" ^{custom-verbatim-1}^_INVERSE (^{tree}^)"
" /* sinv-iid?! */"
" /* sinv?! */"
" NULL"
" __i2idn (^{tree}^)"
" __spfinv (^{tree}^, ^{custom-string-1}^, 2^{opt-comma-arg-dtps}^)[0]"
"1 /*zeropart*/"
"^{comma-list-begin}^ ^{custom-verbatim-1}^_INV_^{N1}^ (^{tree}^)^{as-name-N}^^{end}^"
"^{comma-list-begin}^ __spfinv (^{tree}^, ^{custom-string-1}^, 2^{opt-comma-arg-dtps}^)[^{N}^]^{as-name-N}^^{end}^"