@c -*-texinfo-*-
@c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990, 1991, 1992, 1993, 1998, 1999, 2001, 2002, 2003,
-@c 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+@c Copyright (C) 1990-1993, 1998-1999, 2001-2011 Free Software Foundation, Inc.
@c See the file elisp.texi for copying conditions.
@setfilename ../../info/internals
@node GNU Emacs Internals, Standard Errors, Tips, Top
load the files. This is the Emacs executable that is normally
installed.
+@vindex preloaded-file-list
+@cindex dumped Lisp files
To create @file{emacs}, use the command @samp{temacs -batch -l loadup
dump}. The purpose of @samp{-batch} here is to prevent @file{temacs}
from trying to initialize any of its data on the terminal; this ensures
that the tables of terminal information are empty in the dumped Emacs.
The argument @samp{dump} tells @file{loadup.el} to dump a new executable
-named @file{emacs}.
+named @file{emacs}. The variable @code{preloaded-file-list} stores a
+list of the Lisp files that were dumped with the @file{emacs} executable.
Some operating systems don't support dumping. On those systems, you
must start Emacs with the @samp{temacs -l loadup} command each time you
@end group
@group
usage: (or CONDITIONS ...) */)
- (args)
- Lisp_Object args;
+ (Lisp_Object args)
@{
register Lisp_Object val = Qnil;
struct gcpro gcpro1;
the argument of @code{interactive} in a Lisp function. In the case of
@code{or}, it is 0 (a null pointer), indicating that @code{or} cannot be
called interactively. A value of @code{""} indicates a function that
-should receive no arguments when called interactively.
+should receive no arguments when called interactively. If the value
+begins with a @samp{(}, the string is evaluated as a Lisp form.
@item doc
This is the documentation string. It uses C comment syntax rather
too.
@end table
- After the call to the @code{DEFUN} macro, you must write the argument
-name list that every C function must have, followed by ordinary C
-declarations for the arguments. For a function with a fixed maximum
-number of arguments, declare a C argument for each Lisp argument, and
-give them all type @code{Lisp_Object}. When a Lisp function has no
-upper limit on the number of arguments, its implementation in C actually
-receives exactly two arguments: the first is the number of Lisp
-arguments, and the second is the address of a block containing their
-values. They have types @code{int} and @w{@code{Lisp_Object *}}.
+ After the call to the @code{DEFUN} macro, you must write the
+argument list that every C function must have, including the types for
+the arguments. For a function with a fixed maximum number of
+arguments, declare a C argument for each Lisp argument, and give them
+all type @code{Lisp_Object}. When a Lisp function has no upper limit
+on the number of arguments, its implementation in C actually receives
+exactly two arguments: the first is the number of Lisp arguments, and
+the second is the address of a block containing their values. They
+have types @code{int} and @w{@code{Lisp_Object *}}.
@cindex @code{GCPRO} and @code{UNGCPRO}
@cindex protect C variables from garbage collection
@group
switch (coordinates_in_window (XWINDOW (window), &x, &y))
@{
- case 0: /* NOT in window at all. */
+ case 0: /* NOT in window at all. */
return Qnil;
@end group
@group
- case 1: /* In text part of window. */
+ case 1: /* In text part of window. */
return Fcons (make_number (x), make_number (y));
@end group
@group
- case 2: /* In mode line of window. */
+ case 2: /* In mode line of window. */
return Qmode_line;
@end group
@group
- case 3: /* On right border of window. */
+ case 3: /* On right border of window. */
return Qvertical_line;
@end group
GNU Emacs Lisp manipulates many different types of data. The actual
data are stored in a heap and the only access that programs have to it
-is through pointers. Pointers are thirty-two bits wide in most
-implementations. Depending on the operating system and type of machine
-for which you compile Emacs, twenty-nine bits are used to address the
-object, and the remaining three bits are used for the tag that
-identifies the object's type.
+is through pointers. Each pointer is 32 bits wide on 32-bit machines,
+and 64 bits wide on 64-bit machines; three of these bits are used for
+the tag that identifies the object's type, and the remainder are used
+to address the object.
Because Lisp objects are represented as tagged pointers, it is always
possible to determine the Lisp data type of any object. The C data type
@cindex internals, of buffer
@cindex buffer internals
- Buffers contain fields not directly accessible by the Lisp programmer.
-We describe them here, naming them by the names used in the C code.
-Many are accessible indirectly in Lisp programs via Lisp primitives.
