Changes have been made in Git (master):

commit d98056759724f8d5e94a98038f61f7177e823c5f
Author: Paul M Jones <pmjones@ciaweb.net>
Date:   Mon May 30 13:37:47 2005 +0000

     fixed bug 4474 to silence calls to htmlentities and htmlspecialchars so
     that errors about charsets don't pop up, per counsel from Jan at Horde.


     git-svn-id: 
https://svn.php.net/repository/pear/packages/Text_Wiki/trunk@187320 
c90b9560-bf6c-de11-be94-00142212c4b1

  Text/Wiki/Render/Xhtml.php | 12 ++++++++----
  1 file changed, 8 insertions(+), 4 deletions(-)

http://github.com/horde/horde/commit/d98056759724f8d5e94a98038f61f7177e823c5f

Committed, thanks.

We found a case in which our patch failed: Internet Explorer in HTML 
mode. We again simplified the targetValue function in 
imp/js/SpellChecker.js from:



     targetValue: function(value)

     {

         if (value) {

             this.input.innerHTML = value;

             this.input.value = value;

         }

         return (typeof this.input.value == 'undefined') ? 
this.input.innerHTML : this.input.value;

     },



to:



     targetValue: function(value)

     {

         if (value) {

             this.input.value = value;

             return;

         }

         return (typeof this.input.value == 'undefined') ? 
this.input.innerHTML : this.input.value;

     },



to correctly handle Internet Explorer in both plain text and HTML mode 
(Windows only), Firefox in both plain text and HTML mode (Windows and 
OS X), and Safari plain text mode (OS X).

Works for me. Committed, thanks.

We found that simplifying the targetValue function in

imp/js/SpellChecker.js from:



     targetValue: function(value)

     {

         // Ensure we have the correct input.

         this.input = $(this.target);



         if (value) {

             if (typeof this.input.value == 'undefined') {

                 this.input.innerHTML = value;

             } else {

                 this.input.value = value;

             }

         }

         return (typeof this.input.value == 'undefined') ? 
this.input.innerHTML : this.input.value;

     },



to:



     targetValue: function(value)

     {

         if (value) {

             this.input.innerHTML = value;

             this.input.value = value;

         }

         return (typeof this.input.value == 'undefined') ? 
this.input.innerHTML : this.input.value;

     },





solved the problem for Safari without breaking any of the other 
browsers we tested.

Unfortunately, I don't have access to a mac.

Confirmed

Once completed spell checking a message on the Safari browser, 
clicking on "Resume Editing" erases the entire message.