[PATCH] org-attach.el: ID to path functions may return nil

[Max Nikulin]

Ihor, I played with my patch for some time and the only issue I have 
noticed is missed backslashes in a docstring.

On 05/10/2022 12:44, Ihor Radchenko wrote:
> AFAIU, your version of `org-attach-dir-from-id' may sometimes return
> nil, which is neither documented

"otherwise independently of TRY-ALL
value return the first non nil value."

indirectly assumes nil. It may be made more prominent.

> nor expected by the callers.

I see 2 direct callers and I am not aware of any problem with them.

> In particular, `org-attach-dir-get-create' will throw unhelpful "No
> attachment directory is associated with the current node" error.

* H short
:PROPERTIES:
:ID:       ec
:END:

if: No attachment directory is associated with the current node, adjust 
‘org-attach-id-to-path-function-list’

I do not think this message is unhelpful.

> `org-attach-dir' appears to handle nil return value fine.

0001-org-attach.el-ID-to-path-functions-may-return-nil.patch
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