Re: odd behaviour with \definefontfamily

From: jbf <roma83537@gmail.com>
To: Wolfgang Schuster <wolfgang.schuster.lists@gmail.com>
Cc: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: odd behaviour with \definefontfamily
Date: Wed, 26 Aug 2020 14:42:40 +1000	[thread overview]
Message-ID: <630ee53f-e22a-6276-7dad-5f740dc4e2eb@gmail.com> (raw)
In-Reply-To: <c19392b7-b5f3-dbfa-76bb-f7683f8c7c0f@gmail.com>

I get it now. Thanks to you both.

Julian

On 26/8/20 2:20 pm, Wolfgang Schuster wrote:
> jbf schrieb am 26.08.2020 um 05:42:
>> MWE as follows:
>>
>> \definefontfamily [mainface] [rm] [baskervaldadfstd] 
>> [tf=file:BaskervaldADFStd.otf]
>> \definefontfamily [mainface] [ss] [librisadfstd] 
>> [tf=file:LibrisADFStd-Regular.otf]
>> \definefontfamily [mainface] [mm] [TeX Gyre Pagella Math]
>>
>> \setupbodyfont[mainface]
>>
>> \starttext
>> \tf ffi,
>>
>> \it ffi,
>>
>> \bf ffi,
>>
>> \bi ffi.
>>
>> \ss THIS IS A TITLE IN SANS SERIF
>>
>> \tt Monospaced
>>
>> \stoptext
>>
>> Context then tells me that:
>>
>> /mkiv lua stats  > loaded fonts: 6 files: baskervaldadfstd-bold.otf, 
>> baskervaldadfstd-bolditalic.otf, baskervaldadfstd-italic.otf, 
>> baskervaldadfstd.otf, librisadfstd-bolditalic.otf, 
>> texgyrepagella-math.otf/
>>
>> So, in this instance, and as you explained would be the case, it is 
>> loading the sans serif family (Libris) but I note that it is not 
>> giving me what I asked for, which was /LibrisADFStd-Regular.otf/. 
>> Instead it has given me /LibrisADFStd-BoldItalic.otf/
>>
>> And I deliberately did not include any maths, or itemize or anything 
>> that might involve those symbols, thinking it would not then load the 
>> Pagella Maths file, but it did. So my two questions now are
>>
>> 1. Why is it loading Libris BoldItalic and not Regular as asked for?
>
> You used \bi before you switched to the sans serif font and the style 
> is still active. To prevent this problem add around around style 
> changes, e.g. {\bi ...}.
>
>> 2. If I am not using Maths so far, why is it loading the Pagella math 
>> file?
>
> ConTeXt checks the math font when you change the font with 
> \setupbodyfont and at this point the math font gets loaded.
>
> You can prevent the loading of the math font with \textonly but you 
> should use this only when you're 100% sure you never use math in your 
> document. As Aditya already ConTeXt can use math for itemize symbols 
> (which isn't the default behavior anymore) and it's better to keep 
> math to avoid problems.
>
> %% begin example
> \textonly
>
> \starttext
> \unknown
> \stoptext
> %% end example
>
> Wolfgang
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