Hot answers tagged auto-completion
Sorry to be a necromancer, but this is the top google result for this problem and I feel like this thread is missing an important bit of info for Windows users working in Cygwin and/or Babun For some reason, the version of grep bundled with Cygwin requires the pattern in single quotes. (e.g., grep -nH '$*') In your .vimrc you'll need to escape the spaces ...
Autocompletion with recent words is supported. In the picture I show what I see when typing xy and hitting the ESC key. You can clearly see the word, along with other possible completions from some dictionary. TeXShop version 3.58
Here you can see my configuration of TexStudio: which seems to enable what you want it to do: I am fairly certain, the most important one is the first and the "Typisch" From the wordlists maybe ngerman.cwl and tex.cwl, although i am not using ams*.cwl and the proof environment is still available in dropdown (as seen above).
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