-
-Two structures are used to represent buffers in C. The
+ Two structures are used to represent buffers in C. The
@code{buffer_text} structure contains fields describing the text of a
buffer; the @code{buffer} structure holds other fields. In the case
of indirect buffers, two or more @code{buffer} structures reference
the same @code{buffer_text} structure.
-Here is a list of the @code{struct buffer_text} fields:
+Here are some of the fields in @code{struct buffer_text}:
@table @code
@item beg
-This field contains the actual address of the buffer contents.
+The address of the buffer contents.
@item gpt
-This holds the character position of the gap in the buffer.
-@xref{Buffer Gap}.
+@itemx gpt_byte
+The character and byte positions of the buffer gap. @xref{Buffer
+Gap}.
@item z
-This field contains the character position of the end of the buffer
-text.
-
-@item gpt_byte
-Contains the byte position of the gap.
-
-@item z_byte
-Holds the byte position of the end of the buffer text.
+@itemx z_byte
+The character and byte positions of the end of the buffer text.
@item gap_size
-Contains the size of buffer's gap. @xref{Buffer Gap}.
+The size of buffer's gap. @xref{Buffer Gap}.
@item modiff
-This field counts buffer-modification events for this buffer. It is
-incremented for each such event, and never otherwise changed.
-
-@item save_modiff
-Contains the previous value of @code{modiff}, as of the last time a
-buffer was visited or saved in a file.
-
-@item overlay_modiff
-Counts modifications to overlays analogous to @code{modiff}.
+@itemx save_modiff
+@itemx chars_modiff
+@itemx overlay_modiff
+These fields count the number of buffer-modification events performed
+in this buffer. @code{modiff} is incremented after each
+buffer-modification event, and is never otherwise changed;
+@code{save_modiff} contains the value of @code{modiff} the last time
+the buffer was visited or saved; @code{chars_modiff} counts only
+modifications to the characters in the buffer, ignoring all other
+kinds of changes; and @code{overlay_modiff} counts only modifications
+to the overlays.
@item beg_unchanged
-Holds the number of characters at the start of the text that are known
-to be unchanged since the last redisplay that finished.
-
-@item end_unchanged
-Holds the number of characters at the end of the text that are known to
-be unchanged since the last redisplay that finished.
+@itemx end_unchanged
+The number of characters at the start and end of the text that are
+known to be unchanged since the last complete redisplay.
@item unchanged_modified
-Contains the value of @code{modiff} at the time of the last redisplay
-that finished. If this value matches @code{modiff},
-@code{beg_unchanged} and @code{end_unchanged} contain no useful
-information.
-
-@item overlay_unchanged_modified
-Contains the value of @code{overlay_modiff} at the time of the last
-redisplay that finished. If this value matches @code{overlay_modiff},
+@itemx overlay_unchanged_modified
+The values of @code{modiff} and @code{overlay_modiff}, respectively,
+after the last compelete redisplay. If their current values match
+@code{modiff} or @code{overlay_modiff}, that means
@code{beg_unchanged} and @code{end_unchanged} contain no useful
information.
markers referring to this buffer text.
@item intervals
-Contains the interval tree which records the text properties of this
-buffer.
+The interval tree which records the text properties of this buffer.
@end table
-The fields of @code{struct buffer} are:
+Some of the fields of @code{struct buffer} are:
@table @code
@item next
-Points to the next buffer, in the chain of all buffers including killed
-buffers. This chain is used only for garbage collection, in order to
-collect killed buffers properly. Note that vectors, and most kinds of
-objects allocated as vectors, are all on one chain, but buffers are on a
-separate chain of their own.
+Points to the next buffer, in the chain of all buffers (including
+killed buffers). This chain is used only for garbage collection, in
+order to collect killed buffers properly. Note that vectors, and most
+kinds of objects allocated as vectors, are all on one chain, but
+buffers are on a separate chain of their own.
@item own_text
-This is a @code{struct buffer_text} structure. In an ordinary buffer,
-it holds the buffer contents. In indirect buffers, this field is not
-used.
+A @code{struct buffer_text} structure that ordinarily holds the buffer
+contents. In indirect buffers, this field is not used.
@item text
-This points to the @code{buffer_text} structure that is used for this
-buffer. In an ordinary buffer, this is the @code{own_text} field above.
-In an indirect buffer, this is the @code{own_text} field of the base
-buffer.
