the Initial Developer are Copyright (C) 2010
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *      Sergi Mansilla <sergi AT ajax DOT org>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK *****
+ *
+ */
+
+define(function(require, exports, module) {
+
+var oop = require("pilot/oop");
+var lang = require("pilot/lang");
+var TextHighlightRules = require("ace/mode/text_highlight_rules").TextHighlightRules;
+
+var OcamlHighlightRules = function() {
+
+    var keywords = lang.arrayToMap((
+        "and|as|assert|begin|class|constraint|do|done|downto|else|end|"  +
+        "exception|external|for|fun|function|functor|if|in|include|"     +
+        "inherit|initializer|lazy|let|match|method|module|mutable|new|"  +
+        "object|of|open|or|private|rec|sig|struct|then|to|try|type|val|" +
+        "virtual|when|while|with").split("|")
+    );
+
+    var builtinConstants = lang.arrayToMap(
+        ("true|false").split("|")
+    );
+
+    var builtinFunctions = lang.arrayToMap((
+        "abs|abs_big_int|abs_float|abs_num|abstract_tag|accept|access|acos|add|" +
+        "add_available_units|add_big_int|add_buffer|add_channel|add_char|" +
+        "add_initializer|add_int_big_int|add_interfaces|add_num|add_string|" +
+        "add_substitute|add_substring|alarm|allocated_bytes|allow_only|" +
+        "allow_unsafe_modules|always|append|appname_get|appname_set|" +
+        "approx_num_exp|approx_num_fix|arg|argv|arith_status|array|" +
+        "array1_of_genarray|array2_of_genarray|array3_of_genarray|asin|asr|" +
+        "assoc|assq|at_exit|atan|atan2|auto_synchronize|background|basename|" +
+        "beginning_of_input|big_int_of_int|big_int_of_num|big_int_of_string|bind|" +
+        "bind_class|bind_tag|bits|bits_of_float|black|blit|blit_image|blue|bool|" +
+        "bool_of_string|bounded_full_split|bounded_split|bounded_split_delim|" +
+        "bprintf|break|broadcast|bscanf|button_down|c_layout|capitalize|cardinal|" +
+        "cardinal|catch|catch_break|ceil|ceiling_num|channel|char|char_of_int|" +
+        "chdir|check|check_suffix|chmod|choose|chop_extension|chop_suffix|chown|" +
+        "chown|chr|chroot|classify_float|clear|clear_available_units|" +
+        "clear_close_on_exec|clear_graph|clear_nonblock|clear_parser|" +
+        "close|close|closeTk|close_box|close_graph|close_in|close_in_noerr|" +
+        "close_out|close_out_noerr|close_process|close_process|" +
+        "close_process_full|close_process_in|close_process_out|close_subwindow|" +
+        "close_tag|close_tbox|closedir|closedir|closure_tag|code|combine|" +
+        "combine|combine|command|compact|compare|compare_big_int|compare_num|" +
+        "complex32|complex64|concat|conj|connect|contains|contains_from|contents|" +
+        "copy|cos|cosh|count|count|counters|create|create_alarm|create_image|" +
+        "create_matrix|create_matrix|create_matrix|create_object|" +
+        "create_object_and_run_initializers|create_object_opt|create_process|" +
+        "create_process|create_process_env|create_process_env|create_table|" +
+        "current|current_dir_name|current_point|current_x|current_y|curveto|" +
+        "custom_tag|cyan|data_size|decr|decr_num|default_available_units|delay|" +
+        "delete_alarm|descr_of_in_channel|descr_of_out_channel|destroy|diff|dim|" +
+        "dim1|dim2|dim3|dims|dirname|display_mode|div|div_big_int|div_num|" +
+        "double_array_tag|double_tag|draw_arc|draw_char|draw_circle|draw_ellipse|" +
+        "draw_image|draw_poly|draw_poly_line|draw_rect|draw_segments|draw_string|" +
+        "dummy_pos|dummy_table|dump_image|dup|dup2|elements|empty|end_of_input|" +
+        "environment|eprintf|epsilon_float|eq_big_int|eq_num|equal|err_formatter|" +
+        "error_message|escaped|establish_server|executable_name|execv|execve|execvp|" +
