gnus-summary-toggle-truncation vs toggle-truncate-lines

[Sam Steingold]

Hi,

What is the point of gnus-summary-toggle-truncation ?  (body from 1997)
Why can't it be replaced with toggle-truncate-lines ?  (body from 2002)

The former calls `redraw-display' and thus makes the screen jump.
The latter does not.

This is the only difference I observe.

Thanks.

-- 
Sam Steingold (http://sds.podval.org/) on darwin Ns 10.3.1504
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