IS - Identical Suppress

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# IS - Identical Suppress

With this session parameter, you can suppress the printing of identical information in successive lines created by a `WRITE` or `DISPLAY` statement.

Possible settings | `ON` | A value which is identical to the previous value for the field will not be displayed. Note If a `DISPLAY` or `WRITE` statement is used to create multiple output lines using the `VERT` or slash (/) notation, `IS=ON` applies only to the first line.
`OFF` | No automatic suppression will be used.
Default setting | `OFF` |
Specification within session | yes |
Applicable statements | `DISPLAY` `FORMAT` `WRITE` |
Applicable command | none |

Notes:

1. The `IS` parameter setting can be suspended for one record by issuing the `SUSPEND IDENTICAL SUPPRESS` statement.
2. The `IS` parameter may be used in combination with the parameters `ES` and `ZP` to cause empty line suppression.
3. See also Parameters to Influence the Output of Fields in the Programming Guide.

#### Example:

    FORMAT IS=ON