+        "execvpe|exists|exists2|exit|exp|failwith|fast_sort|fchmod|fchown|field|" +
+        "file|file_exists|fill|fill_arc|fill_circle|fill_ellipse|fill_poly|fill_rect|" +
+        "filter|final_tag|finalise|find|find_all|first_chars|firstkey|flatten|" +
+        "float|float32|float64|float_of_big_int|float_of_bits|float_of_int|" +
+        "float_of_num|float_of_string|floor|floor_num|flush|flush_all|flush_input|" +
+        "flush_str_formatter|fold|fold_left|fold_left2|fold_right|fold_right2|" +
+        "for_all|for_all2|force|force_newline|force_val|foreground|fork|" +
+        "format_of_string|formatter_of_buffer|formatter_of_out_channel|" +
+        "fortran_layout|forward_tag|fprintf|frexp|from|from_channel|from_file|" +
+        "from_file_bin|from_function|from_string|fscanf|fst|fstat|ftruncate|" +
+        "full_init|full_major|full_split|gcd_big_int|ge_big_int|ge_num|" +
+        "genarray_of_array1|genarray_of_array2|genarray_of_array3|get|" +
+        "get_all_formatter_output_functions|get_approx_printing|get_copy|" +
+        "get_ellipsis_text|get_error_when_null_denominator|get_floating_precision|" +
+        "get_formatter_output_functions|get_formatter_tag_functions|get_image|" +
+        "get_margin|get_mark_tags|get_max_boxes|get_max_indent|get_method|" +
+        "get_method_label|get_normalize_ratio|get_normalize_ratio_when_printing|" +
+        "get_print_tags|get_state|get_variable|getcwd|getegid|getegid|getenv|" +
+        "getenv|getenv|geteuid|geteuid|getgid|getgid|getgrgid|getgrgid|getgrnam|" +
+        "getgrnam|getgroups|gethostbyaddr|gethostbyname|gethostname|getitimer|" +
+        "getlogin|getpeername|getpid|getppid|getprotobyname|getprotobynumber|" +
+        "getpwnam|getpwuid|getservbyname|getservbyport|getsockname|getsockopt|" +
+        "getsockopt_float|getsockopt_int|getsockopt_optint|gettimeofday|getuid|" +
+        "global_replace|global_substitute|gmtime|green|grid|group_beginning|" +
+        "group_end|gt_big_int|gt_num|guard|handle_unix_error|hash|hash_param|" +
+        "hd|header_size|i|id|ignore|in_channel_length|in_channel_of_descr|incr|" +
+        "incr_num|index|index_from|inet_addr_any|inet_addr_of_string|infinity|" +
+        "infix_tag|init|init_class|input|input_binary_int|input_byte|input_char|" +
+        "input_line|input_value|int|int16_signed|int16_unsigned|int32|int64|" +
+        "int8_signed|int8_unsigned|int_of_big_int|int_of_char|int_of_float|" +
+        "int_of_num|int_of_string|integer_num|inter|interactive|inv|invalid_arg|" +
+        "is_block|is_empty|is_implicit|is_int|is_int_big_int|is_integer_num|" +
+        "is_relative|iter|iter2|iteri|join|junk|key_pressed|kill|kind|kprintf|" +
+        "kscanf|land|last_chars|layout|lazy_from_fun|lazy_from_val|lazy_is_val|" +
+        "lazy_tag|ldexp|le_big_int|le_num|length|lexeme|lexeme_char|lexeme_end|" +
+        "lexeme_end_p|lexeme_start|lexeme_start_p|lineto|link|list|listen|lnot|" +
+        "loadfile|loadfile_private|localtime|lock|lockf|log|log10|logand|lognot|" +
+        "logor|logxor|lor|lower_window|lowercase|lseek|lsl|lsr|lstat|lt_big_int|" +
+        "lt_num|lxor|magenta|magic|mainLoop|major|major_slice|make|make_formatter|" +
+        "make_image|make_lexer|make_matrix|make_self_init|map|map2|map_file|mapi|" +
+        "marshal|match_beginning|match_end|matched_group|matched_string|max|" +
+        "max_array_length|max_big_int|max_elt|max_float|max_int|max_num|" +
+        "max_string_length|mem|mem_assoc|mem_assq|memq|merge|min|min_big_int|" +
+        "min_elt|min_float|min_int|min_num|minor|minus_big_int|minus_num|" +
+        "minus_one|mkdir|mkfifo|mktime|mod|mod_big_int|mod_float|mod_num|modf|" +
+        "mouse_pos|moveto|mul|mult_big_int|mult_int_big_int|mult_num|nan|narrow|" +
