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-rw-r--r--simetrix.scm5
1 files changed, 3 insertions, 2 deletions
diff --git a/simetrix.scm b/simetrix.scm
index 3a3f16b..e187dd2 100644
--- a/simetrix.scm
+++ b/simetrix.scm
@@ -8,7 +8,7 @@
;1. Any copy made of this software must include this copyright notice
;in full.
;
-;2. I have made no warrantee or representation that the operation of
+;2. I have made no warranty or representation that the operation of
;this software will be error-free, and I am under no obligation to
;provide any services, by way of maintenance, update, or otherwise.
;
@@ -22,6 +22,7 @@
;; http://swissnet.ai.mit.edu/~jaffer/MIXF.html
(require 'precedence-parse)
+(require 'string-port)
;;; Combine alists
(define (SI:adjoin unitlst SIms)
@@ -200,7 +201,7 @@
((symbol? result) (SI:expand-unit result))
(else result)))))
-;;;; advertised interface
+;;;;@ advertised interface
(define (SI:conversion-factor to-unit from-unit)
(let ((funit (SI:expand-equivalence from-unit))
(tunit (SI:expand-equivalence to-unit)))