Commit ac2c0786 authored by Luc Teirlinck's avatar Luc Teirlinck
Browse files

(Select Buffer): Document `C-u M-g M-g'.

parent 48c13f3e
......@@ -77,6 +77,10 @@ Similar, but select @var{buffer} in another window
@item C-x 5 b @var{buffer} @key{RET}
Similar, but select @var{buffer} in a separate frame
@item C-u M-g M-g
@itemx C-u M-g g
Read a number @var{n} and move to line @var{n} in the most recently
selected buffer other than the current buffer.
@end table
@kindex C-x b
......@@ -139,6 +143,19 @@ Modes}).
can also be used to switch to an existing file-visiting buffer.
@kbd{C-u M-g M-g}, that is @code{goto-line} with a prefix argument
of just @kbd{C-u}, reads a number @var{n} using the minibuffer,
selects the most recently selected buffer other than the current
buffer in another window, and then moves point to the beginning of
line number @var{n} in that buffer. This is mainly useful in a buffer
that refers to line numbers in another buffer: if point is on or just
after a number, @code{goto-line} uses that number as the default for
@var{n}. Note that prefix arguments other than just @kbd{C-u} behave
differently. @kbd{C-u 4 M-g M-g} goes to line 4 in the @emph{current}
buffer, without reading a number from the minibuffer. (Remember that
@kbd{M-g M-g} without prefix argument reads a number @var{n} and then
moves to line number @var{n} in the current buffer.)
Emacs uses buffer names that start with a space for internal purposes.
It treats these buffers specially in minor ways---for example, by
default they do not record undo information. It is best to avoid using
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