+A pointer to the @code{buffer_text} structure for this buffer. In an
+ordinary buffer, this is the @code{own_text} field above. In an
+indirect buffer, this is the @code{own_text} field of the base buffer.
@item pt
-Contains the character position of point in a buffer.
-
-@item pt_byte
-Contains the byte position of point in a buffer.
+@itemx pt_byte
+The character and byte positions of point in a buffer.
@item begv
-This field contains the character position of the beginning of the
-accessible range of text in the buffer.
-
-@item begv_byte
-This field contains the byte position of the beginning of the
-accessible range of text in the buffer.
+@itemx begv_byte
+The character and byte positions of the beginning of the accessible
+range of text in the buffer.
@item zv
-This field contains the character position of the end of the
-accessible range of text in the buffer.
-
-@item zv_byte
-This field contains the byte position of the end of the
-accessible range of text in the buffer.
+@itemx zv_byte
+The character and byte positions of the end of the accessible range of
+text in the buffer.
@item base_buffer
In an indirect buffer, this points to the base buffer. In an ordinary
buffer, it is null.
-@item local_var_flags
-This field contains flags indicating that certain variables are local in
-this buffer. Such variables are declared in the C code using
-@code{DEFVAR_PER_BUFFER}, and their buffer-local bindings are stored in
-fields in the buffer structure itself. (Some of these fields are
+@item local_flags
+This field contains flags indicating that certain variables are local
+in this buffer. Such variables are declared in the C code using
+@code{DEFVAR_PER_BUFFER}, and their buffer-local bindings are stored
+in fields in the buffer structure itself. (Some of these fields are
described in this table.)
@item modtime
-This field contains the modification time of the visited file. It is
-set when the file is written or read. Before writing the buffer into a
-file, this field is compared to the modification time of the file to see
-if the file has changed on disk. @xref{Buffer Modification}.
+The modification time of the visited file. It is set when the file is
+written or read. Before writing the buffer into a file, this field is
+compared to the modification time of the file to see if the file has
+changed on disk. @xref{Buffer Modification}.
@item auto_save_modified
-This field contains the time when the buffer was last auto-saved.
-
-@item auto_save_failure_time
-The time at which we detected a failure to auto-save, or -1 if we didn't
-have a failure.
+The time when the buffer was last auto-saved.
@item last_window_start
-This field contains the @code{window-start} position in the buffer as of
-the last time the buffer was displayed in a window.
+The @code{window-start} position in the buffer as of the last time the
+buffer was displayed in a window.
@item clip_changed
-This flag is set when narrowing changes in a buffer.
+This flag indicates that narrowing has changed in the buffer.
+@xref{Narrowing}.
@item prevent_redisplay_optimizations_p
-this flag indicates that redisplay optimizations should not be used
-to display this buffer.
+This flag indicates that redisplay optimizations should not be used to
+display this buffer.
-@item undo_list
-This field points to the buffer's undo list. @xref{Undo}.
+@item overlay_center
+This field holds the current overlay center position. @xref{Managing
+Overlays}.
+
+@item overlays_before
+@itemx overlays_after
+These fields hold, respectively, a list of overlays that end at or
+before the current overlay center, and a list of overlays that end
+after the current overlay center. @xref{Managing Overlays}.
+@code{overlays_before} is sorted in order of decreasing end position,
+and @code{overlays_after} is sorted in order of increasing beginning
+position.
@item name
-The buffer name is a string that names the buffer. It is guaranteed to
-be unique. @xref{Buffer Names}.
+A Lisp string that names the buffer. It is guaranteed to be unique.
+@xref{Buffer Names}.
-@item filename
-The name of the file visited in this buffer, or @code{nil}.
+@item save_length
+The length of the file this buffer is visiting, when last read or
+saved. This and other fields concerned with saving are not kept in
+the @code{buffer_text} structure because indirect buffers are never
+saved.
@item directory
-The directory for expanding relative file names.
-
-@item save_length
-Length of the file this buffer is visiting, when last read or saved.
-This and other fields concerned with saving are not kept in the
-@code{buffer_text} structure because indirect buffers are never saved.
+The directory for expanding relative file names. This is the value of
+the buffer-local variable @code{default-directory} (@pxref{File Name Expansion}).
-@item auto_save_file_name
-File name used for auto-saving this buffer. This is not in the
-@code{buffer_text} because it's not used in indirect buffers at all.
+@item filename
+The name of the file visited in this buffer, or @code{nil}. This is
+the value of the buffer-local variable @code{buffer-file-name}
+(@pxref{Buffer File Name}).
