Re: [NTG-context] Side figure bug in mkiv?
Alan Braslau schrieb am 19.07.2019 um 16:06:
On Fri, 19 Jul 2019 13:52:37 +0200
Wolfgang Schuster wrote:
Henri Menke schrieb am 18.07.2019 um 23:29:
For what it's worth, the MKIV way to switch to bold face is
\bold{text} instead of {\bf text} but it also doesn't fix your
problem because neither of the two start a new paragraph before the
first letter and therefore \the\everypar is still inside a group.
The normal switch to use bold style is \bf and \bold{...} (or {\bold
...}) is only a alternative
switch which uses \bf to change the font. The same applies to
\italic{...}, \mono{...} etc.
BUT, \bold{...}, \italic{...} export (to xhtml, etc.)
whereas {\bf ...}, {\it ...} do not.
Are you sure?
Also, \setuphighlight [emphasis] [style=bold] and
\emphasis{...}
is a *functionally* better way of formatting text.
It depends on the document size, for a simple letter \bf etc. is enough but
for a bigger document it make sense.
Wolfgang
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Re: [NTG-context] Side figure bug in mkiv?
On Fri, 19 Jul 2019 13:52:37 +0200
Wolfgang Schuster wrote:
> Henri Menke schrieb am 18.07.2019 um 23:29:
> > For what it's worth, the MKIV way to switch to bold face is
> > \bold{text} instead of {\bf text} but it also doesn't fix your
> > problem because neither of the two start a new paragraph before the
> > first letter and therefore \the\everypar is still inside a group.
> The normal switch to use bold style is \bf and \bold{...} (or {\bold
> ...}) is only a alternative
> switch which uses \bf to change the font. The same applies to
> \italic{...}, \mono{...} etc.
BUT, \bold{...}, \italic{...} export (to xhtml, etc.)
whereas {\bf ...}, {\it ...} do not.
Also, \setuphighlight [emphasis] [style=bold] and
\emphasis{...}
is a *functionally* better way of formatting text.
Alan
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Re: [NTG-context] Side figure bug in mkiv?
Henri Menke schrieb am 18.07.2019 um 23:29:
For what it's worth, the MKIV way to switch to bold face is \bold{text}
instead of {\bf text} but it also doesn't fix your problem because
neither of the two start a new paragraph before the first letter and
therefore \the\everypar is still inside a group.
The normal switch to use bold style is \bf and \bold{...} (or {\bold
...}) is only a alternative
switch which uses \bf to change the font. The same applies to
\italic{...}, \mono{...} etc.
Wolfgang
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Re: [NTG-context] Side figure bug in mkiv?
On 19/07/19 9:36 AM, Duncan Hothersall wrote:
> On Thu, 18 Jul 2019 at 22:30, Henri Menke wrote:
>
>>
>> Your formatting obscures the problem because compiling this example
>> works fine. I think you are starting a new paragraph before {\bf ...}.
>> That is a well-known problem and there are posts about it on the mailing
>> list every once in a while. The sidefigure mechanism uses \parshape to
>> make the paragraph flow around the figure.
>>
>
> Very many thanks Henri for your patient explanation, and my apologies for
> inadvertently asking a FAQ. I had thought the effect hasn't happened with
> the same content in mkii but it must have been a happenstance of different
> formatting.
It is maybe an FAQ but I don't think it has been documented anywhere
properly. I added my explanation to the Wiki page about unexpected
behaviour.
https://wiki.contextgarden.net/Unexpected_behavior#The_.E2.80.9Cparagraph_in_a_group.E2.80.9D_problem
Cheers, Henri
>
> Thanks again for the clear solution.
>
> Duncan
>
>
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Re: [NTG-context] Side figure bug in mkiv?
On Thu, 18 Jul 2019 at 22:30, Henri Menke wrote:
>
> Your formatting obscures the problem because compiling this example
> works fine. I think you are starting a new paragraph before {\bf ...}.
> That is a well-known problem and there are posts about it on the mailing
> list every once in a while. The sidefigure mechanism uses \parshape to
> make the paragraph flow around the figure.
>
Very many thanks Henri for your patient explanation, and my apologies for
inadvertently asking a FAQ. I had thought the effect hasn't happened with
the same content in mkii but it must have been a happenstance of different
formatting.
Thanks again for the clear solution.
Duncan
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Re: [NTG-context] Side figure bug in mkiv?
On 19/07/19 3:18 AM, Duncan Hothersall wrote:
> I think I have identified a bug in the side figure mechanism which is
> demonstrated by the minimal example below. The {\bf …} construct causes the
> para in which it appears to stop behaving properly with the side figure, and
> the text overflows. The preceding and following paras which don't have {\bf
> …} do behave properly.
>
> I wondered if emphasis like \bf should be done differently (with a start/stop
> mechanism?) in mkiv, but I found nothing to suggest it.
>
> \starttext
> Blah blah.
> \placefigure[right,none]{}{\externalfigure[cow][width=0.30\makeupwidth]}
> Blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah
> blah blah blah blah blah blah blah blah blah blah blah. Blah blah blah blah
> blah blah blah blah.
> {\bf Blah blah} blah blah blah blah blah blah blah blah blah blah blah blah
> blah blah blah blah blah blah.
> Blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah
> blah blah blah blah blah blah.
> \stoptext
Your formatting obscures the problem because compiling this example
works fine. I think you are starting a new paragraph before {\bf ...}.
That is a well-known problem and there are posts about it on the mailing
list every once in a while. The sidefigure mechanism uses \parshape to
make the paragraph flow around the figure. The \parshape primitive only
applies to a single paragraph, so ConTeXt communicates the current
\parshape settings to the next paragraph using \everypar. However, when
a new paragraph starts in a group, i.e.
blah blah blah ...
{\bf Blah blah} blah ...
TeX inserts the \everypar tokens inside that group because only the
first letter starts the paragraph. That is to say is effectively looks
like this
\everypar inserted inside the group
~|
v
{\bf \the\everypar Blah blah} blah ...
^
|
Setting of \everypar are discarded again when leaving the group and
\parshape is lost.
You have to explicitly start a new paragraph before opening a group.
The easiest way to do this is
\dontleavehmode{\bf Blah blah} blah ...
Now the \everypar tokens are inserted directly after \dontleavehmode
outside the group and the problem goes away.
For what it's worth, the MKIV way to switch to bold face is \bold{text}
instead of {\bf text} but it also doesn't fix your problem because
neither of the two start a new paragraph before the first letter and
therefore \the\everypar is still inside a group.
Cheers, Henri
>
> Thanks for any help.
>
> Duncan
>
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[NTG-context] Side figure bug in mkiv?
I think I have identified a bug in the side figure mechanism which is
demonstrated by the minimal example below. The {\bf …} construct causes the
para in which it appears to stop behaving properly with the side figure,
and the text overflows. The preceding and following paras which don't have
{\bf …} do behave properly.
I wondered if emphasis like \bf should be done differently (with a
start/stop mechanism?) in mkiv, but I found nothing to suggest it.
\starttext
Blah blah.
\placefigure[right,none]{}{\externalfigure[cow][width=0.30\makeupwidth]}
Blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah
blah blah blah blah blah blah blah blah blah blah blah. Blah blah blah blah
blah blah blah blah.
{\bf Blah blah} blah blah blah blah blah blah blah blah blah blah blah blah
blah blah blah blah blah blah.
Blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah
blah blah blah blah blah blah.
\stoptext
Thanks for any help.
Duncan
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