+        "nat_of_num|nativeint|neg|neg_infinity|new_block|new_channel|new_method|" +
+        "new_variable|next|nextkey|nice|nice|no_scan_tag|norm|norm2|not|npeek|" +
+        "nth|nth_dim|num_digits_big_int|num_dims|num_of_big_int|num_of_int|" +
+        "num_of_nat|num_of_ratio|num_of_string|O|obj|object_tag|ocaml_version|" +
+        "of_array|of_channel|of_float|of_int|of_int32|of_list|of_nativeint|" +
+        "of_string|one|openTk|open_box|open_connection|open_graph|open_hbox|" +
+        "open_hovbox|open_hvbox|open_in|open_in_bin|open_in_gen|open_out|" +
+        "open_out_bin|open_out_gen|open_process|open_process_full|open_process_in|" +
+        "open_process_out|open_subwindow|open_tag|open_tbox|open_temp_file|" +
+        "open_vbox|opendbm|opendir|openfile|or|os_type|out_channel_length|" +
+        "out_channel_of_descr|output|output_binary_int|output_buffer|output_byte|" +
+        "output_char|output_string|output_value|over_max_boxes|pack|params|" +
+        "parent_dir_name|parse|parse_argv|partition|pause|peek|pipe|pixels|" +
+        "place|plot|plots|point_color|polar|poll|pop|pos_in|pos_out|pow|" +
+        "power_big_int_positive_big_int|power_big_int_positive_int|" +
+        "power_int_positive_big_int|power_int_positive_int|power_num|" +
+        "pp_close_box|pp_close_tag|pp_close_tbox|pp_force_newline|" +
+        "pp_get_all_formatter_output_functions|pp_get_ellipsis_text|" +
+        "pp_get_formatter_output_functions|pp_get_formatter_tag_functions|" +
+        "pp_get_margin|pp_get_mark_tags|pp_get_max_boxes|pp_get_max_indent|" +
+        "pp_get_print_tags|pp_open_box|pp_open_hbox|pp_open_hovbox|pp_open_hvbox|" +
+        "pp_open_tag|pp_open_tbox|pp_open_vbox|pp_over_max_boxes|pp_print_as|" +
+        "pp_print_bool|pp_print_break|pp_print_char|pp_print_cut|pp_print_float|" +
+        "pp_print_flush|pp_print_if_newline|pp_print_int|pp_print_newline|" +
+        "pp_print_space|pp_print_string|pp_print_tab|pp_print_tbreak|" +
+        "pp_set_all_formatter_output_functions|pp_set_ellipsis_text|" +
+        "pp_set_formatter_out_channel|pp_set_formatter_output_functions|" +
+        "pp_set_formatter_tag_functions|pp_set_margin|pp_set_mark_tags|" +
+        "pp_set_max_boxes|pp_set_max_indent|pp_set_print_tags|pp_set_tab|" +
+        "pp_set_tags|pred|pred_big_int|pred_num|prerr_char|prerr_endline|" +
+        "prerr_float|prerr_int|prerr_newline|prerr_string|print|print_as|" +
+        "print_bool|print_break|print_char|print_cut|print_endline|print_float|" +
+        "print_flush|print_if_newline|print_int|print_newline|print_space|" +
+        "print_stat|print_string|print_tab|print_tbreak|printf|prohibit|" +
+        "public_method_label|push|putenv|quo_num|quomod_big_int|quote|raise|" +
+        "raise_window|ratio_of_num|rcontains_from|read|read_float|read_int|" +
+        "read_key|read_line|readdir|readdir|readlink|really_input|receive|recv|" +
+        "recvfrom|red|ref|regexp|regexp_case_fold|regexp_string|" +
+        "regexp_string_case_fold|register|register_exception|rem|remember_mode|" +
+        "remove|remove_assoc|remove_assq|rename|replace|replace_first|" +
+        "replace_matched|repr|reset|reshape|reshape_1|reshape_2|reshape_3|rev|" +
+        "rev_append|rev_map|rev_map2|rewinddir|rgb|rhs_end|rhs_end_pos|rhs_start|" +
+        "rhs_start_pos|rindex|rindex_from|rlineto|rmdir|rmoveto|round_num|" +
+        "run_initializers|run_initializers_opt|scanf|search_backward|" +
+        "search_forward|seek_in|seek_out|select|self|self_init|send|sendto|set|" +
+        "set_all_formatter_output_functions|set_approx_printing|" +
+        "set_binary_mode_in|set_binary_mode_out|set_close_on_exec|" +
+        "set_close_on_exec|set_color|set_ellipsis_text|" +
+        "set_error_when_null_denominator|set_field|set_floating_precision|" +
