I think it was not a good decision to introduce those new features, as they touch a very sensitive area of tex and it's hard to get them right. I wonder whether it is better to discard them all. Thanh On Wed, Nov 15, 2006 at 06:46:26AM +0530, noreply@sarovar.org wrote:

Bugs item #695, was opened at 2006-11-15 01:16 You can respond by visiting: http://sarovar.org/tracker/?func=detail%26atid=493%26aid=695%26group_id=106

Category: None Group: None Status: Open Resolution: None Priority: 5 Submitted By: Robert (schlcht) Assigned to: Nobody (None) Summary: Confusion when changing kerning settings within a paragraph

Initial Comment: Extra kerning now has this nasty, unreliable kind of paragraph scope, so that whether or not extra kerning will be applied depends on whether tex needs to hyphenate the paragraph, and whether a word contains a discretionary. (Same as for \pdfnoligatures [see discussion in feature req 385], for which this may be an acceptable limitation, since it has global scope, anyway. However, I don't consider it acceptable for the kerning feature. Think of language-dependant settings, for example.)

\hsize 7cm \pdfadjustspacing0 \knaccode\font`s=500 \knbccode\font`s=500 \pdfappendkern1 \pdfprependkern1

nasty testing nasty testing nasty testing nasty testing nasty testing

nasty testing nasty testing nasty testing nasty testing nasty testing \pdfappendkern0 \pdfprependkern0 nasty testing nasty testing nasty testing nasty testing nasty testing

\bye

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