add repetition example
Merge branch 'f.readme'
add xpt#priority
do not need to copy rawHint for alias
xptemplate.vim use xpt#priority
simplify priority parsing
alias check priority
Merge branch 'f.priority'
discard snippet priority, use ft-scope priority only
use xpt#util#DeepExtend
Merge branch 'f.engine'
add args xpt
add macro arg complete