Put TextEdit or Preview into the background when they haven’t got an open window, and they quit automatically, don’t they? Actually they don’t, they just become zombies.
Preview
Which apps can write image files using High Sierra’s wonderful new HEIF? I can’t find one, can you?
This scrambles window content, making the app unusable for large images.
When trying to print multiple copies from Pages, each gets slower and slower to appear. Why can the app not print properly?
Creating links in PDF files requires a proper PDF editor.
How can I check whether QuickLook should provide previews of various types of documents?
What has broken when Preview no longer opens PDF documents? The answer is more complex than it might appear.
Why does mdls not give full image metadata?
I am assembling an opera using Pages and Finale, into a PDF in Preview. Sometimes pages are replaced with blanks. How can I get this to work?
The Eclectic Light Company 