h1: escmode test
initial: [+ $escmode +]
0: [+ $escmode = 0; +] [+ $escmode +] [+ ' ' +]
3: [+ $escmode = 3; +] [+ $escmode +] [+ ' ' +]
local 0: [+ local $escmode = 0; "$escmode " +] [+ $escmode +] [+ ' ' +]
local 3: [+ local $escmode = 3; "$escmode " +] [+ $escmode +] [+ ' ' +]