Backport PR #24037 on branch v3.6.x ([DOC]: make spanselector example codeblock continuous)#24051

timhoffm merged 1 commit intomatplotlib:v3.6.xmatplotlib/matplotlib:v3.6.xfrom

meeseeksmachine:auto-backport-of-pr-24037-on-v3.6.xmeeseeksmachine/matplotlib:auto-backport-of-pr-24037-on-v3.6.xCopy head branch name to clipboard