-@item read_only
-Non-@code{nil} means this buffer is read-only.
+@item undo_list
+@itemx backed_up
+@itemx auto_save_file_name
+@itemx read_only
+@itemx file_format
+@itemx file_truename
+@itemx invisibility_spec
+@itemx display_count
+@itemx display_time
+These fields store the values of Lisp variables that are automatically
+buffer-local (@pxref{Buffer-Local Variables}), whose corresponding
+variable names have the additional prefix @code{buffer-} and have
+underscores replaced with dashes. For instance, @code{undo_list}
+stores the value of @code{buffer-undo-list}. @xref{Standard
+Buffer-Local Variables}.
@item mark
-This field contains the mark for the buffer. The mark is a marker,
-hence it is also included on the list @code{markers}. @xref{The Mark}.
+The mark for the buffer. The mark is a marker, hence it is also
+included on the list @code{markers}. @xref{The Mark}.
@item local_var_alist
-This field contains the association list describing the buffer-local
-variable bindings of this buffer, not including the built-in
-buffer-local bindings that have special slots in the buffer object.
-(Those slots are omitted from this table.) @xref{Buffer-Local
-Variables}.
+The association list describing the buffer-local variable bindings of
+this buffer, not including the built-in buffer-local bindings that
+have special slots in the buffer object. (Those slots are omitted
+from this table.) @xref{Buffer-Local Variables}.
@item major_mode
Symbol naming the major mode of this buffer, e.g., @code{lisp-mode}.
@item mode_name
-Pretty name of major mode, e.g., @code{"Lisp"}.
-
-@item mode_line_format
-Mode line element that controls the format of the mode line. If this
-is @code{nil}, no mode line will be displayed.
-
-@item header_line_format
-This field is analogous to @code{mode_line_format} for the mode
-line displayed at the top of windows.
+Pretty name of the major mode, e.g., @code{"Lisp"}.
@item keymap
-This field holds the buffer's local keymap. @xref{Keymaps}.
-
-@item abbrev_table
-This buffer's local abbrevs.
-
-@item syntax_table
-This field contains the syntax table for the buffer. @xref{Syntax Tables}.
-
-@item category_table
-This field contains the category table for the buffer.
-
-@item case_fold_search
-The value of @code{case-fold-search} in this buffer.
-
-@item tab_width
-The value of @code{tab-width} in this buffer.
-
-@item fill_column
-The value of @code{fill-column} in this buffer.
-
-@item left_margin
-The value of @code{left-margin} in this buffer.
-
-@item auto_fill_function
-The value of @code{auto-fill-function} in this buffer.
+@itemx abbrev_table
+@itemx syntax_table
+@itemx category_table
+@itemx display_table
+These fields store the buffer's local keymap (@pxref{Keymaps}), abbrev
+table (@pxref{Abbrev Tables}), syntax table (@pxref{Syntax Tables}),
+category table (@pxref{Categories}), and display table (@pxref{Display
+Tables}).
@item downcase_table
-This field contains the conversion table for converting text to lower case.
-@xref{Case Tables}.
-
-@item upcase_table
-This field contains the conversion table for converting text to upper case.
+@itemx upcase_table
+@itemx case_canon_table
+These fields store the conversion tables for converting text to lower
+case, upper case, and for canonicalizing text for case-fold search.
@xref{Case Tables}.
-@item case_canon_table
-This field contains the conversion table for canonicalizing text for
-case-folding search. @xref{Case Tables}.
-
-@item case_eqv_table
-This field contains the equivalence table for case-folding search.
-@xref{Case Tables}.
-
-@item truncate_lines
-The value of @code{truncate-lines} in this buffer.
-
-@item ctl_arrow
-The value of @code{ctl-arrow} in this buffer.
-
-@item selective_display
-The value of @code{selective-display} in this buffer.
-
-@item selective_display_ellipsis
-The value of @code{selective-display-ellipsis} in this buffer.
-
@item minor_modes
An alist of the minor modes of this buffer.
-@item overwrite_mode
-The value of @code{overwrite_mode} in this buffer.
-
-@item abbrev_mode
-The value of @code{abbrev-mode} in this buffer.
-
-@item display_table
-This field contains the buffer's display table, or @code{nil} if it doesn't
-have one. @xref{Display Tables}.
-
-@item save_modified
-This field contains the time when the buffer was last saved, as an integer.
