diff --git a/.eslintrc b/.eslintrc
index ea5635e..1366696 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -17,6 +17,7 @@ rules:
   eqeqeq:               2
   guard-for-in:         2
   handle-callback-err:  2
+  key-spacing:          0
   max-depth:            [ 1, 6 ]
   max-nested-callbacks: [ 1, 4 ]
   # string can exceed 80 chars, but should not overflow github website :)
@@ -30,13 +31,14 @@ rules:
   no-eq-null:           2
   no-floating-decimal:  2
   no-lonely-if:         2
+  no-multi-spaces:      0
   no-process-exit:      0
   no-trailing-spaces:   2
   no-underscore-dangle: 0
   quotes:               [ 2, single, avoid-escape ]
   radix:                2
   space-after-keywords: [ 2, always ] # Fixed in master
-  space-in-brackets:    [ 1, always ]
+  space-in-brackets:    [ 1, always, { propertyName: false } ]
 
   # temporary
   no-func-assign:       0
diff --git a/lib/linkifier.js b/lib/linkifier.js
index 19ad529..3880e13 100644
--- a/lib/linkifier.js
+++ b/lib/linkifier.js
@@ -7,7 +7,7 @@ var assign = require('./common/utils').assign;
 var Ruler  = require('./ruler');
 
 
-var rules = [
+var _rules = [
   require('./rules_text/linkify')
 ];
 
@@ -19,8 +19,8 @@ function Linkifier() {
 
   this.ruler = new Ruler(this.rulesUpdate.bind(this));
 
-  for (var i = 0; i < rules.length; i++) {
-    this.ruler.after(rules[i]);
+  for (var i = 0; i < _rules.length; i++) {
+    this.ruler.after(_rules[i]);
   }
 }
 
diff --git a/lib/parser_block.js b/lib/parser_block.js
index d750557..1610d54 100644
--- a/lib/parser_block.js
+++ b/lib/parser_block.js
@@ -8,19 +8,19 @@ var Ruler           = require('./ruler');
 var State           = require('./rules_block/state_block');
 
 
-var rules = [];
+var _rules = [];
 
 // `list` should be after `hr`, but before `heading`
-rules.push([ require('./rules_block/code') ]);
-rules.push([ require('./rules_block/fences'),     'paragraph', 'blockquote', 'list' ]);
-rules.push([ require('./rules_block/blockquote'), 'paragraph', 'blockquote', 'list' ]);
-rules.push([ require('./rules_block/hr'),         'paragraph', 'blockquote', 'list' ]);
-rules.push([ require('./rules_block/list'),       'paragraph', 'blockquote' ]);
-rules.push([ require('./rules_block/heading'),    'paragraph', 'blockquote' ]);
-rules.push([ require('./rules_block/lheading') ]);
-rules.push([ require('./rules_block/htmlblock'),  'paragraph', 'blockquote' ]);
-rules.push([ require('./rules_block/table'),      'paragraph' ]);
-rules.push([ require('./rules_block/paragraph') ]);
+_rules.push([ require('./rules_block/code') ]);
+_rules.push([ require('./rules_block/fences'),     'paragraph', 'blockquote', 'list' ]);
+_rules.push([ require('./rules_block/blockquote'), 'paragraph', 'blockquote', 'list' ]);
+_rules.push([ require('./rules_block/hr'),         'paragraph', 'blockquote', 'list' ]);
+_rules.push([ require('./rules_block/list'),       'paragraph', 'blockquote' ]);
+_rules.push([ require('./rules_block/heading'),    'paragraph', 'blockquote' ]);
+_rules.push([ require('./rules_block/lheading') ]);
+_rules.push([ require('./rules_block/htmlblock'),  'paragraph', 'blockquote' ]);
+_rules.push([ require('./rules_block/table'),      'paragraph' ]);
+_rules.push([ require('./rules_block/paragraph') ]);
 
