[Lilypond-auto] Issue 3784 in lilypond: Add warning when running 'old' \version (to encourage use of convert.ly)

[lilypond]

Status: Accepted
Owner: ----
Labels: Type-Enhancement

New issue 3784 by address@hidden: Add warning when running 'old'  
\version (to encourage use of convert.ly)
http://code.google.com/p/lilypond/issues/detail?id=3784

On 06/01/14 18:24, Mats Bengtsson wrote:
> Hi,

> In lexer.ll, there is some code that checks the version specified in  
> the .ly file against a hard-coded variable oldest-version and issues a  
> warning (well, a non-fatal error message) that the file needs to be  
> updated. However, "oldest-version" has been set to 2.7.38 since 2006 or  
> so. Perhaps we haven't had any drastic grammar changes since then, but  
> wouldn't it still make sense to at least issue a warning if you for  
> example run a 2.16 file in 2.18? Hopefully, this would reduce the number  
> of emails where the answer is "did you run convert-ly?".

>      /Mats


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