Clarify button_to html_options documentation
Clarify button_to html_options documentation

Further explain how html_options can be used in button_to. Specifically
with regard to html_options passed to the button (form submit) element.

Vasfed/rails,EmmaB/rails-1,Stellenticket/rails,joonyou/rails,esparta/rails,Envek/rails,joonyou/rails,betesh/rails,Vasfed/rails,betesh/rails,MSP-Greg/rails,Erol/rails,georgeclaghorn/rails,Edouard-chin/rails,yawboakye/rails,lcreid/rails,lcreid/rails,rails/rails,Erol/rails,kddeisz/rails,Envek/rails,yawboakye/rails,bogdanvlviv/rails,esparta/rails,bogdanvlviv/rails,yahonda/rails,georgeclaghorn/rails,esparta/rails,kmcphillips/rails,Edouard-chin/rails,MSP-Greg/rails,joonyou/rails,rails/rails,lcreid/rails,Vasfed/rails,kmcphillips/rails,georgeclaghorn/rails,Erol/rails,joonyou/rails,lcreid/rails,rails/rails,Edouard-chin/rails,georgeclaghorn/rails,EmmaB/rails-1,rails/rails,kmcphillips/rails,yahonda/rails,bogdanvlviv/rails,BlakeWilliams/rails,Envek/rails,Vasfed/rails,BlakeWilliams/rails,Erol/rails,yahonda/rails,BlakeWilliams/rails,EmmaB/rails-1,Edouard-chin/rails,kmcphillips/rails,esparta/rails,kddeisz/rails,betesh/rails,MSP-Greg/rails,kddeisz/rails,Stellenticket/rails,betesh/rails,yawboakye/rails,BlakeWilliams/rails,bogdanvlviv/rails,Envek/rails,kddeisz/rails,yahonda/rails,Stellenticket/rails,Stellenticket/rails,MSP-Greg/rails,yawboakye/rails