Re: \os

["Procházka Lukáš" <LPr@pontex.cz>]

Hello,

On Sat, 02 Aug 2014 19:07:43 +0200, Wolfgang Schuster <schuster.wolfgang@gmail.com> wrote:

> Don’t use the \os command this way because the command is only meant to be used on the form {\os 1234} where you put braces around the numbers you want to change. When you use the \os command as shown above you get problems because ligatures, kerning etc. are disabled by the command.

OK, thanks for explanation.

This means that one has to switch to \os only when a number is to be printed.

So when I want all numbers in the document to be old-style (and also ligatures etc. be kept), I have to:

1) switch to {\os } when writing a number manually,

2) define "old-style-making-commands" wherever numbers are generated automatically, i.e. e.g.:
	- head commands (sections, chapters...),
	- enumerator commands (which use numbers),
	- page numbering commands,
	- href commands (which generate texts like "see section 1.2.3 on page 123").

It seems to me be a little "labor of Sisyphus" at the moment.

(But it's clear one would have to enclose manually entered numbers to {\os } or similar structure anyway.)

Thanks anyway,

Lukas

> \starttext
>
> AV TA fi ffi fl ffl
>
> {\os AV TA fi ffi fl ffl}
>
> \stoptext
>
>
> A different method to enable old style figures is to use the \feature command which enables the feature without canceling ligatures etc.
>
> \definefontfeature[f:oldstyle][onum=yes]
>
> \starttext
>
> 0123456789 {\os 0123456789} 0123456789
>
> 0123456789 \feature[+][f:oldstyle]0123456789 \feature[-][f:oldstyle]0123456789
>
> \stoptext
>
> Wolfgang

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