[Blueprint] Make the primary blueprint mixins easier to use by allowing them to be nested when passing true as the first argument.

The old approach of passing a selector as the first argument is now deprecated in favor of a simple flag to indicate nesting or not.

frameworks/blueprint/stylesheets/blueprint/_ie.sass

@@ -1,24 +1,30 @@
 // The blueprint IE mixins should be mixed into a stylesheet that gets conditionally included
 // into IE like so:
-// <!--[if IE]><link rel="stylesheet" href="ie.css"
+// <!--[if lt IE 8]><link rel="stylesheet" href="ie.css"
 //                   type="text/css" media="screen, projection"><![endif]-->
 
-// The +blueprint-ie mixin must be mixed into the top level of your stylesheet.
-// However, you can customize the body selector if you wish to control the scope
-// of this mixin. Examples:
-// Apply to any page including the stylesheet:
-//   +blueprint-ie
-// Scoped by a single presentational body class:
-//   +blueprint-ie("body.blueprint")
-// Semantically:
-//   +blueprint-ie("body#page-1, body#page-2, body.a-special-page-type")
-//   Alternatively, you can use the +blueprint-ie-body and +blueprint-ie-defaults
-//   mixins to construct your own semantic style rules.
 
+// Usage examples:
+// As a top-level mixin, apply to any page that includes the stylesheet:
+//   +blueprint-ie
+// Scoped by a presentational class:
+//   body.blueprint
+//    +blueprint-ie(true)
+// Scoped by semantic selectors:
+//   body#page-1, body#page-2, body.a-special-page-type
+//     +blueprint-ie(true)
+// Deprecated:
+//   You can pass the body selector as the first argument when used as a top-level mixin
+//   +blueprint-ie("body#page-1, body#page-2, body.a-special-page-type")
 =blueprint-ie(!body_selector = "body")
+  @if !body_selector == true
+    +blueprint-ie-body
+    +blueprint-ie-defaults
+  @else
     #{!body_selector}
       +blueprint-ie-body
       @if !body_selector != "body"
+        @debug "[DEPRECATED] To specify a the selector \"#{!body_selector}\" to +blueprint-ie, pass true as the first argument and mix it into #{!body_selector}."
         +blueprint-ie-defaults
     @if !body_selector == "body"
       +blueprint-ie-defaults

frameworks/blueprint/stylesheets/blueprint/_print.sass

@@ -1,22 +1,29 @@
 @import modules/typography.sass
 @import compass/utilities/general/float.sass
 
-// The +blueprint-print mixin must be mixed into the top level of your stylesheet.
-// However, you can customize the body selector if you wish to control the scope
-// of this mixin. Examples:
-// Apply to any page including the stylesheet:
-//   +blueprint-print
-// Scoped by a single presentational body class:
-//   +blueprint-print("body.blueprint")
-// Semantically:
-//   +blueprint-print("body#page-1, body#page-2, body.a-special-page-type")
-//   Alternatively, you can use the +blueprint-print-body and +blueprint-print-defaults
-//   mixins to construct your own semantic style rules.
 
+
+// Usage examples:
+// As a top-level mixin, apply to any page that includes the stylesheet:
+//   +blueprint-print
+// Scoped by a presentational class:
+//   body.blueprint
+//    +blueprint-print(true)
+// Scoped by semantic selectors:
+//   body#page-1, body#page-2, body.a-special-page-type
+//     +blueprint-print(true)
+// Deprecated:
+//   You can pass the body selector as the first argument when used as a top-level mixin
+//   +blueprint-print("body#page-1, body#page-2, body.a-special-page-type")
 =blueprint-print(!body_selector = "body")
+  @if !body_selector == true
+    +blueprint-print-body
+    +blueprint-print-defaults
+  @else
     #{!body_selector}
       +blueprint-print-body
       @if !body_selector != "body"
+        @debug "[DEPRECATED] To specify a the selector \"#{!body_selector}\" to +blueprint-print, pass true as the first argument and mix it into #{!body_selector}."
         +blueprint-print-defaults
     @if !body_selector == "body"
       +blueprint-print-defaults

frameworks/blueprint/stylesheets/blueprint/_screen.sass

@@ -6,7 +6,21 @@
 @import modules/interaction.sass
 @import modules/debug.sass
 
+// Usage examples:
+// As a top-level mixin, apply to any page that includes the stylesheet:
+//   +blueprint
+// Scoped by a presentational class:
+//   body.blueprint
+//    +blueprint(true)
+// Scoped by semantic selectors:
+//   body#page-1, body#page-2, body.a-special-page-type
+//     +blueprint(true)
+// Deprecated:
+//   You can pass the body selector as the first argument when used as a top-level mixin
+//   +blueprint("body#page-1, body#page-2, body.a-special-page-type")
 =blueprint(!body_selector = "body")
+  @if !body_selector != "body"
+    @debug "[DEPRECATED] To specify a the selector \"#{!body_selector}\" to +blueprint, pass true as the first argument and mix it into #{!body_selector}."
   +blueprint-typography(!body_selector)
   +blueprint-utilities
   +blueprint-grid

frameworks/blueprint/stylesheets/blueprint/modules/_rtl.sass

@@ -70,10 +70,28 @@
   :margin-left= (!blueprint_grid_width - 2 * !blueprint_grid_margin)/2
   :border-left 1px solid #eee
 
