Algebra debug page is not usable

Using a server with a working mimetex binary Enable both Algebra and TeX filters In TeX notation settings set latex and mimetex binaries to nonexistant file names so Algebra image generation fails Create algebra expression in profile, course or forum (e.g. @@ 1/2x @@). Create another one which is invalid algebra code (e.g. @@ x+) @@) Verify that algebra is converted to link with TeX code (e.g. \frac {1} {2} \,x) Invalid example should display syntax error As non admin user click link and verify popup with TeX code appears As admin user click link to open algebra debug script Type the invalid algebra example used above into the box Click Show Cache button and verify that information in cache is displayed Click Delete Cache and Show Cache again and verify it is deleted. Click both First and Second TeX Translation buttons to show TeX code Click Show image to display mimetexnotexecutable error Correct TeX notation setting for mimetex Reload Show image to display and verify the image is displayed (if not check texdebug.php to verify mimetex is working) Log out in another browser window and verify attempt an action results in session key error Click link and verify popup with TeX code appears for both admin and non admin users. Go back to filter/algebradebug.php script and verify that non admin gets error and admin sees debug script. Type in expression and verify buttons all work and that image is now displayed. Create and invalid TeX expression and save e.g.   $$\blah$${code} View as non admin. Code with link should be displayed. Link should display popup with TeX code. View as admin. Clicking code link should open debug page. Test all actions Logoff in separate window and verify action result in sesskey error.