 
 // Block Parser class
@@ -33,8 +33,8 @@ function ParserBlock() {
 
   this.ruler = new Ruler(this.rulesUpdate.bind(this));
 
-  for (var i = 0; i < rules.length; i++) {
-    this.ruler.after(rules[i][0], rules[i].slice(1));
+  for (var i = 0; i < _rules.length; i++) {
+    this.ruler.after(_rules[i][0], _rules[i].slice(1));
   }
 }
 
diff --git a/lib/parser_inline.js b/lib/parser_inline.js
index 520645f..728a7fc 100644
--- a/lib/parser_inline.js
+++ b/lib/parser_inline.js
@@ -9,22 +9,21 @@ var StateInline = require('./rules_inline/state_inline');
 ////////////////////////////////////////////////////////////////////////////////
 // Parser rules
 
-var rules = [];
-
-
-// Pure text
-rules.push(require('./rules_inline/text'));
-rules.push(require('./rules_inline/newline'));
-rules.push(require('./rules_inline/escape'));
-rules.push(require('./rules_inline/backticks'));
-rules.push(require('./rules_inline/del'));
-rules.push(require('./rules_inline/ins'));
-rules.push(require('./rules_inline/mark'));
-rules.push(require('./rules_inline/emphasis'));
-rules.push(require('./rules_inline/links'));
-rules.push(require('./rules_inline/autolink'));
-rules.push(require('./rules_inline/htmltag'));
-rules.push(require('./rules_inline/entity'));
+var _rules = [];
+
+_rules.push(require('./rules_inline/text'));
+_rules.push(require('./rules_inline/newline'));
+_rules.push(require('./rules_inline/escape'));
+_rules.push(require('./rules_inline/backticks'));
+_rules.push(require('./rules_inline/del'));
+_rules.push(require('./rules_inline/ins'));
+_rules.push(require('./rules_inline/mark'));
+_rules.push(require('./rules_inline/emphasis'));
+_rules.push(require('./rules_inline/links'));
+_rules.push(require('./rules_inline/autolink'));
+_rules.push(require('./rules_inline/htmltag'));
+_rules.push(require('./rules_inline/entity'));
+
 
 var BAD_PROTOCOLS = [ 'vbscript', 'javascript', 'file' ];
 
@@ -58,8 +57,8 @@ function ParserInline() {
 
   this.ruler = new Ruler(this.rulesUpdate.bind(this));
 
-  for (var i = 0; i < rules.length; i++) {
-    this.ruler.after(rules[i]);
+  for (var i = 0; i < _rules.length; i++) {
+    this.ruler.after(_rules[i]);
   }
 }
 
@@ -74,7 +73,6 @@ ParserInline.prototype.rulesUpdate = function () {
 //
 ParserInline.prototype.skipToken = function (state) {
   var i, cached_pos, pos = state.pos,
-      rules = this._rules,
       len = this._rules.length;
 
   if ((cached_pos = state.cacheGet(pos)) > 0) {
@@ -83,7 +81,7 @@ ParserInline.prototype.skipToken = function (state) {
   }
 
   for (i = 0; i < len; i++) {
-    if (rules[i](state, true)) {
+    if (this._rules[i](state, true)) {
       state.cacheSet(pos, state.pos);
       return;
     }
@@ -98,7 +96,6 @@ ParserInline.prototype.skipToken = function (state) {
 //
 ParserInline.prototype.tokenize = function (state) {
   var ok, i,
-      rules = this._rules,
       len = this._rules.length,
       end = state.posMax;
 
