Re: Bug #25608 and the comment-cache branch

[zhanghj]

Stefan Monnier <address@hidden> writes:

> Similarly, it would be a lot more convenient for syntax-ppss to consult
> some dynamically-scoped variable to find the "beginning of (sub)buffer",
> rather than having to scan text properties.
>
Every island may has two varibles like island-begin-marker and
island-end-marker in island-variables. Then we don't need to scan text
property. Just use the two markers to identify the region of the island.