Google Docs is fixing this annoying print preview issue

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google docs added greater visibility for non-printing characters collaboration toolincluding spaces, tabs, and pauses to make it easier for users to distinguish them.

The feature, now available after a Announcement (opens in new tab) in a post on the Google Workspace Updates blog also includes line, paragraph, section, page, and column break marks and can be enabled in the View menu in the Google Docs document view.