set-alpha-mark(2)set-alpha-mark - Place an alphabetic marker in the buffer
set-alpha-mark "?" (C-x C-a)
set-alpha-mark places an alpha mark at the current location in the buffer which can be returned to from anywhere in the buffer using the command goto-alpha-mark(2). The user is prompted for a mark name which can be any alphabetic character. the mark is destroyed if the line is deleted.
Ref: set-alpha-mark(2) File: m2cmd118.2 Date: 2022/06/12
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