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| | ex |
 | | Unless otherwise specified by the ex or vi command descriptions, it is unspecified whether any lines modified by the executing command appear modified, or as they were before being modified by the executing command, in the buffer. |
 | | An ex or vi editor command, other than open, undo, or visual, that modifies at least the value of the report edit option number of lines, and which is not part of an ex global or v command, or ex or vi buffer execution, shall cause an informational message to be written. |
 | | An ex yank or vi y or Y command, that copies at least the value of the report edit option plus 1 number of lines, and which is not part of an ex global or v command, or ex or vi buffer execution, shall cause an informational message to be written. |
| www.opengroup.org /onlinepubs/009695399/utilities/ex.html#tag_04_45_13_31 (16764 words) |
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