the scroll bars.
@item
-For simplicity, all ASCII characters now have the same height and width.
+For simplicity, all @sc{ascii} characters now have the same height and width.
(Certain characters, such as Chinese characters, always have twice
the standard width.) All characters are created equal.
@end example
@noindent
-the font specification for ASCII characters would be this:
+the font specification for @sc{ascii} characters would be this:
@example
-*-fixed-medium-r-normal-*-24-*-ISO8859-1
@item font
The name of the font for displaying text in the frame. This is a
string, either a valid font name for your system or the name of an Emacs
-fontset (@pxref{Fontsets}). Changing this frame parameter on a frame,
+fontset (@pxref{Fontsets}). Changing this frame parameter on a frame
also changes the font-related attributes of the default face on that
frame.
@item screen-gamma
If this is a number, Emacs performs ``gamma correction'' on colors. The
value should be the screen gamma of your display, a floating point
-number. Usual PC monitors have a screen gamma of 2.2. Smaller values
-result in darker colors; you might want to try a screen gamma of 1.5 for
-LCD color displays. The viewing gamma Emacs uses is 0.4545 (1/2.2).
+number. Usual PC monitors have a screen gamma of 2.2, so the default is
+to display for that gamma value. Specifying a smaller value results in
+darker colors, which is desirable for a monitor that tends to display
+colors too light. A screen gamma value of 1.5 may give good results for
+LCD color displays.
@item tool-bar-lines
The number of lines to use for the toolbar. A value of @code{nil} means
principle from 0 to 65535, but in practice the largest value used is
65280.
- These functions accept a frame as an optional argument. We hope in
-the future to make Emacs support multiple text-only terminals; then
-this'argument will specify which terminal to operate on (the default
-being the selected frame). At present, though, the @var{frame} argument
-has no effect.
+ These functions accept a display (either a frame or the name of a
+terminal) as an optional argument. We hope in the future to make Emacs
+support more than one text-only terminal at one time; then this argument
+will specify which terminal to operate on (the default being the
+selected frame's terminal). At present, though, the @var{display}
+argument has no effect.
-@defun tty-color-define name number &optional rgb frame
+@defun tty-color-define name number &optional rgb display
@tindex tty-color-define
This function associates the color name @var{name} with
color number @var{number} on the terminal.
like.
@end defun
-@defun tty-color-clear &optional frame
+@defun tty-color-clear &optional display
@tindex tty-color-clear
This function clears the table of defined colors for a text-only terminal.
@end defun
-@defun tty-color-alist &optional frame
+@defun tty-color-alist &optional display
@tindex tty-color-alist
This function returns an alist recording the known colors supported by a
text-only terminal.
actually looks like.
@end defun
-@defun tty-color-approximate rgb &optional frame
+@defun tty-color-approximate rgb &optional display
@tindex tty-color-approximate
This function finds the closest color, among the known colors supported
-for @var{frame}'s terminal, to that described by the rgb value
-@var{rgb}.
+for @var{display}, to that described by the rgb value @var{rgb}.
@end defun
-@defun tty-color-translate color &optional frame
+@defun tty-color-translate color &optional display
@tindex tty-color-translate
This function finds the closest color to @var{color} among the known
-colors supported for @var{frame}'s terminal. If the name @var{color} is
-not defined, the value is @code{nil}.
+colors supported for @var{display}. If the name @var{color} is not
+defined, the value is @code{nil}.
@var{color} can be an X-style @code{"#@var{xxxyyyzzz}"} specification
instead of an actual name. The format
redefines the first (leftmost) mouse button, typed with the Meta key, to
set point where you click.
-@cindex non-ASCII text in keybindings
+@cindex non-@sc{ascii} text in keybindings
Be careful when using non-@sc{ascii} text characters in Lisp
specifications of keys to bind. If these are read as multibyte text, as
they usually will be in a Lisp file (@pxref{Loading Non-ASCII}), you
@end deffn
@node Loading Non-ASCII
-@section Loading Non-ASCII Characters
+@section Loading Non-@sc{ascii} Characters
When Emacs Lisp programs contain string constants with non-@sc{ascii}
characters, these can be represented within Emacs either as unibyte
@c See the file elisp.texi for copying conditions.
@setfilename ../info/characters
@node Non-ASCII Characters, Searching and Matching, Text, Top
-@chapter Non-ASCII Characters
+@chapter Non-@sc{ascii} Characters
@cindex multibyte characters
-@cindex non-ASCII characters
+@cindex non-@sc{ascii} characters
This chapter covers the special issues relating to non-@sc{ascii}
characters and how they are stored in strings and buffers.
Characters in strings, buffers, and files are currently limited to the
range of 0 to 524287---nineteen bits. But not all values in that range
-are valid character codes. Codes 0 through 127 are ASCII codes; the
-rest are non-ASCII (@pxref{Non-ASCII Characters}). Characters that represent
+are valid character codes. Codes 0 through 127 are @sc{ascii} codes; the
+rest are non-@sc{ascii} (@pxref{Non-ASCII Characters}). Characters that represent
keyboard input have a much wider range, to encode modifier keys such as
Control, Meta and Shift.
