Re: \showmakeup adds unwanted space despite accurate readings; \qquad mandatory before \TeX\

[Hans Hagen <j.hagen@xs4all.nl>]

On 7/5/2023 3:18 PM, Carlos wrote:
> \showmakeup on \TeX\ shows a
> 
> tSP:3.282
> THK:-1.721
> H__E
> X
> HK:-1.291
> SP:3.282

no MWE includes so clueless

  > I assume that SP stands for space. Correct me if I'm wrong
> 
> After reading some of the manuals that mention \showmakeup with and
> without [spaces] and so forth, I couldn't find any more info related
> to this.
> 
> If anyone can provide me more information as to what does HK means there?

horizontal kern

> Anyhow
> 
> If I were to have, say, a control _word_ such as \TeX\, the sequence of
> TeX kerning is thrown off. The only remedy would be to have a a \qquad
> preceding the control sequence e.g., {\qquad
> \TeX\ significantly} to sort of ameliorate this side-effect. But then
> again. Spacing is off. e.g.,

no MWE so a space cam come from anywhwere

> The separation of any of these four components would have
> hurt {\qquad\TeX\ significantly}. If I had not participated fully in

x{\showmakeup[glue]x\qquad x}x

imo \qquad is okay

> But it's interesting that \showmakeup, kerning and spaces would
> display what's to be expected. And yet, the aformentioned set of
> 
> tSP:3.282
> THK:-1.721
> H__E
> X
> HK:-1.291
> SP:3.282
> 
> is accurate nevertheless. And a very nice implementation at that,
> but one I fear can't be included on a final document either.
> 
> With that being said, the introduction of a \qquad, in addition to
> \showmakeup with, say, redundancy aside, whatever is preceding the \TeX\
> alongside the file would also introduce a space where no space was ever
> there before.
> 
> Because of all of this, and unfortunately, \showmakeup is not quite helpful
> here either. Although it does so displays the amount of spaces and
> so forth, any addition of a \qquad also adds a very subtle unwanted
> space.

qquad is not that subtle: 2em

> And since we're looking here, I pressume, solely for accuracy and
> perfection, we're left here with neither: zero, zip. It evaporates.
puzzled

 > Dear Emily:
 >	I'm still confused as to what groups articles should be posted
 > to.  How about an example?
 >		-- Still Confused
 >
 > Dear Still:

can we omit these confusing additions in mails to the list? looks / 
sounds like a 'bot' to me

Hans

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