[3.13] Minor fixes to `idle.rst` and regenerate `help.html` (GH-140037)#141122

terryjreedy merged 1 commit intopython:3.13python/cpython:3.13from

miss-islington:backport-4e6e208-3.13miss-islington/cpython:backport-4e6e208-3.13Copy head branch name to clipboard