* calc/calc-ext.el (calc-init-extensions): Autoload `calc-l-prefix-help'

instead of `calc-ul-prefix-help'.

* calc/calc-math.el (calcFunc-log10): Don't signal an error in symbolic
mode.

* calc/calc-vec.el (calcFunc-subscr): Don't do anything if the first
argument is a variable.

lisp/ChangeLog

@@ -1,3 +1,14 @@
+2011-02-27  Jay Belanger  <jay.p.belanger@gmail.com>
+
+	* calc/calc-ext.el (calc-init-extensions):
+	Autoload `calc-l-prefix-help' instead of `calc-ul-prefix-help'.
+
+	* calc/calc-math.el (calcFunc-log10): Don't signal an error in
+	symbolic mode.
+
+	* calc/calc-vec.el (calcFunc-subscr): Return nil if the first
+	argument is a variable.
+
 2011-02-26  Stefan Monnier  <monnier@iro.umontreal.ca>
 
 	* emacs-lisp/assoc.el: Remove misleading `sort' (bug#8126).

lisp/calc/calc-ext.el

@@ -1061,7 +1061,7 @@ calc-full-help calc-g-prefix-help calc-help-prefix
 calc-hyperbolic-prefix-help calc-inv-hyp-prefix-help calc-option-prefix-help
 calc-inverse-prefix-help calc-j-prefix-help calc-k-prefix-help
 calc-m-prefix-help calc-r-prefix-help calc-s-prefix-help
-calc-t-prefix-help calc-u-prefix-help calc-ul-prefix-help
+calc-t-prefix-help calc-u-prefix-help calc-l-prefix-help
 calc-v-prefix-help)
 
  ("calc-incom" calc-begin-complex calc-begin-vector calc-comma

lisp/calc/calc-math.el

@@ -1574,7 +1574,7 @@ If this can't be done, return NIL."
 	 (if calc-infinite-mode
 	     '(neg (var inf var-inf))
 	   (math-reject-arg x "*Logarithm of zero")))
-	(calc-symbolic-mode (signal 'inexact-result nil))
+        ;;(calc-symbolic-mode (signal 'inexact-result nil))
 	((Math-numberp x)
 	 (math-with-extra-prec 2
 	   (let ((xf (math-float x)))

lisp/calc/calc-vec.el

@@ -759,6 +759,7 @@
 	  (math-reject-arg n "*Index out of range")))))
 
 (defun calcFunc-subscr (mat n &optional m)
+  (if (eq (car-safe mat) 'var) nil)
   (setq mat (calcFunc-mrow mat n))
   (if m
       (if (math-num-integerp n)