ediff-long-help-message-merge is a variable defined in `ediff-help.el'.
Its value is

"\np,DEL -previous diff | | -vert/horiz split | x -copy buf X's region to C\nn,SPC -next diff | h -highlighting | r -restore buf C's old diff\n j -jump to diff | @ -auto-refinement | * -refine current region\n gx -goto X's point| ## -ignore whitespace | ! -update diff regions\n C-l -recenter | #f/#h -focus/hide regions | + -combine diff regions\n v/V -scroll up/dn | X -read-only in buf X | wx -save buf X\n -scroll lt/rt | m -wide display | wd -save diff output\n ~ -swap variants | s -shrink window C | / -show ancestor buff\n | $$ -show clashes only | & -merge w/new default\n | $* -skip changed regions |\n"

  • This variable may be risky if used as a file-local variable.

Help message for merge sessions.
Normally, not a user option. See `ediff-help-message' for details.