posts: add gap buffer

content/posts/2024-07-06-gap-buffer/index.md

@@ -0,0 +1,25 @@
+---
+title: "Gap Buffer"
+date: 2024-07-06T21:27:19+01:00
+draft: false # I don't care for draft mode, git has branches for that
+description: "As featured in GNU Emacs"
+tags:
+- algorithms
+- data structures
+- python
+categories:
+- programming
+series:
+- Cool algorithms
+favorite: false
+disable_feed: false
+---
+
+The [_Gap Buffer_][wiki] is a popular data structure for text editors to
+represent files and editable buffers. The most famous of them probably being
+[emacs].
+
+[wiki]: https://en.wikipedia.org/wiki/Gap_buffer
+[emacs]: https://www.gnu.org/software/emacs/manual/html_node/elisp/Buffer-Gap.html
+
+<!--more-->