-@xref{Buffer Modification}.
-
-@item mark_active
-This field is non-@code{nil} if the buffer's mark is active.
-
-@item overlays_before
-This field holds a list of the overlays in this buffer that end at or
-before the current overlay center position. They are sorted in order of
-decreasing end position.
-
-@item overlays_after
-This field holds a list of the overlays in this buffer that end after
-the current overlay center position. They are sorted in order of
-increasing beginning position.
-
-@item overlay_center
-This field holds the current overlay center position. @xref{Overlays}.
-
-@item enable_multibyte_characters
-This field holds the buffer's local value of
-@code{enable-multibyte-characters}---either @code{t} or @code{nil}.
-
-@item buffer_file_coding_system
-The value of @code{buffer-file-coding-system} in this buffer.
-
-@item file_format
-The value of @code{buffer-file-format} in this buffer.
-
-@item auto_save_file_format
-The value of @code{buffer-auto-save-file-format} in this buffer.
-
@item pt_marker
-In an indirect buffer, or a buffer that is the base of an indirect
-buffer, this holds a marker that records point for this buffer when the
-buffer is not current.
-
-@item begv_marker
-In an indirect buffer, or a buffer that is the base of an indirect
-buffer, this holds a marker that records @code{begv} for this buffer
+@itemx begv_marker
+@itemx zv_marker
+These fields are only used in an indirect buffer, or in a buffer that
+is the base of an indirect buffer. Each holds a marker that records
+@code{pt}, @code{begv}, and @code{zv} respectively, for this buffer
when the buffer is not current.
-@item zv_marker
-In an indirect buffer, or a buffer that is the base of an indirect
-buffer, this holds a marker that records @code{zv} for this buffer when
-the buffer is not current.
-
-@item file_truename
-The truename of the visited file, or @code{nil}.
-
-@item invisibility_spec
-The value of @code{buffer-invisibility-spec} in this buffer.
+@item mode_line_format
+@itemx header_line_format
+@itemx case_fold_search
+@itemx tab_width
+@itemx fill_column
+@itemx left_margin
+@itemx auto_fill_function
+@itemx truncate_lines
+@itemx word_wrap
+@itemx ctl_arrow
+@itemx selective_display
+@itemx selective_display_ellipses
+@itemx overwrite_mode
+@itemx abbrev_mode
+@itemx display_table
+@itemx mark_active
+@itemx enable_multibyte_characters
+@itemx buffer_file_coding_system
+@itemx auto_save_file_format
+@itemx cache_long_line_scans
+@itemx point_before_scroll
+@itemx left_fringe_width
+@itemx right_fringe_width
+@itemx fringes_outside_margins
+@itemx scroll_bar_width
+@itemx indicate_empty_lines
+@itemx indicate_buffer_boundaries
+@itemx fringe_indicator_alist
+@itemx fringe_cursor_alist
+@itemx scroll_up_aggressively
+@itemx scroll_down_aggressively
+@itemx cursor_type
+@itemx cursor_in_non_selected_windows
+These fields store the values of Lisp variables that are automatically
+buffer-local (@pxref{Buffer-Local Variables}), whose corresponding
+variable names have underscores replaced with dashes. For instance,
+@code{mode_line_format} stores the value of @code{mode-line-format}.
+@xref{Standard Buffer-Local Variables}.
@item last_selected_window
This is the last window that was selected with this buffer in it, or @code{nil}
if that window no longer displays this buffer.
-
-@item display_count
-This field is incremented each time the buffer is displayed in a window.
-
-@item left_margin_width
-The value of @code{left-margin-width} in this buffer.
-
-@item right_margin_width
-The value of @code{right-margin-width} in this buffer.
-
-@item indicate_empty_lines
-Non-@code{nil} means indicate empty lines (lines with no text) with a
-small bitmap in the fringe, when using a window system that can do it.
-
-@item display_time
-This holds a time stamp that is updated each time this buffer is
-displayed in a window.
-
-@item scroll_up_aggressively
-The value of @code{scroll-up-aggressively} in this buffer.
-
-@item scroll_down_aggressively
-The value of @code{scroll-down-aggressively} in this buffer.
@end table
@node Window Internals
no access to the parent windows; they operate on the windows at the
leaves of the tree, which actually display buffers.
-The following four fields also describe the window tree structure.
-
@item hchild
-In a window subdivided horizontally by child windows, the leftmost child.
-Otherwise, @code{nil}.
