Open Vim looks like a really cool way to learn vi. I wish it was around when I learnt it. I've skimmed through the various sections and have picked up serveral things that I'd forgotten or didn't know about!
Open Vim. Collection of Vim learning tools. Tutorial. Interactive tutorial. Sandbox. Playground for text editing with a context-sensitive menu. Two sandboxes. Shows that two playgrounds can exist simu…
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