Added DoubleRenderError exception that'll be raised if render* is called twice #518 [Nicholas Seckar]. Fixed exceptions occuring after render has been called #1096 [Nicholas Seckar]

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Added Errors#add_on_blank which works like Errors#add_on_empty, but uses Object#blank? instead. CHANGED: validates_presence_of now uses Errors#add_on_blank, which will make "  " fail the validation where it didnt before #1309. Added that "   " is now also blank? (using strip if available)

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Fixed use of an integer as return code for renders, so render_text "hello world", 404 now works #1327

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Added the :if option to all validations that can either use a block or a method pointer to determine whether the validation should be run or not. #1324 [Duane Johnson/jhosteny]

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a.l.a Backpack API...its so Web 2.0 :)


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Fixed the Inflector to underscore strings containing numbers, so Area51Controller becomes area51_controller #1176 [Nicholas Seckar]

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Fixed that HashWithIndifferentAccess stringified all keys including symbols, ints, objects, and arrays #1162 [Nicholas Seckar]

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Fixed that compute_public_path should recognize external URLs, so image_tag("http://www.example.com/images/icon.gif") is not prefixed with the relative url path #1254 [victor-ronr-trac@carotena.net]

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Added support for descending year values in DateHelper#select_year, like select_year(Date.today, :start_year => 2005, :end_year => 1900), which would count down from 2005 to 1900 instead of the other way #1274 [nwoods@mail.com]

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Fixed that FormHelper#checkbox should return a checked checkbox if the value is the same as checked_value #1286 [Florian Weber]

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Fixed that :delete_sql in has_and_belongs_to_many associations couldn't access record properties #1299 [Rick Olson]

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Fixed that clone would break when an aggregate had the same name as one of its attributes #1307 [bitsweat]

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Fixed that Time.local(2005,12).months_since(1) would raise "ArgumentError: argument out of range" #1311 [jhahn@niveon.com]

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