@ifnottex
2**7
@end ifnottex
-bit attached to an ASCII character indicates a meta character; thus, the
+bit attached to an @sc{ascii} character indicates a meta character; thus, the
meta characters that can fit in a string have codes in the range from
128 to 255, and are the meta versions of the ordinary @sc{ascii}
characters. (In Emacs versions 18 and older, this convention was used
@end example
@node Non-ASCII in Strings
-@subsubsection Non-ASCII Characters in Strings
+@subsubsection Non-@sc{ascii} Characters in Strings
You can include a non-@sc{ascii} international character in a string
constant by writing it literally. There are two text representations
This matches @samp{0} through @samp{9}. Thus, @samp{[-+[:digit:]]}
matches any digit, as well as @samp{+} and @samp{-}.
@item [:graph:]
-This matches graphic characters---everything except @sc{ascii} control characters,
-space, and DEL.
+This matches graphic characters---everything except @sc{ascii} control
+characters, space, and the delete character.
@item [:lower:]
This matches any lower-case letter, as determined by
the current case table (@pxref{Case Tables}).
@kindex display @r{(text property)}
This property activates various features that change the
way text is displayed. For example, it can make text appear taller
-or shorter, higher or lower, wider or narror, or replaced with an image.
+or shorter, higher or lower, wider or narrow, or replaced with an image.
@xref{Display Property}.
@item help-echo
then insertion before the character can inherit its @code{face} property
and its @code{read-only} property, but no others.
- The @code{rear-nonsticky} works the opposite way. A property is
-normally rear-sticky by default, so the @code{rear-nonsticky} property
-says which properties are @emph{not} rear-sticky. If a character's
-@code{rear-nonsticky} property is @code{t}, then none of its properties
-are rear-sticky. If the @code{rear-nonsticky} property is a list,
-properties are rear-sticky @emph{unless} their names are in the list.
+ The @code{rear-nonsticky} property works the opposite way. Most
+properties are rear-sticky by default, so the @code{rear-nonsticky}
+property says which properties are @emph{not} rear-sticky. If a
+character's @code{rear-nonsticky} property is @code{t}, then none of its
+properties are rear-sticky. If the @code{rear-nonsticky} property is a
+list, properties are rear-sticky @emph{unless} their names are in the
+list.
@defvar text-property-default-nonsticky
@tindex text-property-default-nonsticky
If @var{new-pos} is @code{nil}, then @code{constrain-to-field} uses
the value of point instead, and moves point to the resulting position.
-If @var{old-pos} is at the boundary of two fields, then the allowable
-positions for @var{new-pos} depends on the value of the optional
-argument @var{escape-from-edge}. If @var{escape-from-edge} is
-@code{nil}, then @var{new-pos} is constrained to the field that has the
-same @code{field} text-property that new characters inserted at
-@var{old-pos} would get. (This depends on the stickiness of the
-@code{field} property for the characters before and after
-@var{old-pos}.) If @var{escape-from-edge} is non-@code{nil},
-@var{new-pos} is constrained to the union of the two adjacent fields.
+If @var{old-pos} is at the boundary of two fields, then the acceptable
+positions for @var{new-pos} depend on the value of the optional argument
+@var{escape-from-edge}. If @var{escape-from-edge} is @code{nil}, then
+@var{new-pos} is constrained to the field that has the same @code{field}
+text-property that new characters inserted at @var{old-pos} would get.
+(This depends on the stickiness of the @code{field} property for the
+characters before and after @var{old-pos}.) If @var{escape-from-edge}
+is non-@code{nil}, @var{new-pos} is constrained to the union of the two
+adjacent fields.
If the optional argument @var{only-in-line} is non-@code{nil}, and
constraining @var{new-pos} in the usual way would move it to a different
A register is a sort of variable used in Emacs editing that can hold a
variety of different kinds of values. Each register is named by a
-single character. All ASCII characters and their meta variants (but
-with the exception of @kbd{C-g}) can be used to name registers. Thus,
-there are 255 possible registers. A register is designated in Emacs
-Lisp by the character that is its name.
+single character. All @sc{ascii} characters and their meta variants
+(but with the exception of @kbd{C-g}) can be used to name registers.
+Thus, there are 255 possible registers. A register is designated in
+Emacs Lisp by the character that is its name.
@defvar register-alist
This variable is an alist of elements of the form @code{(@var{name} .
order. If count is negative, then it moves back @minus{}@var{count}
windows in the cycle, rather than forward. It returns @code{nil}.
-The argument @var{all-frames} has the same meaning is as in
+The argument @var{all-frames} has the same meaning as in
@code{next-window}, but the @var{minibuf} argument of @code{next-window}
is always effectively @code{nil}.
projects / emacs.git / commitdiff