This enumeration determines how the job can be processed,
IG_TW_JC_JSIC | Detect and include job separator and continue scanning. |
IG_TW_JC_JSIS | Detect and include job separator and stop scanning. |
IG_TW_JC_JSXC | Detect and exclude job separator and continue scanning. |
IG_TW_JC_JSXS | Detect and exclude job separator and stop scanning. |
IG_TW_JC_NONE | No job control. |