Deactivating Grid-Setting for a single paragraph

["\"H. Özoguz\"" <h.oezoguz@mmnetz.de>]

Hi there, speaking code:

\setuplayout[grid=yes]
\showgrid
\starttext
{This is a line without a big-sized font.\\
And this one has it: {\tfa THÜS}.}
\blank

Perfectly I good disable gridsetting for a complete paragraph. I can do 
so by “placeongrid”. But then another problem arises; if the paragraph 
is (without placeongrid) half at the end of a page, and half at the 
beginning of the next page, than WITH placeongrid the page-break of the 
paragraph is impossible, so the complete paragraph is set on the next 
page – resulting in many blank lines on the first page, at the buttom, 
of course. I tried to disable gridsetting for one paragraph only by 
“setuplayout” (“off”, and after the paragraph “on” again), but that does 
not work, too, see here:\blank

{\setuplayout[grid=no]
This is a line without a big-sized font.\\
And this one has it: {\tfa THÜS}.
\setuplayout[grid=yes]}
\blank

So no effect again. My last try was to change “setupinterlinespace” 
before the paragraph, and change it back to default after the paragraph, 
but that does not work, too:\blank

{\setupinterlinespace[line=4ex]
This is a line without a big-sized font.\\
And this one has it: {\tfa THÜS}.
\setupinterlinespace[line=2.8ex] }
\blank

But that does not work, too. How to make this work, disabling grid-set 
for a paragraph? Perfectly like “placeongrid”, but with the possibility 
to break it into to pages:\blank

\placeongrid[top]{
This is a line without a big-sized font.\\
And this one has it: {\tfa THÜS}.}
\blank

The problem comes here from setting arabic words into the german text, 
for arabic I have to use a bigger font, and so the problem simulated 
here arises.

Thanks!
Huseyin
\stoptext
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