(math-approx-ln-10,math-approx-ln-2): Add docstrings.

diff --git a/lisp/calc/calc-math.el b/lisp/calc/calc-math.el
index 6ee7a49feabf688f36b8e1fd576ebd11e585cf72..d8de812421f4d80ed6ca014ad2ac99976760f0a8 100644 (file)
--- a/lisp/calc/calc-math.el
+++ b/lisp/calc/calc-math.el
@@ -1720,14 +1720,16 @@
 
 (defconst math-approx-ln-10
   (eval-when-compile
-    (math-read-number-simple "2.302585092994045684018")))
+    (math-read-number-simple "2.302585092994045684018"))
+  "An approximation for ln(10).")
      
 (math-defcache math-ln-10 math-approx-ln-10
   (math-ln-raw-2 '(float 1 1)))
 
 (defconst math-approx-ln-2
   (eval-when-compile
-    (math-read-number-simple "0.693147180559945309417")))
+    (math-read-number-simple "0.693147180559945309417"))
+  "An approximation for ln(2).")
 
 (math-defcache math-ln-2 math-approx-ln-2
   (math-ln-raw-3 (math-float '(frac 1 3))))