the name \ldots is a bit goofy, isn't it?

Within a sentence, i think i have to use it
like this \ldots\ Or otherwise, there'd be no space after the 3 dots.

At the end of a Sentence, it's usually used like this, \ldots . (?)

or more like this below?
\ldots~.

[Followup-To: comp.text.tex]

HenHanna wrote:

> the name \ldots is a bit goofy, isn't it?

Without amsmath package \dots and \ldots is the same.

The l in \ldots indicates that the dots are lowered to the baseline of
the line of text in contrast to what you get with \cdots in mathmode
where c shall indicate that dots are sort of vertically centered as they
are vertically alligned with the math-axis of the line of text. The
math-axis in turn is where e.g. the horizontal bar of a fraction or the
horizontal bar of + or - would occur.

> Within a sentence, i think i have to use it
> like this \ldots\ Or otherwise, there'd be no space after the 3 dots.

\ldots in the LaTeX kernel is defined as

\DeclareRobustCommand{\dots}{%
\ifmmode\mathellipsis\else\textellipsis\fi}
\let\ldots\dots

\DeclareTextCommandDefault{\textellipsis}{%
.\kern\fontdimen3\font
.\kern\fontdimen3\font
.\kern\fontdimen3\font}

So both between the first and the second dot and between the second and
the third dot and behind the third dot you get a horizontal kern
corresponding to \fontdimen3, which denotes the maximum
stretchability-component of interword space.

> At the end of a Sentence, it's usually used like this, \ldots . (?)
>
> or more like this below?
> \ldots~.
>

Robert Bringhurst, The Elements of Typographical Style:

| 5.2.7 Use ellipses that fit the font.
| | Most digital fonts now include, among other things, a prefabricated
| ellipsis (a row of three baseline dots). Many typographers
| nevertheless prefer to make their own. Some prefer to set the three
| dots flush … with a normal word space before and after. Others prefer
| . . . to add thin spaces between the dots. Thick spaces (ᴍ/3) are
| prescribed by the Chicago Manual of Style, but these are another
| Victorian eccentricity. In most contexts, the Chicago ellipsis is much
| too wide.
| | Flush-set ellipses work well with some faces, but in text work they
| are usually too narrow. Especially at small sizes, it is generally
| better to add space (as much as ᴍ/5) between the dots. Extra space
| may also look best in the midst of light, open letterforms, such as
| Baskerville, and less space in the company of a dark font, just as
| Trajanus, or when setting in bold face. (The ellipsis generally used
| in this book is part of the font and sets as a single character.)
| | In English (but usually not in French), when the ellipsis occurs at
| the end of a sentence, a fourth dot, the period, is added and the
| space at the beginning of the ellipsis disappears. . . . When the
| ellipsis combines with a comma, exclamation mark or question mark, the
| same typographical principle applies. Otherwise, a word space is
| required fore and aft. When it combines with other punctuation, in (as
| it always does at the end of a sentence) the ellipsis, in English, is
| also punctuation. On its own, it is a graphic word. The kerning table
| must include it and the glyphs it sits next to.

Sincerely

Ulrich

On 7/23/2024 3:49 PM, Ulrich D i e z wrote:
>
> HenHanna wrote:
>
>> the name \ldots is a bit goofy, isn't it?
>
> Without amsmath package \dots and \ldots is the same.
>
> The l in \ldots indicates that the dots are lowered to the baseline of
> the line of text in contrast to what you get with \cdots in mathmode
> where c shall indicate that dots are sort of vertically centered as they
> are vertically alligned with the math-axis of the line of text. The
> math-axis in turn is where e.g. the horizontal bar of a fraction or the
> horizontal bar of + or - would occur.
>
>
>> Within a sentence, i think i have to use it
>> like this \ldots\ Or otherwise, there'd be no space after the 3 dots.
>
> \ldots in the LaTeX kernel is defined as
>
> \DeclareRobustCommand{\dots}{%
> \ifmmode\mathellipsis\else\textellipsis\fi}
> \let\ldots\dots
>
> \DeclareTextCommandDefault{\textellipsis}{%
> .\kern\fontdimen3\font
> .\kern\fontdimen3\font
> .\kern\fontdimen3\font}
>
> So both between the first and the second dot and between the second and
> the third dot and behind the third dot you get a horizontal kern
> corresponding to \fontdimen3, which denotes the maximum
> stretchability-component of interword space.
>
>
>> At the end of a Sentence, it's usually used like this, \ldots . (?)
>>
>> or more like this below?
>> \ldots~.
>>
>
> Robert Bringhurst, The Elements of Typographical Style:
>
> | 5.2.7 Use ellipses that fit the font.
> |
> | Most digital fonts now include, among other things, a prefabricated
> | ellipsis (a row of three baseline dots). Many typographers
> | nevertheless prefer to make their own. Some prefer to set the three
> | dots flush … with a normal word space before and after. Others prefer
> | . . . to add thin spaces between the dots. Thick spaces (ᴍ/3) are
> | prescribed by the Chicago Manual of Style, but these are another
> | Victorian eccentricity. In most contexts, the Chicago ellipsis is much
> | too wide.
> |
> | Flush-set ellipses work well with some faces, but in text work they
> | are usually too narrow. Especially at small sizes, it is generally
> | better to add space (as much as ᴍ/5) between the dots. Extra space
> | may also look best in the midst of light, open letterforms, such as
> | Baskerville, and less space in the company of a dark font, just as
> | Trajanus, or when setting in bold face. (The ellipsis generally used
> | in this book is part of the font and sets as a single character.)
> |
> | In English (but usually not in French), when the ellipsis occurs at
> | the end of a sentence, a fourth dot, the period, is added and the
> | space at the beginning of the ellipsis disappears. . . . When the
> | ellipsis combines with a comma, exclamation mark or question mark, the
> | same typographical principle applies. Otherwise, a word space is
> | required fore and aft. When it combines with other punctuation, in (as
> | it always does at the end of a sentence) the ellipsis, in English, is
> | also punctuation. On its own, it is a graphic word. The kerning table
> | must include it and the glyphs it sits next to.
>
>
> Sincerely
>
> Ulrich

wow.... in French (at the end of a Sentence), there's only 3 dots???

Chekcing my copy of [Le Petit Prince] --- that's exactly so!!! . . .
and the 3 dots are . . . spaced far apart . . . than in English . . .
the book ends with 3 dots . . . as:

................... qu'il est re-
venu . . .

_________________________

thank you... i still think the name is goofy...
i think the earliest Lisp (Maclisp?) had similar ad-hoc names
like princ, prin1, prog1, prog2, progn, mapcan, mapc, .....
the BEST example may be nconc.

it's not goofy if it's really from Lower(ed).
---------- i thought L came from Ellipsis.

____________________________

I am bound in a book but you cannot read me,
I am struck and played but not musically,
I am your equal in skill and also in stature,
I am used in heat and light manufacture.
------ What am I?

____________________________

Dear solver: there's no clue that's any better
than to note I am at the beginning of every Letter.
In Windy City I signify exalted above;
In rubber fetish I am to the baseline shoved.
------ What am I?