Add two items with solutions for Calc problems.

1 files changed, 258 insertions, 0 deletions

diff --git a/etc/PROBLEMS b/etc/PROBLEMS
index 8778f7e3132..16d2fc84404 100644
--- a/etc/PROBLEMS
+++ b/etc/PROBLEMS
@@ -220,6 +220,264 @@ longer used by Emacs.  These changes to PSGML 1.2.1 fix that.
 +    (setq after-change-functions '(sgml-set-face-after-change))
      )
 
+* The Calc package fails to build and signals errors with Emacs 21.
+
+Apply the following patches which reportedly fix several problems:
+
+--- calc-ext.el.~1~	Sun Apr  3 02:26:34 1994
++++ calc-ext.el	Wed Sep 18 17:35:01 1996
+@@ -1354,6 +1354,25 @@
+   (calc-fancy-prefix 'calc-inverse-flag "Inverse..." n)
+ )
+ 
++(defconst calc-fancy-prefix-map
++  (let ((map (make-sparse-keymap)))
++    (define-key map [t] 'calc-fancy-prefix-other-key)
++    (define-key map (vector meta-prefix-char t) 'calc-fancy-prefix-other-key)
++    (define-key map [switch-frame] nil)
++    (define-key map [?\C-u] 'universal-argument)
++    (define-key map [?0] 'digit-argument)
++    (define-key map [?1] 'digit-argument)
++    (define-key map [?2] 'digit-argument)
++    (define-key map [?3] 'digit-argument)
++    (define-key map [?4] 'digit-argument)
++    (define-key map [?5] 'digit-argument)
++    (define-key map [?6] 'digit-argument)
++    (define-key map [?7] 'digit-argument)
++    (define-key map [?8] 'digit-argument)
++    (define-key map [?9] 'digit-argument)
++    map)
++  "Keymap used while processing calc-fancy-prefix.")
++
+ (defun calc-fancy-prefix (flag msg n)
+   (let (prefix)
+     (calc-wrapper
+@@ -1364,6 +1383,8 @@
+      (message (if prefix msg "")))
+     (and prefix
+ 	 (not calc-is-keypad-press)
++	 (if (boundp 'overriding-terminal-local-map)
++	     (setq overriding-terminal-local-map calc-fancy-prefix-map)
+ 	 (let ((event (calc-read-key t)))
+ 	   (if (eq (setq last-command-char (car event)) ?\C-u)
+ 	       (universal-argument)
+@@ -1376,9 +1397,18 @@
+ 	     (if (or (not (integerp last-command-char))
+ 		     (eq last-command-char ?-))
+ 		 (calc-unread-command)
+-	       (digit-argument n))))))
++	       (digit-argument n)))))))
+ )
+ (setq calc-is-keypad-press nil)
++
++(defun calc-fancy-prefix-other-key (arg)
++  (interactive "P")
++  (if (or (not (integerp last-command-char))
++	  (and (>= last-command-char 0) (< last-command-char ? )
++	       (not (eq last-command-char meta-prefix-char))))
++      (calc-wrapper))  ; clear flags if not a Calc command.
++  (calc-unread-command)
++  (setq overriding-terminal-local-map nil))
+ 
+ (defun calc-invert-func ()
+   (save-excursion
+
+--- Makefile.~1~	Sun Dec 15 23:50:45 1996
++++ Makefile	Thu Nov 30 15:09:45 2000
+@@ -41,7 +41,7 @@
+ 
+ # Other macros.
+ EFLAGS   = -batch
+-MAINT	 = -l calc-maint.elc
++MAINT	 = -l calc-maint.el
+ 
+ # Control whether intermediate files are kept.
+ PURGE	 = -rm -f
+@@ -154,10 +154,7 @@
+ 
+ 
+ # All this because "-l calc-maint" doesn't work.
