discontinuedPackage jet_cad_floor_plan has been discontinued and replaced by jet_cad_2d_plan.

isControlCodeUnit function

bool isControlCodeUnit(
  1. int u
)

Whether the UTF-16 code unit u is a control character: below U+0020 (C0, a line break among them) or U+007F to U+009F (DEL and C1). The one rule tableNumberProblem and the table data limits (tableDataProblem) share.

Implementation

bool isControlCodeUnit(int u) => u < 0x20 || (u >= 0x7F && u <= 0x9F);