patch: comint advice

[Tyler Spivey <tspivey@xxxxxxxxxxx>]

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I think my patch will solve two issues:
1. New text isn't being read correctly after the buffer hits comint-buffer-maximum-size lines.
2. If comint-prompt-read-only is t, the text properties can't be added unless
inhibit-read-only is t.

I got the comint-last-output-start variable from a describe-variable on
comint-output-filter-functions.

Index: emacspeak-advice.el
===================================================================
- --- emacspeak-advice.el	(revision 5932)
+++ emacspeak-advice.el	(working copy)
@@ -999,7 +999,7 @@
 (defadvice comint-output-filter (around emacspeak pre act)
   "Make comint speak its output."
     (set-buffer (process-buffer (ad-get-arg 0)))
- -    (let ((prior (point ))
+    (let ((inhibit-read-only t)
           (monitor emacspeak-comint-output-monitor)
           (dtk-stop-immediately nil))
       ad-do-it
@@ -1019,7 +1019,7 @@
                       (get-buffer-window (process-buffer (ad-get-arg 0))))))
         (setq emacspeak-speak-comint-output nil)
         (condition-case nil
- -            (emacspeak-speak-region prior (point ))
+            (emacspeak-speak-region comint-last-output-start (point ))
           (error (emacspeak-auditory-icon 'scroll)
                  (dtk-stop ))))
       ad-return-value))
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