Re: Lilypond 2.19.43 font issue

[Hans Åberg]

> On 12 Jun 2016, at 16:34, David Kastrup <address@hidden> wrote:
> 
> Hans Åberg <address@hidden> writes:
> 
>>> On 11 Jun 2016, at 23:55, Hans Åberg <address@hidden> wrote:
>>> 
>>> The code below produces, using lilypond-2.19.43-1.darwin-x86 on OS X
>>> 10.11.6, the diagnostic:
>>> Finding the ideal number of pages...Fontconfig warning: ignoring
>>> UTF-8: not a valid region tag
>>> 
>>> And the title fonts becomes sans-serif. It happens also in 2.19.42,
>>> but not in 2.19.18.
>> 
>> It occurs first in LilyPond 2.19.26. (And not in LilyPond 2.19.25.)
> 
> Between 2.19.25 and 2.19.26 there is a whole wagonload of font-related
> commits, defaults, and configuration scripts bouncing around with Linux
> Libertine, URW fonts and others.

The solution: the UTF-8 locale has not been set as it wishes [1]. OS X 10.11.6 
has no leading language “en”, only
  LC_CTYPE=UTF-8

It suffices with any single one of:
  export LC_CTYPE=en.UTF-8
  export LC_CTYPE=en_US.UTF-8
  export LC_ALL=en_US.UTF-8

1. https://github.com/ariya/phantomjs/issues/13433