Rails escapes quotes at when they are at beginning and and of signle-line string

When there are quotes at the begining and at the end of a textarea rails escapes them, and stores string without quotes. It's not happen with multiline strings.
For example given to textarea declerated as <%= f.text_area :name %>
the text: "Test Scenario"
and I will got:
Parameters: {"commit"=>"Submit", "authenticity_token"=>"YtwwTBw3pyniVxBzHVU5j5ZZ/nouhUqqm1iU59J0W68=", "test"=>{"name"=>"Test scenario"}}

text: "Test
Scenario"
Will produce paramterers with quotes stored
Parameters: {"commit"=>"Submit", "authenticity_token"=>"YtwwTBw3pyniVxBzHVU5j5ZZ/nouhUqqm1iU59J0W68=", "test"=>{"name"=>""Test \r\nScenario""}}