Weird self-fixing problem with cell styles
- To: mathgroup at smc.vnet.net
- Subject: [mg95391] Weird self-fixing problem with cell styles
- From: Christopher Henrich <chenrich at monmouth.com>
- Date: Sat, 17 Jan 2009 05:30:22 -0500 (EST)
I was working on a Mathematica notebook when I suddenly found that I
could not use the different cell styles. (Section, Subsection, Tex,
Input, etc.) Several thins seemed broken:
1. On the toolbar, there is a popup menu for selecting a style; it was
empty - no choices.
2. The menu item Format > Style offered only one choice : "Other..."
3. The menu item Format > Screen Environment was disabled (grayed out).
I blundered around trying to find an option that referred to cell
styles. In desperation I changed the Style Sheet, and changed it right
And that fixed all the symptoms.
I felt that I had been acting out an AI Koan, from that fine old (!!)
book _The New Hacker's Dictionary_, p. 404:
"A novice was trying to fix a broken Lisp machine by turning the
power off and on.
"Knight, seeing what the student was doing, spoke sternly. 'You
cannot fix a machine by just power-cycling it with no understanding of
what is going wrong.'
"Knight turned the machine off and on.
"The machine worked."
I have an Apple Power PC running Mac OS X version 10.5.5; and
Mathematica 22.214.171.124. My notebook and stylesheet were originally written
with an older version, but I think they have been kept up to date as
So what happened? And am I Knight, or am I the novice?
Christopher J. Henrich
chenrich at monmouth.com
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