Re: [NTG-context] environment files and indenting

[Taco Hoekwater]

Sanjoy Mahajan wrote:
>>The overfull box is caused by a strut. It is easily removed by
>>  \def\verticalstrut{\normalvbox {\hsize \zeropoint \noindent\strut }}
> 
> 
> Easily removed, but not so easily found!  Thanks, that fixes it.
> Looking at the standard definition of \verticalstrut (in
> core-spa.tex):
> 
>   \def\verticalstrut  {\normalvbox{\hsize\zeropoint\strut}}
> 
> your fix adds a \noindent.  Is that a general solution (e.g. for a
> subsequent release) or does it have side effects?

The release I just announced fixes the problem by using \forgetall
instead of \noindent. Side-effect do not matter because any effects
will stay local to the \normalvbox, and that is left right away.

Cheers, Taco
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Re: [NTG-context] environment files and indenting

[Sanjoy Mahajan]

> The overfull box is caused by a strut. It is easily removed by
>   \def\verticalstrut{\normalvbox {\hsize \zeropoint \noindent\strut }}

Easily removed, but not so easily found!  Thanks, that fixes it.
Looking at the standard definition of \verticalstrut (in
core-spa.tex):

  \def\verticalstrut  {\normalvbox{\hsize\zeropoint\strut}}

your fix adds a \noindent.  Is that a general solution (e.g. for a
subsequent release) or does it have side effects?

-Sanjoy

`Never underestimate the evil of which men of power are capable.'
 --Bertrand Russell, _War Crimes in Vietnam_, chapter 1.
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Re: [NTG-context] environment files and indenting

[Taco Hoekwater]

Sanjoy Mahajan wrote:
> So that leaves the original problem, which is why the hbox is overfull
> in this minimal file (that produces a PDF!):

The overfull box is caused by a strut. It is easily removed by

   \def\verticalstrut
   {\normalvbox {\hsize \zeropoint \noindent\strut }}

Taco
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Re: [NTG-context] environment files and indenting

[Sanjoy Mahajan]

> And also no PDF, because \stopenvironment executes \endinput :-)

Whoops!  I'd been testing so many variants in order to find the
minimal file and had outsourced the checking to 'grep hbox' (rather
than reading through the texexec output by hand).  So I didn't even
notice the lack of a PDF file.

So that leaves the original problem, which is why the hbox is overfull
in this minimal file (that produces a PDF!):

\setupindenting[medium,yes]
\starttext
\placeformula\startformula
x = 10
\stopformula
\stoptext
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Re: [NTG-context] environment files and indenting

[Taco Hoekwater]

Sanjoy Mahajan wrote:
> But if I inline the environment file, to get
> 
> \startenvironment ne
> \setupindenting[medium,yes]
> \stopenvironment
> \starttext
> \placeformula\startformula
> x = 10
> \stopformula
> \stoptext
> 
> then texexec doesn't produce any overfull \hbox.

And also no PDF, because \stopenvironment executes \endinput :-)

Taco
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[NTG-context] environment files and indenting

[Sanjoy Mahajan]

Not sure what I'm doing wrong here, but this is the minimal example I
could make.  The environment file ne.tex contains

\startenvironment ne
\setupindenting[medium,yes]
\stopenvironment

And the test file is

\environment ne
\starttext
\placeformula\startformula
x = 10
\stopformula
\stoptext

texexec'ing test.tex says:

Overfull \hbox (17.62474pt too wide) in paragraph at lines 4--4
[][] 

But if I inline the environment file, to get

\startenvironment ne
\setupindenting[medium,yes]
\stopenvironment
\starttext
\placeformula\startformula
x = 10
\stopformula
\stoptext

then texexec doesn't produce any overfull \hbox.

My guess is that the 17.6247pt overage is the amount of medium
indenting, and somehow the display math mode is getting confused and
trying to indent itself?

-Sanjoy
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