@@ -112,7 +109,7 @@ ParserInline.prototype.tokenize = function (state) {
     // - return true
 
     for (i = 0; i < len; i++) {
-      ok = rules[i](state, false);
+      ok = this._rules[i](state, false);
       if (ok) { break; }
     }
 
diff --git a/lib/renderer.js b/lib/renderer.js
index 43342ae..078b45c 100644
--- a/lib/renderer.js
+++ b/lib/renderer.js
@@ -282,13 +282,13 @@ Renderer.prototype.renderInline = function (tokens, options) {
 Renderer.prototype.render = function (tokens, options) {
   var i, len,
       result = '',
-      rules = this.rules;
+      _rules = this.rules;
 
   for (i = 0, len = tokens.length; i < len; i++) {
     if (tokens[i].type === 'inline') {
       result += this.renderInline(tokens[i].children, options);
     } else {
-      result += rules[tokens[i].type](tokens, i, options);
+      result += _rules[tokens[i].type](tokens, i, options);
     }
   }
 
diff --git a/lib/rules_inline/autolink.js b/lib/rules_inline/autolink.js
index caa6ecd..4669d59 100644
--- a/lib/rules_inline/autolink.js
+++ b/lib/rules_inline/autolink.js
@@ -1,5 +1,6 @@
 // Process autolinks '<protocol:...>'
 
+'use strict';
 
 var url_schemas = require('../common/url_schemas');
 
diff --git a/lib/rules_inline/backticks.js b/lib/rules_inline/backticks.js
index f80c1ce..394bfa6 100644
--- a/lib/rules_inline/backticks.js
+++ b/lib/rules_inline/backticks.js
@@ -1,5 +1,7 @@
 // Parse backticks
 
+'use strict';
+
 module.exports = function backticks(state, silent) {
   var start, max, marker, matchStart, matchEnd,
       pos = state.pos,
diff --git a/lib/rules_inline/escape.js b/lib/rules_inline/escape.js
index 40e9249..09dee0b 100644
--- a/lib/rules_inline/escape.js
+++ b/lib/rules_inline/escape.js
@@ -1,5 +1,7 @@
 // Proceess escaped chars and hardbreaks
 
+'use strict';
+
 var ESCAPED = [];
 
 for (var i = 0; i < 256; i++) { ESCAPED.push(0); }
diff --git a/lib/rules_inline/newline.js b/lib/rules_inline/newline.js
index d3188bb..926049b 100644
--- a/lib/rules_inline/newline.js
+++ b/lib/rules_inline/newline.js
@@ -1,5 +1,7 @@
 // Proceess '\n'
 
+'use strict';
+
 module.exports = function newline(state, silent) {
   var pmax, max, pos = state.pos;
 
diff --git a/lib/rules_inline/text.js b/lib/rules_inline/text.js
index 8a60a64..93fe005 100644
--- a/lib/rules_inline/text.js
+++ b/lib/rules_inline/text.js
@@ -1,6 +1,8 @@
 // Skip text characters for text token, place those to pendibg buffer
 // and increment current pos
 
+'use strict';
+
 module.exports = function text(state, silent) {
   var str = state.src.slice(state.pos),
       next = str.search(state.parser.textMatch);
diff --git a/lib/typographer.js b/lib/typographer.js
index 825279f..2166ae0 100644
--- a/lib/typographer.js
+++ b/lib/typographer.js
@@ -11,7 +11,7 @@ var assign   = require('./common/utils').assign;
 var Ruler    = require('./ruler');
 
 
-var rules = [
+var _rules = [
   require('./rules_text/replace'),
   require('./rules_text/smartquotes')
 ];
@@ -24,8 +24,8 @@ function Typographer() {
 
   this.ruler = new Ruler(this.rulesUpdate.bind(this));
 
-  for (var i = 0; i < rules.length; i++) {
-    this.ruler.after(rules[i]);
+  for (var i = 0; i < _rules.length; i++) {
+    this.ruler.after(_rules[i]);
   }
 }
 
diff --git a/package.json b/package.json
index 6c69543..40481b4 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "autoprefixer-stylus": "^0.3.0",
     "benchmark": "^1.0.0",
     "browserify": "*",
-    "eslint": "0.8.0",
+    "eslint": "0.9.1",
     "eslint-plugin-nodeca": "^1.0.0",
     "istanbul": "*",
     "jade": "^1.6.0",