Module prepare

3.3.3 Preparations for Implicit Processing

http://www.unicode.org/reports/tr9/#Preparations_for_Implicit_Processing

Structs

• IsolatingRunSequence
  Output of isolating_run_sequences (steps X9-X10)

Functions

• isolating_run_sequences
  Compute the set of isolating run sequences.
• not_removed_by_x9
• removed_by_x9
  Should this character be ignored in steps after X9?

Type Aliases

• IsolatingRunSequenceVec
• LevelRun
  A maximal substring of characters with the same embedding level.
• LevelRunVec