emerge-execute-line-deletionsemerge-execute-line-deletions is a variable defined in `
emerge.el'. Its value is
nilDocumentation: If non-nil: `emerge-execute-line' makes no output if an input was deleted. It concludes that an input version has been deleted when an ancestor entry is present, only one A or B entry is present, and an output entry is present. If nil: In such circumstances, the A or B file that is present will be copied to the designated output file. You can customize this variable.