On 9/20/2020 11:14 PM, Art Chimes wrote:

I have a fairly large document, 50-60 pp, with lots of numerals, including hundreds of dates. I wanted to see how it would look with old-style numbers and I assumed I could bracket the whole text section of the document within braces and apply the \os command. I didn't turn out as I expected, however. It did convert the numbers to old-style digits. But it also unexpectedly changed the em and en dashes back to hyphens, as they were entered in the source .tex document.

MWE follows below.

I could possibly do a search-and-replace but I am hoping there is a simpler way to do it.. I am using Libertinus Serif (which does support old style numerals) and columns, if that matters. Thank you.

\starttext

First two examples: Brackets surround text including digits, grouped hyphens are {\emph not} converted to en and em dashes.

{\os Ford--Chevy 12345

Chrysler---Plymouth 67890 } \blank[line] Next two examples: Brackets surround just the digits, the grouped hypehns {\emph are} correctly converted to en and em dashes

Honda--Toyota {\os 12345}

Renault---Volkswagen {\os 67890}

\stoptext \os is an old style dumb font switch (only oldstyle feature) while \oldstyle does what you want: enable the oldstyle feature on top of others

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