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NotesEmacs

Notes

Building Emacs

./configure --prefix=$HOME --without-toolkit-scroll-bars

Useful Emacs Lisp idioms

• (and (bolp) (eolp)) for determining whether the current line is empty.

Useful Emacs commands

• M-x ffap finds the file at point.
• C-M-h marks the whole function
• C-M-o moves the rest of the line vertically down
• C-x C-o deletes blank lines around point.
• C-x . sets the prefix each line starts with
• C-x C-t transposes lines
• C-u C-x ( appends something to the last keyboard macro
• M-0 M-r will move to the top of the window.

Searching

Regexp search and replace can use lisp expressions to calculate the replacements. M-x replace-regexp <RET> \(x\)\|y <RET> \,(if \1 "y" "x") <RET> for example.

Registers

• C-x r x copies the region to a register.
• C-x r i insert something from a register.

Diary

• i b inserts a block diary entry that covers the dates in the current region.

Code "folding"

• C-x $ does set-selective-display.
• Try hide-show mode.

Community

Map of #emacs regulars:

Getting extensions

emacs-w3m

% cvs -d :pserver:anonymous@cvs.namazu.org:/storage/cvsroot login CVS password: # No password is set. Just hit Enter/Return key. % cvs -d :pserver:anonymous@cvs.namazu.org:/storage/cvsroot co emacs-w3m