<tt>
Back index: I-
</tt>

<ms>
- Instruction: I-%
- Parameter: "%" (optional) value from 1 to 9
- Return: none

- Description:
Decreases the index by "%" positions. The index is a position variable that analyzes the characters of the line. It runs through the text in order to translate it into braille. This instruction causes the index to move backward by "%" positions. If the "%" parameter is not specified, the index will move back one position.

- Examples:

Text string: b
Braille string: 456
Condition: I-Cpb
Description: The character "b" is transcribed with the cell "456" if there is another "b" two positions further back.

Text string: b
Braille string: 456
Condition: I-4 Cpb
Description: The character "b" is transcribed with cell "456" if there is another "b" more than five positions behind.
</ms>

<rl>
</rl>

<ck>
01D5FVDAWHVJ57
</ck>

<in>

</in>
