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-rw-r--r--lisp/ChangeLog5
-rw-r--r--lisp/calc/calc-units.el6
2 files changed, 7 insertions, 4 deletions
diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 4a060875e3c..531ef52a996 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2013-05-17 Jay Belanger <jay.p.belanger@gmail.com>
+
+ * calc/calc-units.el (math-extract-units): Preserve powers
+ of units.
+
2013-05-17 Leo Liu <sdl.web@gmail.com>
* subr.el (delete-consecutive-dups): New function.
diff --git a/lisp/calc/calc-units.el b/lisp/calc/calc-units.el
index 0d6f0b0e535..595d875eb6e 100644
--- a/lisp/calc/calc-units.el
+++ b/lisp/calc/calc-units.el
@@ -1497,10 +1497,8 @@ If COMP or STD is non-nil, put that in the units table instead."
((memq (car-safe expr) '(* /))
(cons (car expr)
(mapcar 'math-extract-units (cdr expr))))
- ((and
- (eq (car-safe expr) '^)
- (math-check-unit-name (nth 1 expr)))
- expr)
+ ((eq (car-safe expr) '^)
+ (list '^ (math-extract-units (nth 1 expr)) (nth 2 expr)))
((math-check-unit-name expr) expr)
(t 1)))