Aditya Srivastava [off-list ref] writes:

There are some regex expressions in the kernel-doc script, which are used
repeatedly in the script.

Reduce such expressions into variables, which can be used everywhere.

A quick manual check found that no errors and warnings were added/removed
in this process.

Suggested-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Aditya Srivastava <redacted>
---
Changes in v4:
- Fix htmldocs warning at function parsing, involving repeated $type2 identifiers capture
- Re-tested against all files in kernel tree

Applied, thanks for stickint with this.

jon