Although vim has many commands for folding things, I really only use 2, za and zA. They toggle folding at the cursor, capital is recursive.

My point is that folding can appear simple, but depending on features you want to allow it can be more complex.

Thanks for the answer and it agrees to my gut feeling that these are the two most important. Thatswhy I put them together on the easier reachable key ("-" alt+minus and alt+shift+minus- the other 2 on plus) and on the 2 leftmost mouse keys and but the new sibling fold on right because it has also similarities with a popup menu which usually appears on right click.

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Kephra, a beautiful Perl Editor, designed along Perl like Paradigms lives at http://kephra.sourceforge.net

I don't think you do acheive the same result, though i havn't managed to get the wX library to install so i'm not sure.

sub test {
    # 5 important lines
    while ($x) { 
       # 10 lines of good stuff
    }
    for (1..5) {
       # 100 lines of crap
    }
}
[download]

Now if you fold that recursively you get

and then a recursive unfold yeilds to original back. However a non recursive unfold returns

sub test {
    # 5 important lines
    while ($x) { ... }
    }
    for (1..5) { ... }
   }
[download]

So there are cases where a user might want a recursive fold/unfold, and other where they do not. Now if you through in remembering the fold state, maybe i've already folded the "100 lines of crap" but i left "10 lines of good stuff" unfolded. If i did a non recursive fold on test, and then a nonrecursive unfold i would still be able to see my "5 important lines" and the "10 lines of good stuff" but the "100 lines of crap would not be unfolded". If however you alwas do a recursive fold/unfold then as soon as i unfold test it unfolds my "100 lines of crap"

because both loops are siblings in node hierarchy they get both folded by my new shiny sibling fold. differences appear just when you open the loops. if folded recursive you only see next level und can unfold further. if choden sibling fold you get all at once, because no further folding was done. but there are cases when recursive has advantages. thatsway i added it too.(see update above.)

thank you too for answering.

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Kephra, a beautiful Perl Editor, designed along Perl like Paradigms lives at http://kephra.sourceforge.net