From a857a9eff6ce6a09eaba2d219fc615f3d0edbeba Mon Sep 17 00:00:00 2001
From: Jakub Pawlowicz <contact@jakubpawlowicz.com>
Date: Tue, 10 Jan 2017 12:11:22 +0100
Subject: [PATCH] Adds examples of `all` keyword in level 1/2 optimizations.

Why:

* So the option is documented properly.
---
 README.md    | 22 ++++++++++++++++++++++
 bin/cleancss |  2 ++
 2 files changed, 24 insertions(+)

diff --git a/README.md b/README.md
index 729c8838..4cfed0d9 100644
--- a/README.md
+++ b/README.md
@@ -120,6 +120,7 @@ Level 1 optimizations (default):
 ```bash
 cleancss -O1 one.css
 cleancss -O1 removeQuotes:off;roundingPrecision:4;specialComments:1 one.css
+cleancss -O1 all:off;specialComments:1 one.css
 # `cleanupCharsets` controls `@charset` moving to the front of a stylesheet; defaults to `on`
 # `normalizeUrls` controls URL normalzation; default to `on`
 # `optimizeBackground` controls `background` property optimizatons; defaults to `on`
@@ -146,6 +147,7 @@ Level 2 optimizations:
 ```bash
 cleancss -O2 one.css
 cleancss -O2 mediaMerging:off;restructuring:off;semanticMerging:on;shorthandCompacting:off one.css
+cleancss -O2 all:off;duplicateRulesRemoving:on one.css
 # `adjacentRulesMerging` controls adjacent rules merging; defaults to `on`
 # `duplicateFontRulesRemoving` controls duplicate `@font-face` removing; defaults to `on`
 # `duplicateMediaRemoving` controls duplicate `@media` removing; defaults to `on`
@@ -227,6 +229,16 @@ new CleanCSS({
     }
   }
 });
+
+// level 1 optimizations `all` keyword
+new CleanCSS({
+  level: {
+    1: {
+      all: false // sets all values to `false`
+      tidySelectors: true // turns on optimizing selectors
+    }
+  }
+});
 ```
 
 ```js
@@ -247,6 +259,16 @@ new CleanCSS({
     }
   }
 });
+
+// level 2 optimizations `all` keyword
+new CleanCSS({
+  level: {
+    1: {
+      all: false // sets all values to `false`
+      duplicateRulesRemoving: true // turns on removing duplicate rules
+    }
+  }
+});
 ```
 
 #### How to make sure remote `@import`s are processed correctly?
diff --git a/bin/cleancss b/bin/cleancss
index 645fac3d..464c9ebc 100755
--- a/bin/cleancss
+++ b/bin/cleancss
@@ -39,6 +39,7 @@ commands.on('--help', function () {
   console.log('  Level 1 optimizations:');
   console.log('    %> cleancss -O1 one.css');
   console.log('    %> cleancss -O1 removeQuotes:off;roundingPrecision:4;specialComments:1 one.css');
+  console.log('    %> cleancss -O1 all:off;specialComments:1 one.css');
   console.log('    %> # `cleanupCharsets` controls `@charset` moving to the front of a stylesheet; defaults to `on`');
   console.log('    %> # `normalizeUrls` controls URL normalzation; default to `on`');
   console.log('    %> # `optimizeBackground` controls `background` property optimizatons; defaults to `on`');
@@ -62,6 +63,7 @@ commands.on('--help', function () {
   console.log('  Level 2 optimizations:');
   console.log('    %> cleancss -O2 one.css');
   console.log('    %> cleancss -O2 mediaMerging:off;restructuring:off;semanticMerging:on;shorthandCompacting:off one.css');
+  console.log('    %> cleancss -O2 all:off;duplicateRulesRemoving:on one.css');
   console.log('    %> # `adjacentRulesMerging` controls adjacent rules merging; defaults to `on`');
   console.log('    %> # `duplicateFontRulesRemoving` controls duplicate `@font-face` removing; defaults to `on`');
   console.log('    %> # `duplicateMediaRemoving` controls duplicate `@media` removing; defaults to `on`');
-- 
2.34.1