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.
is for the Elisp advice feature that changes an existing definition of a function in a way that lets you undo the change easily. This tag applies to both old and new advice features. The old advice fe…
a feature of Emacs that allows one to ‘fold’ (collapse/hide) and ‘unfold’ (expand/reveal) large blocks of code.
is for the Emacs text terminal emulator, which by default runs in a sub-shell in a buffer named `*terminal*` with `term-mode`. `M-x term` command starts a terminal.
is for marking the start of a region of text in a buffer. Emacs uses `mark` and `point` to highlight a region. Highlighting indicates that the mark and region are active.
a feature of Emacs which allows comparing two or more files or buffers, as well as merging two files or buffers into one.
for preview of LaTeX markup buffers to ease the edit-compile-preview cycle. Preview LaTeX is part of the AUCTeX package that replaces snippets, such as math formulas, with a graphical image of the typ…
is for the desk calendar in Emacs, which also provides a diary for events that can be used for managing projects and appointments. `M-x calendar` displays an interactive calendar for picking dates in …
an Emacs package to bring powerful Python editing to Emacs. It combines a number of other packages, both written in Emacs Lisp as well as Python.
Major mode for C, C++, Objective-C, Java, CORBA IDL, Pike, AWK. Included in GNU Emacs and XEmacs.
**DO NOT USE THIS TAG** unless your question applies ONLY to Emacs version 24.4.
a command which wraps the words or redistributes the newlines within a paragraph as defined by the current major-mode
is the location where most editing commands take effect, which is by default indicated by the cursor in the selected window. Emacs remembers the last location of the point for each buffer and when a b…
is the command interpreter mode for interacting with external processes. Using the base comint-mode, Emacs provides derived modes for specific process-in-a-buffer. Common ones are shell, lisp, scheme,…
is for Emacs performance-related issues. Use additional tags to indicate which aspects of Emacs the performance issue is about: startup, navigation, search, screen updates, compilation, execution, deb…
an enhanced Emacs configuration that should make your experience with Emacs both more pleasant and more powerful.
is for the major mode for shell buffers. Use `C-c` prefix for accessing `M-x commands`.
is an Emacs Lisp data structure in which each character's syntactic role is defined. Other Emacs facilities, such as font lock, navigation, parsing, etc., scan these syntax tables to determine where w…
a global list of blocks of text that were previously copied or moved from buffers.
is for the abbreviation feature of Emacs where a string of characters are expanded to a longer string. Mainly used to reduce typing, `abbrev` are recorded in a table that is shared locally, among buf…
a free software environment for statistical computing and graphics. R can be run from within Emacs using the ESS (Emacs Speaks Statistics) package, which also provides a major mode for editing `.…
Compilation mode turns each error message in the buffer into a hyperlink; you can move point to it and type RET, or click on it with the mouse (see Mouse References), to visit the locus of the error m…
is for the Org mode feature for clocking work time by specific tasks in a project. Org clock records time spent on tasks, maintains a history time spent on tasks, and computes total time spent.
The Emacs server, which allows opening files and running commands in an existing Emacs instance
is for grammar, structure, and order of language elements. Emacs provides many facilities for correcting syntax errors, building complex syntactic structures from simpler ones, and applying rules of c…
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…