bug#67117: [PATCH] Tree-sitter: fix an issue when searching subtree backward

[Yuan Fu]

> On Nov 15, 2023, at 5:21 AM, Eli Zaretskii <eliz@gnu.org> wrote:
> 
>> From: Denis Zubarev <dvzubarev@yandex.ru>
>> Date: Sun, 12 Nov 2023 02:38:33 +0300
>> 
>> Steps to reproduce the issue:
>> 1. emacs -Q
>> 2. M-x find-file /tmp/t.py
>> 3. paste to the buffer
>> 
>> Temp(1, 2) 
>> 
>> 4. M-x python-ts-mode
>> 5. Call search-subtree with backward flag
>>   M-x eval-expression (treesit-search-subtree
>>               (treesit--thing-at (point) "call")
>>               (lambda (n) (equal (treesit-node-type n ) "integer"))
>>               t)
>> It should return the second int node (#<treesit-node integer in 9-10>), but 
>> it returns nil.
> 
> Yuan, any comments to the patch and the issue in general?

LGTM. Thanks Denis, and Eli :-)

Yuan