Word beginning of line- Wi

- Instruction: Wi

- Parameter: none

- Return: true if line start

- Description:

Returns true if the index is on the first few characters of a line. The analysis checks if there are other letters or numbers before the characters of the code. If there are no letters or numbers, even if there are other different characters, the code is considered to be at the beginning of the line.

- Examples:

Text string: sa

Braille string: 2346

Condition: Wi

Description: When the index is on the letters "sa", and there are no other letters or numbers before them, the condition is true, so the two letters are transcribed with the cell "2346".