let oldview = winsaveview()
exe 'keepjumps keeppatterns '.a:line1.','.a:line2.'substitute/'.pattern.'//e'
if oldview != winsaveview()
let oldview = winsaveview()
exe 'keepjumps keeppatterns '.a:line1.','.a:line2.'substitute/'.pattern.'//e'
if oldview != winsaveview()