[clang] [clang-format] add option to control bin-packing keyworded parameters (PR #131605)

[Eugene Shalygin via cfe-commits]

zeule wrote:

I renamed the thing so that it ends with a singular noun, which allows the exiting machinery in dump_format_style.py to work, and I like the new name better.

https://github.com/llvm/llvm-project/pull/131605