Notebook bugs for bug day 12

I have put a bundle against 3.0.1 of everything below here:

• http://sage.math.washington.edu/home/was/patches/bugday12.hg

  • (done; invalid) [http://trac.sagemath.org/sage_trac/ticket/245 #245: [kitchen sink] a bunch of random notebook improvement ideas]

  • (done; needs nontrivial review) [http://trac.sagemath.org/sage_trac/ticket/336 #336 Create an option to clear all cell output]

  • (done; needs easy review) [http://trac.sagemath.org/sage_trac/ticket/2636 #2636: #2636: changing a cell without evaluate should put the red line back to the left]

  • (done; already fixed a while ago) [http://trac.sagemath.org/sage_trac/ticket/408 #408: Notebook glitch in Safari]

  • (done; patch ready for review) [http://trac.sagemath.org/sage_trac/ticket/1230 #1230: Quit worksheet behaviour]

  • (done; already done before) [http://trac.sagemath.org/sage_trac/ticket/1351 #1351: notebook -- for person users admin is usually the only user -- in such ...]

  • (done; needs trivial review) [http://trac.sagemath.org/sage_trac/ticket/1557 #1557: notebook -- usability improvement after uploading file]

  • (closed; can't replicate anymore) [http://trac.sagemath.org/sage_trac/ticket/2605 #2605: Notebook tab-backspace-(shift enter) gives bug]

  • (done; important significant patch) [http://trac.sagemath.org/sage_trac/ticket/406 #406: notebook -- improve support for other system modes]

  • (done; fixed; easy to referee) [http://trac.sagemath.org/sage_trac/ticket/1733 #1733: notebook bug -- %foo (or anything else) in a cell by itself (with nothing ...]

  • (done; dupe of #336) [http://trac.sagemath.org/sage_trac/ticket/2118 #2118 "Delete all output" function on notebook] (dup of #336?)

  • (done; with patch now) [http://trac.sagemath.org/sage_trac/ticket/3008 #3008: first cell in notebook is undeletable]

  • (done; easy) [http://trac.sagemath.org/sage_trac/ticket/3136 #3136: the readme for osx should be changed to delete the line about inotebook()]

  • (done; patch posted) [http://trac.sagemath.org/sage_trac/ticket/3053 #3053: notebook -- new cell_resize doesn't respect %hide at the beginning of a ...]

  • (done with help from jason grout) [http://trac.sagemath.org/sage_trac/ticket/3121 Finalize #3121]

  • (done; patch that needs review) [http://trac.sagemath.org/sage_trac/ticket/637 #637: notebook improvement -- upload allow txt worksheets.]

  • (closed as invalid since NOBODY else observed the same thing, so it's unfixable by anybody by Jaap) [http://trac.sagemath.org/sage_trac/ticket/2935 #2935: notebook: internal server error sage-3.0.alpha5] (possibly close as invalid)

  • (patch posted; needs review) [http://trac.sagemath.org/sage_trac/ticket/2992 #2992: notebook -- help(foo) in the notebook should not word wrap]

  • [http://trac.sagemath.org/sage_trac/ticket/1498 #1498: notebook -- bug in keeping track of date of last edit of worksheets maybe]

  • (closed as invalid; new ticket opened for "delete published worksheets" enhancement item) [http://trac.sagemath.org/sage_trac/ticket/1751 #1751: Notebook revision information leakage]

  • (done; with easy to referee patch) [http://trac.sagemath.org/sage_trac/ticket/1864 #1864: simple notebook bug -- typing ? in a comment yields introspection but ...]

  • (done; fixed a few weeks ago as part of js.py cleanup) [http://trac.sagemath.org/sage_trac/ticket/1865 #1865: notebook -- after restart output of first evaluation is not displayed] (I think I already fixed this!)

  • (done; very easy patch) [http://trac.sagemath.org/sage_trac/ticket/1892 #1892: notebook -- uploading a data file should give some help about the DATA ...]

  • (done; turns out to be already fixed) [http://trac.sagemath.org/sage_trac/ticket/2496 #2496: bug in introspection (probably easy to fix)]

  • (done; closed since it seems to be fixed and is impossible to replicate) [http://trac.sagemath.org/sage_trac/ticket/2278 #2278 notebook -- when uploading a new worksheet be sure to set the permissions]

  • (done; yi's advice worked well; plus a bonus of fixing "control-c twice to quit") [http://trac.sagemath.org/sage_trac/ticket/2359 #2359: notebook -- make it so when you send a kill signal to the notebook server ...]

  • (done; patch posted awaiting review) [http://trac.sagemath.org/sage_trac/ticket/2860 #2860: #2860: easy-to-fix bug in html.py]

  • (done; it's a dupe) [http://trac.sagemath.org/sage_trac/ticket/3147 #3147: "Quit Worksheet" in notebook doesn't seem to work anymore]

  • (done; interesting but easy patch) [http://trac.sagemath.org/sage_trac/ticket/3024 #3024: notebook -- parses tracebacks in the output of docstrings of help command (see #2992 below also)]

  • (done; seems completely invalid. I shouldn't have reported this in the first place without checking it) [http://trac.sagemath.org/sage_trac/ticket/3139 #3139: typos in notebook tutorial in typesetting of sage_notebook]

  • (done; a surprisingly easy 1-liner that stumped me for a while) [http://trac.sagemath.org/sage_trac/ticket/2884 #2884: notebook -- bug; @interact cell eval doesn't clear out the old html output ...]

  • (done; surprisingly easy to fix) [http://trac.sagemath.org/sage_trac/ticket/3069 #3069: notebook -- typeset checkbox doesn't work after save/reload]

  • (done; it works) [http://trac.sagemath.org/sage_trac/ticket/2926 #2926: [with patch; needs review] notebook -- Minimalistic change password page ...(referee this patch)]