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[Xen-devel] [PATCH] CODING_STYLE: discourage use of underscores where alternatives exist

Underscores commonly require two keypresses while hyphen / dash requires
just one, and the visual separation effect of both is basically the same.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

--- a/CODING_STYLE      2017-08-09 14:07:41.565057836 +0200
+++ b/CODING_STYLE      2018-06-07 15:52:55.136611092 +0200
@@ -106,6 +106,15 @@ separate lines and each line should begi
  * Note beginning and end markers on separate lines and leading '*'.
+Choice of names
+While for identifiers underscores are unavoidable when a visual
+separator beween name components is wanted, in other cases, where a
+wider set of non-alphanumeric characters can be chosen from, the use
+of underscores is discouraged.  For example, for file names and
+command line options a hyphen / dash is commonly easier to type.
 Emacs local variables

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