Modul:Citation/utilities: Unterschied zwischen den Versionen
+comments
(cu.check_UrnNbn : fragment) |
(+comments) |
||
| Zeile 280: | Zeile 280: | ||
-- See: https://github.com/bohnelang/URN-Pruefziffer | -- See: https://github.com/bohnelang/URN-Pruefziffer | ||
-- Description of the algorithm: http://www.pruefziffernberechnung.de/U/URN.shtml | |||
function cu.getNbnCheckDigit( urn ) | function cu.getNbnCheckDigit( urn ) | ||
-- two-digits codes for ascii characters starting from - == '-' | |||
local code='3947450102030405060708094117############1814191516212223242542262713282931123233113435363738########43' | local code='3947450102030405060708094117############1814191516212223242542262713282931123233113435363738########43' | ||
local sum = 0 | local sum = 0 | ||