+-maint: calc-maint.elc
+-calc-maint.elc: calc-maint.el
+-	cp calc-maint.el calc-maint.elc
+-
++maint: calc-maint.el
+ 
+ # Create an Emacs TAGS file
+ tags: TAGS
+
+--- calc-aent.el.~1~	Sun Dec 15 23:50:36 1996
++++ calc-aent.el	Tue Nov 21 18:34:33 2000
+@@ -385,7 +385,7 @@
+ 	  (calc-minibuffer-contains
+ 	   "\\`\\([^\"]*\"[^\"]*\"\\)*[^\"]*\"[^\"]*\\'"))
+       (insert "`")
+-    (setq alg-exp (buffer-string))
++    (setq alg-exp (field-string))
+     (and (> (length alg-exp) 0) (setq calc-previous-alg-entry alg-exp))
+     (exit-minibuffer))
+ )
+@@ -393,14 +393,14 @@
+ 
+ (defun calcAlg-enter ()
+   (interactive)
+-  (let* ((str (buffer-string))
++  (let* ((str (field-string))
+ 	 (exp (and (> (length str) 0)
+ 		   (save-excursion
+ 		     (set-buffer calc-buffer)
+ 		     (math-read-exprs str)))))
+     (if (eq (car-safe exp) 'error)
+ 	(progn
+-	  (goto-char (point-min))
++	  (goto-char (field-beginning))
+ 	  (forward-char (nth 1 exp))
+ 	  (beep)
+ 	  (calc-temp-minibuffer-message
+@@ -455,14 +455,14 @@
+   (interactive)
+   (if (calc-minibuffer-contains ".*[@oh] *[^'m ]+[^'m]*\\'")
+       (calcDigit-key)
+-    (setq calc-digit-value (buffer-string))
++    (setq calc-digit-value (field-string))
+     (exit-minibuffer))
+ )
+ 
+ (defun calcDigit-edit ()
+   (interactive)
+   (calc-unread-command)
+-  (setq calc-digit-value (buffer-string))
++  (setq calc-digit-value (field-string))
+   (exit-minibuffer)
+ )
+ 
+--- calc.el.~1~	Sun Dec 15 23:50:47 1996
++++ calc.el	Wed Nov 22 13:08:49 2000
+@@ -2051,11 +2051,11 @@
+   ;; Exercise for the reader:  Figure out why this is a good precaution!
+   (or (boundp 'calc-buffer)
+       (use-local-map minibuffer-local-map))
+-  (let ((str (buffer-string)))
++  (let ((str (field-string)))
+     (setq calc-digit-value (save-excursion
+ 			     (set-buffer calc-buffer)
+ 			     (math-read-number str))))
+-  (if (and (null calc-digit-value) (> (buffer-size) 0))
++  (if (and (null calc-digit-value) (> (field-end) (field-beginning)))
+       (progn
+ 	(beep)
+ 	(calc-temp-minibuffer-message " [Bad format]"))
+@@ -2071,7 +2071,7 @@
+ 
+ (defun calc-minibuffer-contains (rex)
+   (save-excursion
+-    (goto-char (point-min))
++    (goto-char (field-end (point-min)))
+     (looking-at rex))
+ )
+ 
+@@ -2158,10 +2158,8 @@
+ 					  (upcase last-command-char))))
+ 				(and dig
+ 				     (< dig radix)))))))
+-	      (save-excursion
+-		(goto-char (point-min))
+-         	(looking-at
+-		 "[-+]?\\(.*\\+/- *\\|.*mod *\\)?\\([0-9]+\\.?0*[@oh] *\\)?\\([0-9]+\\.?0*['m] *\\)?[0-9]*\\(\\.?[0-9]*\\(e[-+]?[0-3]?[0-9]?[0-9]?[0-9]?[0-9]?[0-9]?[0-9]?\\)?\\|[0-9]:\\([0-9]+:\\)?[0-9]*\\)?[\"s]?\\'")))
++	      (calc-minibuffer-contains
++		 "[-+]?\\(.*\\+/- *\\|.*mod *\\)?\\([0-9]+\\.?0*[@oh] *\\)?\\([0-9]+\\.?0*['m] *\\)?[0-9]*\\(\\.?[0-9]*\\(e[-+]?[0-3]?[0-9]?[0-9]?[0-9]?[0-9]?[0-9]?[0-9]?\\)?\\|[0-9]:\\([0-9]+:\\)?[0-9]*\\)?[\"s]?\\'"))
+ 	  (if (and (memq last-command-char '(?@ ?o ?h ?\' ?m))
+ 		   (string-match " " calc-hms-format))
+ 	      (insert " "))
+@@ -2190,7 +2188,7 @@
+ 	((eq last-command 'calcDigit-start)
+ 	 (erase-buffer))
+ 	(t (backward-delete-char 1)))
+-  (if (= (buffer-size) 0)
++  (if (= (field-beginning) (field-end))
+       (progn
+ 	(setq last-command-char 13)
+ 	(calcDigit-nondigit)))
+
+* TeX'ing the Calc manual fails.
