Re: Problematic Nightly (2012.12.01 13:03)

[Hans Hagen <pragma@wxs.nl>]

On 12/3/2012 7:46 AM, Sietse Brouwer wrote:
> Hi Kip,
>
> I had the same problem. This is the advice I got (in an unrelated
> off-list e-mail):
>
> Sietse wrote:
>>>> ! Math error: parameter \Umathquad\displaystyle is not set.
>
> Aditya wrote:
>>> That usually means that the math font is not set.
>
> And indeed the math font is not set, due to a filename error. Apply
> the change below, and math will compile again.
>
> % type-imp-latinmodern.mkiv
>      \starttypescript [\s!math] [modern,latin-modern]
>          \loadfontgoodies[lm]
> -        \definefontsynonym [LMMathRoman-Regular]
> [\v!file:lmodernmath-regular.otf]
> [\s!features=\s!math\mathsizesuffix,\s!goodies=lm]
> -        \definefontsynonym [LMMathRoman-Bold]
> [\v!file:lmodernmath-regular.otf]
> [\s!features=\s!math\mathsizesuffix,\s!goodies=lm]
> +        \definefontsynonym [LMMathRoman-Regular]
> [\v!file:lmodern-math.otf]
> [\s!features=\s!math\mathsizesuffix,\s!goodies=lm]
> +        \definefontsynonym [LMMathRoman-Bold]
> [\v!file:lmodern-math.otf]
> [\s!features=\s!math\mathsizesuffix,\s!goodies=lm]
>      \stoptypescript

Don't confuse these names. The name LMMathRoman-Regular is remapped onto 
a virtual instance which happens in the lm-math.lfg file.

> Probably related: recent changes to math font filenames.
> http://archive.contextgarden.net/message/20121130.022201.993bea83.en.html

That concerns the native unicode variant, and dealing with old filenames 
is handled in lm.lfg:

     filenames = { -- for a while:
         ["lmodernmath-regular.otf"] = { "lmmath-regular.otf" },
     },

So, we ask for

     \starttypescript [\s!math] [modern,latin-modern]
         \loadfontgoodies[lm]
         \definefontsynonym [LMMathRoman-Regular] 
[\v!file:lmodernmath-regular.otf] 
[\s!features=\s!math\mathsizesuffix,\s!goodies=lm]
         \definefontsynonym [LMMathRoman-Bold] 
[\v!file:lmodernmath-regular.otf] 
[\s!features=\s!math\mathsizesuffix,\s!goodies=lm]
     \stoptypescript

and the otf file is not found, one of the alternatives is looked for.

Hans


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