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@skirpichev Thanks for the review on the docs. I went ahead and dug into the C code to fix the underlying signatures for these methods as well. Here is what I updated:

The C-Code: I updated the Argument Clinic [clinic input] blocks for the master find methods in Objects/unicodeobject.c, Objects/bytesobject.c, and Objects/bytearrayobject.c. I removed the hardcoded @text_signature overrides and properly mapped the c_default values for start and end.
The Cascade: Because methods like count, index, rfind, and rindex clone their signatures from find, this single fix cleanly cascades down to all of them across all three types.
The Test Suite: I updated Lib/test/test_inspect.py to remove these newly supported methods from the methods_unsupported_signature lists (including the typing.Text alias).

I compiled and ran the test suite locally. test_inspect now passes cleanly with 0 failures, and the bracket-free signatures generate perfectly across all types!

@subscapularis, please do not click the "Update branch" button without a good reason because it notifies everyone watching the PR that there are new changes, when there are not, and it uses up limited CI resources.

Ah my apologies for the 'Update branch' spam, didn't realize it pinged all the watchers

Since my initial docs fix, I ended up going down the rabbit hole to fix the underlying C-signatures as well. Since we are keeping it all in this PR, here is a complete summary of everything that has been updated:

1. The C-Code & Argument Clinic
   Updated the [clinic input] blocks for the master find methods in Objects/unicodeobject.c, Objects/bytesobject.c, and Objects/bytearrayobject.c

Removed the hardcoded @text_signature overrides

Dropped the redundant accept and c_default parameters from the start arguments

Also as far as i know methods like count, index, rfind, and rindex clone from find so, this single fix cascaded cleanly to all of them across all three types

2. The Test Suite
   Updated Lib/test/test_inspect.py to remove these newly supported methods from the methods_unsupported_signature lists (including the typing.Text alias). The test suite now fully passes locally

3. The Sphinx Docs
   Updated Doc/library/stdtypes.rst to reflect the new bracket-free signatures for count, find, rfind, and rindex across str, bytes, and bytearray

Formatted them using the stacked multiple-signature layout with start=0 and stop=sys.maxsize as you suggested

I also just ran a global clinic.py --make sync to ensure all the hidden .c.h checksums are perfectly up to date for the CI bots

Thank you for being so patient and letting me keep all these fixes in one place, let me know if everything looks good to go