How to use `narrow'?

[Gian Uberto Lauri]

>>>>> "IZ" == Ilya Zakharevich <nospam-abuse@ilyaz.org> writes:

IZ> My idea how *I* would use `narrow' is like this:

IZ>   Suppose I have a file which is "in multiple modes".

...

IZ>   So I would like to narrow to the region "inside the
IZ> HERE-document", and switch the mode to "other mode" (above, from
IZ> CPerl mode to JavaScript mode).

...

IZ> However, I looked, and `font-lock' does `widen' before it starts
IZ> up; so all the effect of narrowing is gone...  Is there any *use*
IZ> of narrowing?

font-lock widens then narrows, afaik.

So what's narrowed stays narrowed at least for what concerns the user.

-- 
 /\            ___
/___/\__|_|\_|__|___Gian Uberto Lauri_____________________
  //--\ | | \|  |   Integralista GNUslamico  
\/                  e allevatore di bug da competizione