Indeed, with issue [4797](#4797) and several earlier parser changes, the first
of these options (`violin.1`) does work, although in a slightly different way
by creating an alist. (Which may have side effects, and the corresponding
`\violin.1` cannot be used in all situations where `\violin` can be used.)
Still, I think this issue is reasonably covered by that, and the topic is on
the TODO-list for the mythical GLISS, which might still happen one day.
So I vote for closing the issue.
---
** [issues:#1670] Allow numbers in variable names: violin.1.mvt.2 = c'**
**Status:**
**Created:** Fri May 27, 2011 11:59 AM UTC by Anonymous
**Last Updated:** Mon Oct 29, 2012 11:28 PM UTC
**Owner:** nobody
*Originally created by:* *anonymous
*Originally created by:*
[k-ohara5...@oco.net](http://code.google.com/u/110197288862747384800/)
Users often request variable names including numbers or underscores
\([http://lists.gnu.org/archive/html/lilypond-user/2011-05/msg00177.html](http://lists.gnu.org/archive/html/lilypond-user/2011-05/msg00177.html)\)
1\) It is not too hard for the lexer, which breaks input into tokens, to accept
backslashed variable names with various characters.
\([http://lists.gnu.org/archive/html/lilypond-devel/2004-03/msg00124.html](http://lists.gnu.org/archive/html/lilypond-devel/2004-03/msg00124.html)\)
We could then use something like:
"violin1" = \{ c d e \}
\new Staff \violin1
but what do we really want to allow in variable names?
I don't think underscores are a good idea, because both human and computer
could be confused:
c^\slide\_1 % is that slide on the first finger or did somebody define
\slide\_1 ?
Ending in a number would require we enforce the space after a command \(and
convert-ly old scores\) for cases like \times2/3\{c d e\}
2\) There is considerable difficulty in telling Lilypond to be ready for the
definition of a variable that looks somewhat like, because the grammar allows
un-braced music expressions and user-defined functions.
\mySpecialAfterGrace do1 re2 mo3 = fa2
Lily would need to know how many arguments \MySpecialAfterGrace takes to know
whether she needs to look up 'mo' as the name of a pitch in some language.
Either that, or tentatively read through to the '=' and then back up when she
realized 'mo' was not a mis-typed note name.
\(2\) might be impossible, but maybe users want \violin1 badly enough to use
quotes around it in the definition, as I did above?
---
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