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## Re: Should \partial accept music instead of duration?

 From: Werner LEMBERG Subject: Re: Should \partial accept music instead of duration? Date: Sun, 20 Mar 2022 07:23:30 +0000 (UTC)

>>>>> A convert-ly rule would probably not be possible given the
>>>>> limited power of regular expressions.  As such, \partial might
>>>>> need to support both duration and music arguments.  Initially I
>>>>> thought this might not be possible, given that a naked duration
>>>>> can be treated as music; but the following does seem to work:
>>
>> ...
>> I wouldn't want to have to explain to users why these turn out
>> different.
>> \score {
>>   \fixed c' {
>>     \partial 4. 4.
>>   }
>> }
>> \score {
>>   \fixed c' {
>>     \partial c4. c4.
>>   }
>> }
>>
>
> Fair point, though the intention here would be that backwards
> compatibility would only need to exist for a time.  A warning could
> be issued whenever a user applies the older syntax; this would
> inform the user of the impending breaking change while still
> allowing existing code to compile.  When it is convenient, a future
> release would only support music as the argument.

What about providing a new command \upbeat and moving \partial
into oblivion?  Compare this to \tuplet vs. \times.

Werner