diff options
Diffstat (limited to 'doc/lispref/os.texi')
| -rw-r--r-- | doc/lispref/os.texi | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/doc/lispref/os.texi b/doc/lispref/os.texi index 37fde0a953d..12ddaf04b6a 100644 --- a/doc/lispref/os.texi +++ b/doc/lispref/os.texi @@ -2167,6 +2167,11 @@ if @var{time} is @code{t}, then the timer runs whenever the time is a multiple of @var{repeat} seconds after the epoch. This is useful for functions like @code{display-time}. +If Emacs didn't get any CPU time when the timer would have run (for +example if the system was busy running another process or if the +computer was sleeping or in a suspended state), the timer will run as +soon as Emacs resumes and is idle. + The function @code{run-at-time} returns a timer value that identifies the particular scheduled future action. You can use this value to call @code{cancel-timer} (see below). @@ -2369,11 +2374,17 @@ has no effect except in @sc{cbreak} mode. The argument @var{meta} controls support for input character codes above 127. If @var{meta} is @code{t}, Emacs converts characters with -the 8th bit set into Meta characters. If @var{meta} is @code{nil}, +the 8th bit set into Meta characters, before it decodes them as needed +(@pxref{Terminal I/O Encoding}). If @var{meta} is @code{nil}, Emacs disregards the 8th bit; this is necessary when the terminal uses -it as a parity bit. If @var{meta} is neither @code{t} nor @code{nil}, -Emacs uses all 8 bits of input unchanged. This is good for terminals -that use 8-bit character sets. +it as a parity bit. If @var{meta} is the symbol @code{encoded}, Emacs +first decodes the characters using all the 8 bits of each byte, and +then converts the decoded single-byte characters into Meta characters +if they have their eighth bit set. Finally, if @var{meta} is neither +@code{t} nor @code{nil} nor @code{encoded}, Emacs uses all 8 bits of +input unchanged, both before and after decoding them. This is good +for terminals that use 8-bit character sets and don't encode the Meta +modifier as the eighth bit. If @var{quit-char} is non-@code{nil}, it specifies the character to use for quitting. Normally this character is @kbd{C-g}. @@ -2398,9 +2409,11 @@ flow control for output to the terminal. This value is meaningful only when @var{interrupt} is @code{nil}. @item meta is @code{t} if Emacs treats the eighth bit of input characters as -the meta bit; @code{nil} means Emacs clears the eighth bit of every -input character; any other value means Emacs uses all eight bits as the -basic character code. +the Meta bit before decoding input; @code{encoded} if Emacs treats the +eighth bit of the decoded single-byte characters as the Meta bit; +@code{nil} if Emacs clears the eighth bit of every input character; +any other value means Emacs uses all eight bits as the basic character +code. @item quit is the character Emacs currently uses for quitting, usually @kbd{C-g}. @end table |