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* Documented NilClass#blank?Sebastian Martinez2011-04-171-1/+5
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* copy-edits 108561fXavier Noria2011-03-051-1/+1
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* Adds link to Object.blank? from Object.present?Jonathon D. Jones2011-03-051-1/+1
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* Deletes trailing whitespaces (over text files only find * -type f -exec sed ↵Santiago Pastorino2010-08-141-1/+1
| | | | 's/[ \t]*$//' -i {} \;)
* Added Object#presence that returns the object if it's #present? otherwise ↵David Heinemeier Hansson2009-12-271-2/+20
| | | | returns nil [DHH/Colin Kelley]
* blank? and duplicable? are Object extensionsJeremy Kemper2009-03-211-0/+58