Re: demos : enhanced text mode remains gets stuck on

[Ethan M. <merritt@u.washington.edu>]

On Friday 13 January 2006 06:09 am, Timoth=E9e Lecomte wrote:
>
> Ethan reported that the enhanced text mode remains on when you run
> "load 'all.dem' ".

> As it seems to be considered as a problem, I propose to add "set
> termoption noenhanced" at the end of the demo file
> 'enhancedtext.dem'.

No, sorry.  I have explained the problem badly.

The point is that even if the terminal is in enhanced text mode,
there are times when the enhanced text processing is not wanted.
=46or instance, it is almost always a bad idea to treat underscores in
file names as indicating a subscript.  For this reason there is a=20
core routine ignore_enhanced(TRUE) that temporarily turns off
enhanced text processing.  ignore_enhanced(FALSE) turns is back
on again.  The routine is implemented by providing a flag variable
available to the terminal drivers:
    TBOOLEAN ignore_enhanced_text;

As best as I can make out, the wxWidgets terminal is not checking
this flag.  Therefore if the terminal is in enhanced text mode, some
strings are treated this way when they should not be.

Example:
	set termoption enhanced
	load 'histograms.dem'

In the key there are entries for "Soviet_Union" and "United_Kingdom".
Note the underscores.  It is not intended that these be typeset as
subscripts.  The x11, post, and other terminals correctly render these
text strings to contain the underscore.  The wx terminal shows instead
a subscripted next character.=20

=2D-=20
Ethan A Merritt
Biomolecular Structure Center
University of Washington, Seattle WA