Wolfgang Schuster wrote:
> .... snipped ..
>
> \starttext
> \framed[width=40mm]{word}
> \framed[width=40mm]{\stretched[features=none,width=\framedwidth]{word}}
> \stoptext
> 

I also appreciate the example provided by Wolfgang.  I have found an anomaly 
which produces incorrect results on my system.

Versin:  mtx-context     | current version: 2013.09.03 16:23


Not so minimal, minimal example.  I did a range of values for comparison.
Problem is:
   1. I expect a one character word to be centered.  Not necessary but I 
expected this, because all words >1 character do center alignment.

   2. The letter 'w' for some reason binds to the next character and produces 
an incorrect result.

   3. In the last table the letters 'db' seem to be stuck together when the 
word is seven characters or more.  This anomalous unsymmetric binding also 
occurs in the 2nd and 3rd tables, as well.

\starttext

 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{1}} 
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{12}} 
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{123}} 
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{1234}} 
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{12345}} 
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{123456}} 
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{1234567}} 
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{12345678}} 
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{123456789}} 
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{1234567890}} 

\blank[big]

 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{w}} 
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{wo}} 
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{wor}} 
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{word}} 
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{wordw}} 
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{wordwo}} 
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{wordwor}} 
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{wordword}} 
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{wordwordw}} 
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{wordwordwo}}  

\blank[big]

 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{w}}
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{wa}}
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{war}}
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{ward}}
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{wardw}}
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{wardwa}}
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{wardwar}}
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{wardward}}
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{wardwardw}}
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{wardwardwa}}

\blank[big]

 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{b}}
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{ba}}
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{bar}}
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{bard}}
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{bardb}}
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{bardba}}
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{bardbar}}
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{bardbard}}
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{bardbardb}}
 \framed[width=45mm]{\stretched[features=none,width=\framedwidth]{bardbardba}}

\stoptext

Is this a caculation / rouding / logic error ?  
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