+        "set_font|set_formatter_out_channel|set_formatter_output_functions|" +
+        "set_formatter_tag_functions|set_line_width|set_margin|set_mark_tags|" +
+        "set_max_boxes|set_max_indent|set_method|set_nonblock|set_nonblock|" +
+        "set_normalize_ratio|set_normalize_ratio_when_printing|set_print_tags|" +
+        "set_signal|set_state|set_tab|set_tag|set_tags|set_text_size|" +
+        "set_window_title|setgid|setgid|setitimer|setitimer|setsid|setsid|" +
+        "setsockopt|setsockopt|setsockopt_float|setsockopt_float|setsockopt_int|" +
+        "setsockopt_int|setsockopt_optint|setsockopt_optint|setuid|setuid|" +
+        "shift_left|shift_left|shift_left|shift_right|shift_right|shift_right|" +
+        "shift_right_logical|shift_right_logical|shift_right_logical|show_buckets|" +
+        "shutdown|shutdown|shutdown_connection|shutdown_connection|sigabrt|" +
+        "sigalrm|sigchld|sigcont|sigfpe|sighup|sigill|sigint|sigkill|sign_big_int|" +
+        "sign_num|signal|signal|sigpending|sigpending|sigpipe|sigprocmask|" +
+        "sigprocmask|sigprof|sigquit|sigsegv|sigstop|sigsuspend|sigsuspend|" +
+        "sigterm|sigtstp|sigttin|sigttou|sigusr1|sigusr2|sigvtalrm|sin|singleton|" +
+        "sinh|size|size|size_x|size_y|sleep|sleep|sleep|slice_left|slice_left|" +
+        "slice_left_1|slice_left_2|slice_right|slice_right|slice_right_1|" +
+        "slice_right_2|snd|socket|socket|socket|socketpair|socketpair|sort|sound|" +
+        "split|split_delim|sprintf|sprintf|sqrt|sqrt|sqrt_big_int|square_big_int|" +
+        "square_num|sscanf|stable_sort|stable_sort|stable_sort|stable_sort|stable_sort|" +
+        "stable_sort|stat|stat|stat|stat|stat|stats|stats|std_formatter|stdbuf|" +
+        "stderr|stderr|stderr|stdib|stdin|stdin|stdin|stdout|stdout|stdout|" +
+        "str_formatter|string|string_after|string_before|string_match|" +
+        "string_of_big_int|string_of_bool|string_of_float|string_of_format|" +
+        "string_of_inet_addr|string_of_inet_addr|string_of_int|string_of_num|" +
+        "string_partial_match|string_tag|sub|sub|sub_big_int|sub_left|sub_num|" +
+        "sub_right|subset|subset|substitute_first|substring|succ|succ|" +
+        "succ|succ|succ_big_int|succ_num|symbol_end|symbol_end_pos|symbol_start|" +
+        "symbol_start_pos|symlink|symlink|sync|synchronize|system|system|system|" +
+        "tag|take|tan|tanh|tcdrain|tcdrain|tcflow|tcflow|tcflush|tcflush|" +
+        "tcgetattr|tcgetattr|tcsendbreak|tcsendbreak|tcsetattr|tcsetattr|" +
+        "temp_file|text_size|time|time|time|timed_read|timed_write|times|times|" +
+        "tl|tl|tl|to_buffer|to_channel|to_float|to_hex|to_int|to_int32|to_list|" +
+        "to_list|to_list|to_nativeint|to_string|to_string|to_string|to_string|" +
+        "to_string|top|top|total_size|transfer|transp|truncate|truncate|truncate|" +
+        "truncate|truncate|truncate|try_lock|umask|umask|uncapitalize|uncapitalize|" +
+        "uncapitalize|union|union|unit_big_int|unlink|unlink|unlock|unmarshal|" +
+        "unsafe_blit|unsafe_fill|unsafe_get|unsafe_get|unsafe_set|unsafe_set|" +
+        "update|uppercase|uppercase|uppercase|uppercase|usage|utimes|utimes|wait|" +
+        "wait|wait|wait|wait_next_event|wait_pid|wait_read|wait_signal|" +
+        "wait_timed_read|wait_timed_write|wait_write|waitpid|white|" +
+        "widen|window_id|word_size|wrap|wrap_abort|write|yellow|yield|zero|zero_big_int|" +
+
+        "Arg|Arith_status|Array|Array1|Array2|Array3|ArrayLabels|Big_int|Bigarray|" +
+        "Buffer|Callback|CamlinternalOO|Char|Complex|Condition|Dbm|Digest|Dynlink|" +
+        "Event|Filename|Format|Gc|Genarray|Genlex|Graphics|GraphicsX11|Hashtbl|" +
+        "Int32|Int64|LargeFile|Lazy|Lexing|List|ListLabels|Make|Map|Marshal|" +
