Currently it's hard-coded to "*4". Related: https://github.com/fpco/streaming-commons/issues/29, https://github.com/simonmichael/hledger/issues/226. ~~https://github.com/simonmichael/wai/commit/85f9281c07fa6907f5079dec6005d620142353d0~~ is a draft patch, which seems not to work...
Currently it's hard-coded to "*4". Related: fpco/streaming-commons#29, simonmichael/hledger#226.
https://github.com/simonmichael/wai/commit/85f9281c07fa6907f5079dec6005d620142353d0is a draft patch, which seems not to work...