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+Spaces to tabs
+==============
+
+If you prefer tabs to spaces, the following recipe seems to convert everything
+pretty nicely:
+
+	$ find . -name .git -prune -o -name vim -prune -o -type f \
+		-exec sh -c \
+		'for f;do unexpand -t4 "$f">"$f".tmp;mv "$f" "$f".tmp;done' \
+		_ {} +
+
+	$ find vim -name bundle -prune -o -type f \
+		-exec sh -c \
+		'for f;do unexpand -t2 "$f">"$f".tmp;mv "$f" "$f".tmp;done' \
+		_ {} +
+
+If you have GNU unexpand(1) and can add `--first-only` to each of those calls,
+the results seem perfect.
+
+You can configure Vim to accommodate this by removing the settings for:
+
+* `expandtab`
+* `shiftround`
+* `shiftwidth`
+* `smarttab`
+* `softtabstop`