+        "MoreLabels|Mutex|Nativeint|Num|Obj|Oo|Parsing|Pervasives|Printexc|" +
+        "Printf|Queue|Random|Scanf|Scanning|Set|Sort|Stack|State|StdLabels|Str|" +
+        "Stream|String|StringLabels|Sys|Thread|ThreadUnix|Tk|Unix|UnixLabels|Weak")
+
+        .split("|"));
+
+    var decimalInteger = "(?:(?:[1-9]\\d*)|(?:0))";
+    var octInteger = "(?:0[oO]?[0-7]+)";
+    var hexInteger = "(?:0[xX][\\dA-Fa-f]+)";
+    var binInteger = "(?:0[bB][01]+)";
+    var integer = "(?:" + decimalInteger + "|" + octInteger + "|" + hexInteger + "|" + binInteger + ")";
+
+    var exponent = "(?:[eE][+-]?\\d+)";
+    var fraction = "(?:\\.\\d+)";
+    var intPart = "(?:\\d+)";
+    var pointFloat = "(?:(?:" + intPart + "?" + fraction + ")|(?:" + intPart + "\\.))";
+    var exponentFloat = "(?:(?:" + pointFloat + "|" +  intPart + ")" + exponent + ")";
+    var floatNumber = "(?:" + exponentFloat + "|" + pointFloat + ")";
+
+    this.$rules = {
+        "start" : [
+            {
+                token : "comment",
+                regex : '\\(\\*.*?\\*\\)\\s*?$'
+            },
+            {
+                token : "comment",
+                regex : '\\(\\*.*',
+                next : "comment"
+            },
+            {
+                token : "string", // single line
+                regex : '["](?:(?:\\\\.)|(?:[^"\\\\]))*?["]'
+            },
+            {
+                token : "string", // single char
+                regex : "'.'"
+            },
+            {
+                token : "string", // " string
+                regex : '"',
+                next  : "qstring"
+            },
+            {
+                token : "constant.numeric", // imaginary
+                regex : "(?:" + floatNumber + "|\\d+)[jJ]\\b"
+            },
+            {
+                token : "constant.numeric", // float
+                regex : floatNumber
+            },
+            {
+                token : "constant.numeric", // integer
+                regex : integer + "\\b"
+            },
+            {
+                token : function(value) {
+                    if (keywords.hasOwnProperty(value))
+                        return "keyword";
+                    else if (builtinConstants.hasOwnProperty(value))
+                        return "constant.language";
+                    else if (builtinFunctions.hasOwnProperty(value))
+                        return "support.function";
+                    else
+                        return "identifier";
+                },
+                regex : "[a-zA-Z_$][a-zA-Z0-9_$]*\\b"
+            },
+            {
+                token : "keyword.operator",
+                regex : "\\+\\.|\\-\\.|\\*\\.|\\/\\.|#|;;|\\+|\\-|\\*|\\*\\*\\/|\\/\\/|%|<<|>>|&|\\||\\^|~|<|>|<=|=>|==|!=|<>|<-|="
+            },
+            {
+                token : "lparen",
+                regex : "[[({]"
+            },
+            {
+                token : "rparen",
+                regex : "[\\])}]"
+            },
+            {
+                token : "text",
+                regex : "\\s+"
+            }
+        ],
+        "comment" : [
+            {
+                token : "comment", // closing comment
+                regex : ".*?\\*\\)",
+                next : "start"
+            },
+            {
+                token : "comment", // comment spanning whole line
+                regex : ".+"
+            }
+        ],
+
+        "qstring" : [
+            {
+                token : "string",
+                regex : '"',
+                next : "start"
+            }, {
+                token : "string",
+                regex : '.+'
+            }
+        ]
+    };
+};
+
+oop.inherits(OcamlHighlightRules, TextHighlightRules);
+
+exports.OcamlHighlightRules = OcamlHighlightRules;
+});