use tabs instead of spaces

1 files changed, 1 insertions, 0 deletions

diff --git a/flake.nix b/flake.nix
index e3c6722..182fe58 100644
--- a/flake.nix
+++ b/flake.nix
@@ -278,6 +278,7 @@
                   cursorline      = true;   # Highlight current line background & line number
                   list            = true;
                   listchars       = "tab:⇥·,trail:␠,nbsp:⎵";  # eol:⏎,,space:␣"; # Show hidden chars with list
+                  expandtab       = false;  # Use tabs, not spaces for indentation
                 };
 
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