fixes #147: enter insert mode after S (no count)
fixes #147: enter insert mode after S (no count)

denim2x/Vintageous,guillermooo-forks/Vintageous,xushuwei202/Vintageous,guillermooo-forks/Vintageous,xushuwei202/Vintageous,denim2x/Vintageous,xushuwei202/Vintageous,wbcustc/Vintageous,denim2x/Vintageous,zhangtuoparis13/Vintageous,wbcustc/Vintageous,himacro/Vintageous,gerardroche/Vintageous,himacro/Vintageous,zhangtuoparis13/Vintageous,guillermooo-forks/Vintageous,vastcharade/Vintageous,wbcustc/Vintageous,vastcharade/Vintageous,zhangtuoparis13/Vintageous,himacro/Vintageous