[MEI-L] Different <expansion> versions within <choice>?

[Werner Goebl]

I agree with Craig that the expansions (full repetitions, minimal 
repetitions) should be coded as such in MEI. There should be another 
type: "typical" repetitions that reflect omitted repetitions at a 
da-capo Minuet (A A B B C C D D A B).

These three expansion types are not really editorial readings (as 
suggested by Axel) and they are not really choices either. 
expansion at type seems to be reasonable for this, but apparently using 
this attribute for that purpose has some contra arguments.

Best,
Werner

On 19.08.19 18:24, Craig Sapp wrote:
> One thought about the expansion list, such as:
> 
> <choice>
>           <expansion xml:id="expansion-full" plist="#A #A1 #A #A2 #B #B1
>                 #B #B2 #C #C1 #C #C2 #A #A2 #B #B2">
>           <expansion xml:id="expansion-minimal" plist="#A #A2 #B #B2 #C 
> #A #A2
>                 #B #B2">
>           <expansion xml:id="expansion-arrau1956" plist="#A #A1 #A #A2 #B
>                 #B2 #C #C2 #A #A1 #A #A2 #B">
> </choice>
> 
> It would be useful to have a standardized method of identifying what you 
> are IDing as "expansion-full" and "expansion-minimal".  In other words, 
> the performance sequence when taking repeats as instructed in the score 
> and not taking repeats.  Special labeling of these two expansion cases 
> would be useful for analytic purposes such as determining the duration 
> of Beethoven sonatas when taking written repeats or with no repeats.  
> And these special cases should not be encoded only in the structure of 
> the expansion IDs.  That is the main purpose of the expansion at type in 
> the Humdrum conversions, where the default expansion indicates the 
> performance sequence taking repeats as written, and "norep" is the 
> minimal performance sequence (with "norep" meaning "no repeats").  The 
> norep expansion is particularly useful for doing computational analysis 
> of the score, since the repeated material is usually not needed.
> 
> -=+Craig
> 
> 
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