Re: [NTG-context] Offset MP text with font change

2013-04-28 Thread Hans Hagen

On 4/29/2013 12:42 AM, Keith J. Schultz wrote:

Hi Marco, All,

agreed you can avoid the spaces by putting the usetypescript in the "preamble",
but should not the loading of a typescript not bleed any spaces!


it's not the typescript that has the space but the file ... a typescript 
file can have more than typescripts like definitions, documentation, etc.


In the past, one *always* had to load a typescript file explicitly but 
at some point - out of convenience - the \setupbodyfont mechanism has 
been extended to automatically load a typescriptfile with the same name 
as the requested bodyfont. So, it's the price paid for convenience. And, 
in most cases a bodyfont is not initialized in a \hbox.



regards
Keith.

Am 28.04.2013 um 22:03 schrieb Marco Patzer :


On 2013–04–28 Keith J. Schultz wrote:


can someone explain to me why loading a file/typescript is
producing spaces


The typescripts themselves are full of spaces and new lines. And you
really want those spaces for readability. TeX usually squashes
multiple spaces into one, but spaces still matter in many
circumstances, e.g. within an \hbox.


If the code that does load the file/s produced spaces for
debugging purposes that is fine, but should not they actually
going somewhere else?


There's no code that produces spaces. The spaces are in the
typescript file.


Personally, I find it a bug if loading fonts or other files
produces extraneous  characters!


This is usually not a problem, since typescripts are loaded in the
setup area. Even when loaded within the text area the spaces don't
cause problems. Loading an entire file within a box, like I did in
the example, is an unusual edge-case and there's a simple
workaround, see Wolfgangs answer.

Except if there's an easy fix for that, I'm personally fine knowing
where the spaces are coming from and how to prevent them, which I do
now.


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Re: [NTG-context] Offset MP text with font change

2013-04-28 Thread Keith J. Schultz
Hi Marco, All,

agreed you can avoid the spaces by putting the usetypescript in the "preamble",
but should not the loading of a typescript not bleed any spaces!

regards
Keith.

Am 28.04.2013 um 22:03 schrieb Marco Patzer :

> On 2013–04–28 Keith J. Schultz wrote:
> 
>> can someone explain to me why loading a file/typescript is
>> producing spaces
> 
> The typescripts themselves are full of spaces and new lines. And you
> really want those spaces for readability. TeX usually squashes
> multiple spaces into one, but spaces still matter in many
> circumstances, e.g. within an \hbox.
> 
>> If the code that does load the file/s produced spaces for
>> debugging purposes that is fine, but should not they actually
>> going somewhere else?
> 
> There's no code that produces spaces. The spaces are in the
> typescript file.
> 
>> Personally, I find it a bug if loading fonts or other files
>> produces extraneous  characters!
> 
> This is usually not a problem, since typescripts are loaded in the
> setup area. Even when loaded within the text area the spaces don't
> cause problems. Loading an entire file within a box, like I did in
> the example, is an unusual edge-case and there's a simple
> workaround, see Wolfgangs answer.
> 
> Except if there's an easy fix for that, I'm personally fine knowing
> where the spaces are coming from and how to prevent them, which I do
> now.
> 
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Re: [NTG-context] Offset MP text with font change

2013-04-28 Thread Hans Hagen

On 4/28/2013 10:03 PM, Marco Patzer wrote:


This is usually not a problem, since typescripts are loaded in the
setup area. Even when loaded within the text area the spaces don't
cause problems. Loading an entire file within a box, like I did in
the example, is an unusual edge-case and there's a simple
workaround, see Wolfgangs answer.


normally it only matters in hmode

when you \usetypescriptfile[iwona] outside the macro the definitions get 
preloaded in memory ; in fact, each typescript eventually gets cached


typescripts are loaded under a newline restricted regime but that 
doesn't always prevent spaces creeping in (like those before comments)


\definetextext
  [foo]
  [#1]#2{\switchtobodyfont[#1]\removeunwantedspaces#2}

and moving all to lua is no option now (although ... in 
antykwapoltawskiego.lfg one can see how such a thing can be done)


Hans

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Re: [NTG-context] Offset MP text with font change

2013-04-28 Thread Marco Patzer
On 2013–04–28 Keith J. Schultz wrote:

> can someone explain to me why loading a file/typescript is
> producing spaces

The typescripts themselves are full of spaces and new lines. And you
really want those spaces for readability. TeX usually squashes
multiple spaces into one, but spaces still matter in many
circumstances, e.g. within an \hbox.

