Re: alter all subtrees containing specific tag

[Ian Barton <lists@manor-farm.org>]

>    I use pgg to encrypt some org subtrees (e.g. the ones containing
>    passwords). At the moment I have to encrypt/decrypt them one at a
>    time by selecting the appropriate region and running
>    pgg-encrypt-region/pgg-decrypt-region. 
>    I want to make a function that will automatically encrypt/decrypt all
>    subtrees (in the current buffer) whose headings contain an :ENCRYPT: tag.
>    I tried using org-map-entries, but it seems to restore the buffer to
>    its original state after returning.
>    Is there a quick way to get the start and end points of a subtree, or
>    place region around it? and a quick way to jump to the next heading
>    with a given tag?
> 
Not really an answer, but I use epa and encrypt the whole file, which I 
find much fiddly. You can get epa to play nicely with org mode by 
putting something like:

-*- mode:org; epa-file-encrypt-to: ("me@mmyemail.com") -*-

at the top of your encrypted file.

Ian.