+
+The following patches allow to build the Calc manual using texinfo.tex
+from Emacs 19.34 distribution:
+
+*** calc-maint.e~0	Mon Dec 16 07:11:26 1996
+--- calc-maint.el	Sun Dec 10 14:32:38 2000
+***************
+*** 308,314 ****
+      (insert "@tex\n"
+  	    "\\global\\advance\\appendixno2\n"
+  	    "\\gdef\\xref#1.{See ``#1.''}\n")
+!     (setq midpos (point))
+      (insert "@end tex\n")
+      (insert-buffer-substring srcbuf sumpos endpos)
+      (insert "@bye\n")
+--- 308,314 ----
+      (insert "@tex\n"
+  	    "\\global\\advance\\appendixno2\n"
+  	    "\\gdef\\xref#1.{See ``#1.''}\n")
+!     (setq midpos (point-marker))
+      (insert "@end tex\n")
+      (insert-buffer-substring srcbuf sumpos endpos)
+      (insert "@bye\n")
+*** Makefile.~0	Mon Dec 16 07:11:24 1996
+--- Makefile	Sun Dec 10 14:44:00 2000
+***************
+*** 98,106 ****
+  # Format the Calc manual as one printable volume using TeX.
+  tex:
+  	$(REMOVE) calc.aux
+! 	$(TEX) calc.texinfo
+  	$(TEXINDEX) calc.[cfkptv]?
+! 	$(TEX) calc.texinfo
+  	$(PURGE) calc.cp calc.fn calc.pg calc.tp calc.vr
+  	$(PURGE) calc.cps calc.fns calc.kys calc.pgs calc.tps calc.vrs
+  	$(PURGE) calc.toc
+--- 98,106 ----
+  # Format the Calc manual as one printable volume using TeX.
+  tex:
+  	$(REMOVE) calc.aux
+! 	-$(TEX) calc.texinfo
+  	$(TEXINDEX) calc.[cfkptv]?
+! 	-$(TEX) calc.texinfo
+  	$(PURGE) calc.cp calc.fn calc.pg calc.tp calc.vr
+  	$(PURGE) calc.cps calc.fns calc.kys calc.pgs calc.tps calc.vrs
+  	$(PURGE) calc.toc
+*** calc.texinfo.~1~	Thu Oct 10 18:18:56 1996
+--- calc.texinfo	Mon Dec 11 08:25:00 2000
+***************
+*** 12,17 ****
+--- 12,19 ----
+  % Because makeinfo.c exists, we can't just define new commands.
+  % So instead, we take over little-used existing commands.
+  %
++ % Suggested by Karl Berry <karl@@freefriends.org>
++ \gdef\!{\mskip-\thinmuskip}
+  % Redefine @cite{text} to act like $text$ in regular TeX.
+  % Info will typeset this same as @samp{text}.
+  \gdef\goodtex{\tex \let\rm\goodrm \let\t\ttfont \turnoffactive}
+***************
+*** 23686,23692 ****
+  a vector of the actual parameter values, written as equations:
+  @cite{[a = 3, b = 2]}, in case you'd rather read them in a list
+  than pick them out of the formula.  (You can type @kbd{t y}
+! to move this vector to the stack; @pxref{Trail Commands})
+  
+  Specifying a different independent variable name will affect the
+  resulting formula: @kbd{a F 1 k RET} produces @kbd{3 + 2 k}.
+--- 23689,23695 ----
+  a vector of the actual parameter values, written as equations:
+  @cite{[a = 3, b = 2]}, in case you'd rather read them in a list
+  than pick them out of the formula.  (You can type @kbd{t y}
+! to move this vector to the stack; see @ref{Trail Commands}.)
+  
+  Specifying a different independent variable name will affect the
+  resulting formula: @kbd{a F 1 k RET} produces @kbd{3 + 2 k}.
+
+
 * On systems with shared libraries you might encounter run-time errors
 from the dynamic linker telling you that it is unable to find some
 shared libraries, for instance those for Xaw3d or image support.