Returns true if the last line was retained by the user via the F9 or ctrl+enter key which runs it but keeps it in the edit buffer.
This is only valid inside finishGettingLine or immediately after finishGettingLine returns, but before startGettingLine is called again.
See Implementation
Added October 12, 2021
Returns true if the last line was retained by the user via the F9 or ctrl+enter key which runs it but keeps it in the edit buffer.
This is only valid inside finishGettingLine or immediately after finishGettingLine returns, but before startGettingLine is called again.