> If the code that does load the file/s produced spaces for
> debugging purposes that is fine, but should not they actually
> going somewhere else?

There's no code that produces spaces. The spaces are in the
typescript file.

> Personally, I find it a bug if loading fonts or other files
> produces extraneous  characters!

This is usually not a problem, since typescripts are loaded in the
setup area. Even when loaded within the text area the spaces don't
cause problems. Loading an entire file within a box, like I did in
the example, is an unusual edge-case and there's a simple
workaround, see Wolfgangs answer.

Except if there's an easy fix for that, I'm personally fine knowing
where the spaces are coming from and how to prevent them, which I do
now.


Marco


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Re: [NTG-context] Offset MP text with font change

2013-04-28 Thread Wolfgang Schuster

Am 28.04.2013 um 20:37 schrieb Marco Patzer :

> On 2013–04–28 Wolfgang Schuster wrote:
> 
>> Am 28.04.2013 um 19:56 schrieb Marco Patzer :
>> 
>>> Hi,
>>> 
>>> why is the second line right-aligned in the following example?
>> 
>> 
>> The first you use the iwona font in your document context has to load the 
>> typescript
>> for it from a external files which produces a lot of spaces in the text.
> 
> Thanks Wolfgang. It's obvious when you think about it, but still
> unexpected. Here's a more minimal example:
> 
> \usetypescriptfile[iwona]
> \starttext
>  \hbox{before \usetypescript[iwona] after}
> \stoptext

The problem the same as here:

\starttext
\ruledhbox{ \def\test{} A}
\stoptext

Wolfgang
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Re: [NTG-context] Offset MP text with font change

2013-04-28 Thread Keith J. Schultz
Hi All,

can someone explain to me why loading a file/typescript is producing spaces

If the code that does load the file/s produced spaces for debugging purposes 
that is
fine, but should not they actually going somewhere else? Then with a decent 
message!?

Personally, I find it a bug if loading fonts or other files produces extraneous 
 characters!

regards
Keith.

Am 28.04.2013 um 20:04 schrieb Wolfgang Schuster :

> 
> Am 28.04.2013 um 19:56 schrieb Marco Patzer :
> 
>> Hi,
>> 
>> why is the second line right-aligned in the following example?
> 
> 
> The first you use the iwona font in your document context has to load the 
> typescript
> for it from a external files which produces a lot of spaces in the text. When 
> you load
> the font at the begin of the document with
> 
>  \usetypescriptfile[iwona]
>  \usetypescript[iwona]
> 
> this doesn’t happen anymore.

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Re: [NTG-context] Offset MP text with font change

2013-04-28 Thread Marco Patzer
On 2013–04–28 Wolfgang Schuster wrote:

> Am 28.04.2013 um 19:56 schrieb Marco Patzer :
> 
> > Hi,
> > 
> > why is the second line right-aligned in the following example?
> 
> 
> The first you use the iwona font in your document context has to load the 
> typescript
> for it from a external files which produces a lot of spaces in the text.

Thanks Wolfgang. It's obvious when you think about it, but still
unexpected. Here's a more minimal example:

\usetypescriptfile[iwona]
\starttext
  \hbox{before \usetypescript[iwona] after}
\stoptext

Marco


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Re: [NTG-context] Offset MP text with font change

2013-04-28 Thread Wolfgang Schuster

Am 28.04.2013 um 19:56 schrieb Marco Patzer :

> Hi,
> 
> why is the second line right-aligned in the following example?


The first you use the iwona font in your document context has to load the 
typescript
for it from a external files which produces a lot of spaces in the text. When 
you load
the font at the begin of the document with

  \usetypescriptfile[iwona]
  \usetypescript[iwona]

this doesn’t happen anymore.

Wolfgang
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[NTG-context] Offset MP text with font change

2013-04-28 Thread Marco Patzer
Hi,

why is the second line right-aligned in the following example?

\definetextext
  [foo]
  [#1]#2{\switchtobodyfont[#1]#2}

\starttext
  \dorecurse{5}{
\startMPcode
  draw \sometxt[foo][sans]{FooBar};
\stopMPcode
\startMPcode
  draw \sometxt[foo][iwona]{FooBar};
\stopMPcode}
\stoptext


Marco


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