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MathGroup Archive 2005

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Re: Re: Why does mathematica randomly rewrite notebooks?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg54941] Re: [mg54907] Re: Why does mathematica randomly rewrite notebooks?
  • From: DrBob <drbob at bigfoot.com>
  • Date: Mon, 7 Mar 2005 02:10:25 -0500 (EST)
  • References: <d09cbf$cvv$1@smc.vnet.net> <200503060555.AAA25151@smc.vnet.net>
  • Reply-to: drbob at bigfoot.com
  • Sender: owner-wri-mathgroup at wolfram.com

>> ShowShortBoxForm, which I always set to False

That seems to be the default already, in my installation.

A related option, ShortBoxForm->False, was one of the measures recommended to me two or three years ago, when I was getting corrupted notebooks after upgrading to 4.2.

I'm puzzled the setting has endured to the present version, however, with no attention from me.

Bobby

On Sun, 6 Mar 2005 00:55:57 -0500 (EST), David Bailey <dave at Remove_Thisdbailey.co.uk> wrote:

> Josef Karthauser wrote:
>> I'm trying to manage mathematica notebooks in a revision control system
>> and it is really bugging me that mathematica writes notebooks with
>> trivial changes seemingly randomly.  Does anyone know why?
>>
>> Here's an example:
>>
>> @@ -860,7 +862,7 @@
>>      \(Tuu[i, j] Xd[j] // ToFlavor[natbasis]\), "\n",
>>      \(\(\(% /.
>>        x : Xd[_] \[RuleDelayed] \(TransformIndexFlavor[
>> -            natbasis, {\[Lambda]form}]\)[x]\)\(\n\)\(\[IndentingNewLine]\)
>> +            natbasis, {\[Lambda]form}]\)[x]\)\(\[IndentingNewLine]\)\(\n\)
>>      \) (*\[IndentingNewLine]\(% // SumExpansion[natbasis /@ {i, j}]\) //
>>          SumExpansion[\[Lambda]form[k]]\[IndentingNewLine]%%\[IndentingNewLine]*) \), "\
>>
>> The line starting with '-' shows what was there, and the line starting
>> with '+' shows that change that mathematica made at the last save.
>>
>> Notice the at the order of the \n and the IndentingNewLine have been
>> reversed.  This appears to happen at random.
>>
>> WRI, is there anything I can do to prevent this, or is it a bug/feature?
>>
>> Joe
>> --
>> Josef Karthauser (joe at tao.org.uk)	       http://www.josef-k.net/
>> FreeBSD (cvs meister, admin and hacker)     http://www.uk.FreeBSD.org/
>> Physics Particle Theory (student)   http://www.pact.cpes.sussex.ac.uk/
> I am not sure if this will fix your problem, but there is a global
> option ShowShortBoxForm, which I always set to False. In that state,
> notebooks are written with normal RowBox notation rather than using the
> backslash notation for everything. If you are going to read the
> notebooks with anything other than Mathematica (which you are) this is a
> great help.
>
> I don't suppose notebooks were really designed with revision control in
> mind. I don't know if anyone has explored the idea at all, but I think
> there are a lot of issues here. For example, if you are going to run
> difference comparisons between different versions of a notebook, that is
> going to be really hard to read! Perhaps there is a project for someone
> here!
>
> David Bailey
> dbaileyconsultancy.co.uk
>
>
>
>



-- 
DrBob at bigfoot.com
www.eclecticdreams.net


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