+// Usage examples:
+// As a top-level mixin, apply to any page that includes the stylesheet:
+//   +rtl-typography
+// Scoped by a presentational class:
+//   body.blueprint
+//    +rtl-typography(true)
+// Scoped by semantic selectors:
+//   body#page-1, body#page-2, body.a-special-page-type
+//     +rtl-typography(true)
+// Deprecated:
+//   You can pass the body selector as the first argument when used as a top-level mixin
+//   +rtl-typography("body#page-1, body#page-2, body.a-special-page-type")
 =rtl-typography(!body_selector = "body")
+  @if !body_selector == true
+    html &
+      :font-family Arial, sans-serif  
+    +rtl-typography-defaults
+  @else
     html #{!body_selector}
       :font-family Arial, sans-serif
       @if !body_selector != "body"
+        @debug "[DEPRECATED] To specify a the selector \"#{!body_selector}\" to +rtl-typography, pass true as the first argument and mix it into #{!body_selector}."
         +rtl-typography-defaults
     @if !body_selector == "body"
       body

frameworks/blueprint/stylesheets/blueprint/modules/_typography.sass

@@ -6,22 +6,27 @@
 !blueprint_fixed_font_family ||= "'andale mono', 'lucida console', monospace"
 !blueprint_font_size         ||= 12px
 
-// The +blueprint-typography mixin must be mixed into the top level of your stylesheet.
-// However, you can customize the body selector if you wish to control the scope
-// of this mixin. Examples:
-// Apply to any page including the stylesheet:
+// Usage examples:
+// As a top-level mixin, apply to any page that includes the stylesheet:
 //   +blueprint-typography
-// Scoped by a single presentational body class:
-//   +blueprint-typography("body.blueprint")
-// Semantically:
+// Scoped by a presentational class:
+//   body.blueprint
+//    +blueprint-typography(true)
+// Scoped by semantic selectors:
+//   body#page-1, body#page-2, body.a-special-page-type
+//     +blueprint-typography(true)
+// Deprecated:
+//   You can pass the body selector as the first argument when used as a top-level mixin
 //   +blueprint-typography("body#page-1, body#page-2, body.a-special-page-type")
-//   Alternatively, you can use the +blueprint-typography-body and +blueprint-typography-defaults
-//   mixins to construct your own semantic style rules.
-
 =blueprint-typography(!body_selector = "body")
+  @if !body_selector == true
+    +blueprint-typography-body
+    +blueprint-typography-defaults
+  @else
     #{!body_selector}
       +blueprint-typography-body
       @if !body_selector != "body"
+        @debug "[DEPRECATED] To specify a the selector \"#{!body_selector}\" to +blueprint-typography, pass true as the first argument and mix it into #{!body_selector}."
         +blueprint-typography-defaults
     @if !body_selector == "body"
       +blueprint-typography-defaults

frameworks/blueprint/templates/project/ie.sass

@@ -1,15 +1,16 @@
 @import blueprint.sass
 
-+blueprint-ie 
+// To generate css equivalent to the blueprint css but with your configuration applied, uncomment:
+// +blueprint-ie
 
-// Note :
-//
-// Compass will center text to fix IE6 container centering.
-// This means all your texts will be centered under all version of IE by default.
-// Please don't forget to restore the correct behavior to your main container (but not the body tag!)
-//
-// Example :
-//
-// .container, .footer
-//   :text-align left
+//Recommended Blueprint configuration with scoping and semantic layout:
+body.bp
+  +blueprint-ie(true)
+  // Note: Blueprint centers text to fix IE6 container centering.
+  // This means all your texts will be centered under all version of IE by default.
+  // If your container does not have the .container class, don't forget to restore
+  // the correct behavior to your main container (but not the body tag!)
+  // Example:
+  // .my-container
+  //   :text-align left
 

frameworks/blueprint/templates/project/print.sass

@@ -1,3 +1,8 @@
 @import blueprint.sass
 
-+blueprint-print
+// To generate css equivalent to the blueprint css but with your configuration applied, uncomment:
+// +blueprint-print
+
+//Recommended Blueprint configuration with scoping and semantic layout:
+body.bp
+  +blueprint-print(true)

frameworks/blueprint/templates/project/screen.sass

@@ -11,9 +11,9 @@
 // +blueprint
 
 //Recommended Blueprint configuration with scoping and semantic layout:
-+blueprint-typography("body.bp")
 +blueprint-scaffolding("body.bp")
 body.bp
+  +blueprint-typography(true)
   +blueprint-utilities
   +blueprint-debug
   +blueprint-interaction