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Re: Issue #5246: Make empty scores abort engraving process (issue 332470

From: Urs Liska
Subject: Re: Issue #5246: Make empty scores abort engraving process (issue 332470043 by address@hidden)
Date: Fri, 22 Dec 2017 15:46:28 +0100
User-agent: K-9 Mail for Android

Am 22. Dezember 2017 15:42:39 MEZ schrieb David Kastrup <address@hidden>:
>Dan Eble <address@hidden> writes:
>> On Dec 21, 2017, at 23:06, address@hidden wrote:
>>> @@ -110,8 +110,7 @@ LY_DEFINE (ly_interpret_music_expression,
>>>   if (!iter->ok ())
>>>     {
>>> -      warning (_ ("no music found in score"));
>>> -      /* todo: should throw exception. */
>>> +      error (_ ("no music found in score"));
>>>       return SCM_BOOL_F;
>>>     }
>> Looking at this in isolation, I wonder whether “no music found” is
>> only reason that iter might not be OK; in other words, was the
>> appropriate before you arrived?
>\new Voice { }
>_is_ arguably music.  The other error message before is actually just
>nonsensical since LY_ASSERT_SMOB already catches the respective
>condition.  I think we should just let this one complete properly (and
>thus also get an image/PDF) though with a warning.
>I actually thought I did change this at one time.  At any rate, a
>_fatal_ error at least seems silly.  There is no reason not to continue

Yes, there may be valid reasons to compile files with no music in them.


>David Kastrup
>lilypond-devel mailing list

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