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A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

delight.el enables you to easily customise how major and minor modes appear in the ModeLine. See for more information.
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For questions related to saving and restoring Emacs session data with `desktop-save-mode` and related functions.
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Using Emacs to develop programs in other languages.
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a major mode that allows users to edit files and directories on a file system. It is essentially a file browser, with a wide range of features and an appearance similar to the `ls` command.
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is for Emacs display features, which includes scrolling, fonts, colors, and placement of text or images.
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a major mode for viewing DVI, PostScript (PS), PDF, OpenDocument, and Microsoft Office documents. It provides features such as slicing, zooming, and searching inside documents. It work…
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is the blank line at the very bottom of an Emacs frame. Emacs by default reserves that screen space for echoing keystrokes, error messages, complier messages, messages from background processes, and a…
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a feature of Emacs which allows comparing two or more files or buffers, as well as merging two files or buffers into one.
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a generic term for updating a file, document, or page.