Symbol highlighting is a useful feature for quickly identifying occurrences of a symbol in a buffer. For example, when reading an algorithm with nested loops and multiple function calls, the distinct colors for each symbol, variable, or function make it easier to identify where each is used by simply scanning the highlighted symbols. This article presents a function that simplifies toggling the highlight for the symbol at point in Emacs using the built-in hi-lock package, which provides dynamic text highlighting. (The function provided in this article can serve as a replacement for packages like symbol-overlay or highlight-symbol if your primary … Continue reading →