33.3 Merging Files with Emerge

It's not unusual for programmers to get their signals crossed and modify the same program in two different directions. To recover from this confusion, you need to merge the two versions. Emerge makes this easier. See also Comparing Files, for commands to compare in a more manual fashion, and Ediff.

• Overview of Emerge: How to start Emerge. Basic concepts.
• Submodes of Emerge: Fast mode vs. Edit mode. Skip Prefers mode and Auto Advance mode.
• State of Difference: You do the merge by specifying state A or B for each difference.
• Merge Commands: Commands for selecting a difference, changing states of differences, etc.
• Exiting Emerge: What to do when you've finished the merge.
• Combining in Emerge: How to keep both alternatives for a difference.
• Fine Points of Emerge: Misc.