<tt>
Begin of a word: Wb
</tt>

<ms>
- Instruction: Wb
- Parameter: none
- Return: true if begin of a word

- Description:
Returns true if the index is at the beginning of a word. A word is defined as either a sequence of letters or numbers. The instruction checks only the beginning of the word, even if the text string completes the word.

- Examples:

Text string: bee
Braille string: 1 1234
Condition: Wb
Description: When the index is on words starting with "bee", including the full word "bee", the string is transcribed with cells "1 1234".
</ms>

<rl>
</rl>

<ck>
01ISIBAT1GQQ01
</ck>

<in>

</in>
