> On 25 Jan 2021, at 08:02, Andrew Bernard <[email protected]> wrote: > > This exact thing came up on the list before I'm sure.
Maybe the thread starting here: https://lists.gnu.org/archive/html/lilypond-user/2014-02/msg00033.html > > A case of where we need some sort of repository of this sort of knowledge. > Mailing lists archives are not exactly the right platform for storage abd > search of code idioms and samples. > > Just musing. > > Andrew > > > > Vaughan McAlley wrote on 25/01/2021 3:17 PM: >> I am trying to write a function that will accept a symbol and a value, and >> assign that value to the symbol if the variable has not already been defined >> (such as in an include file). >
