wjsullivan.net

Overloading the Machine

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

His followers called him Mahasamatman and said he was a god. He preferred to drop the Maha- and the -atman, however, and called himself Sam. He never claimed to be a god. But then, he never claimed not to be a god. Circum- stances being what they were, neither admission could be of any benefit. Silence, though, could. It was in the days of the rains that their prayers went up, not from the fingering of knotted prayer cords or the spinning of prayer wheels, but from the great pray-machine in the monastery of Ratri, goddess of the Night. The high-frequency prayers were directed upward through the atmosphere and out beyond it, passing into that golden cloud called the Bridge of the Gods, which circles the entire world, is seen as a bronze rainbow at night and is the place where the red sun becomes orange at midday. Some of the monks doubted the orthodoxy of this prayer technique...

-- Roger Zelazny, "Lord of Light"