s nr="print"
.nr是插入的内容
s id=5
.id为编辑框id
ug(id,"*ionstart",start)
ug(id,"*ionend",end)
ug(id,"text",text)
slg(text,slte)
s(start-slte,start)
ssg(text,start,end,boo)
ss(boo nr,poo)
sr(text,boo,poo,textt)
us(id,"text",textt)
//插入内容的代码事例，by可怕的僵王博士