-
-@item vchild
-In a window subdivided vertically by child windows, the topmost child.
-Otherwise, @code{nil}.
+@itemx vchild
+These fields contain the window's leftmost child and its topmost child
+respectively. @code{hchild} is used if the window is subdivided
+horizontally by child windows, and @code{vchild} if it is subdivided
+vertically.
@item next
-The next sibling of this window. It is @code{nil} in a window that is
-the rightmost or bottommost of a group of siblings.
-
-@item prev
-The previous sibling of this window. It is @code{nil} in a window that
-is the leftmost or topmost of a group of siblings.
-
-@item left
-This is the left-hand edge of the window, measured in columns. (The
-leftmost column on the screen is @w{column 0}.)
-
-@item top
-This is the top edge of the window, measured in lines. (The top line on
-the screen is @w{line 0}.)
-
-@item height
-The height of the window, measured in lines.
-
-@item width
-The width of the window, measured in columns. This width includes the
-scroll bar and fringes, and/or the separator line on the right of the
-window (if any).
+@itemx prev
+The next sibling and previous sibling of this window. @code{next} is
+@code{nil} if the window is the rightmost or bottommost in its group;
+@code{prev} is @code{nil} if it is the leftmost or topmost in its
+group.
+
+@item left_col
+The left-hand edge of the window, measured in columns, relative to the
+leftmost column in the frame (column 0).
+
+@item top_line
+The top edge of the window, measured in lines, relative to the topmost
+line in the frame (line 0).
+
+@item total_cols
+@itemx total_lines
+The width and height of the window, measured in columns and lines
+respectively. The width includes the scroll bar and fringes, and/or
+the separator line on the right of the window (if any).
@item buffer
-The buffer that the window is displaying. This may change often during
-the life of the window.
+The buffer that the window is displaying.
@item start
-The position in the buffer that is the first character to be displayed
-in the window.
+A marker pointing to the position in the buffer that is the first
+character displayed in the window.
@item pointm
@cindex window point internals
Non-@code{nil} means current value of @code{start} was the beginning of a line
when it was chosen.
-@item too_small_ok
-Non-@code{nil} means don't delete this window for becoming ``too small.''
-
-@item height_fixed_p
-This field is temporarily set to 1 to fix the height of the selected
-window when the echo area is resized.
-
@item use_time
This is the last time that the window was selected. The function
@code{get-lru-window} uses this field.
This window's vertical scroll bar.
@item left_margin_width
-The width of the left margin in this window, or @code{nil} not to
-specify it (in which case the buffer's value of @code{left-margin-width}
-is used.
-
-@item right_margin_width
-Likewise for the right margin.
-
-@ignore
-@item last_mark_x
-@item last_mark_y
-???Not used.
-@end ignore
+@itemx right_margin_width
+The widths of the left and right margins in this window. A value of
+@code{nil} means to use the buffer's value of @code{left-margin-width}
+or @code{right-margin-width}.
@item window_end_pos
This is computed as @code{z} minus the buffer position of the last glyph
case the display that @code{window_end_pos} was computed for did not get
onto the screen.
-@item redisplay_end_trigger
-If redisplay in this window goes beyond this buffer position, it runs
-the @code{redisplay-end-trigger-hook}.
-
-@ignore
-@item orig_height
-@item orig_top
-??? Are temporary storage areas.
-@end ignore
-
@item cursor
A structure describing where the cursor is in this window.
@item command
A list containing the command arguments that were used to start this
-process.
+process. For a network or serial process, it is @code{nil} if the
+process is running or @code{t} if the process is stopped.
@item filter
A function used to accept output from the process instead of a buffer,
@item childp
A flag, non-@code{nil} if this is really a child process.
-It is @code{nil} for a network connection.
+It is @code{nil} for a network or serial connection.
@item mark
A marker indicating the position of the end of the last output from this
of the buffer.
@item kill_without_query
-If this is non-@code{nil}, killing Emacs while this process is still
-running does not ask for confirmation about killing the process.
+If this is non-zero, killing Emacs while this process is still running
+does not ask for confirmation about killing the process.
@item raw_status_low
@itemx raw_status_high
@item inherit_coding_system_flag
Flag to set @code{coding-system} of the process buffer from the
coding system used to decode process output.
-@end table
-@ignore
- arch-tag: 4b2c33bc-d7e4-43f5-bc20-27c0db52a53e
-@end ignore
+@item type
+Symbol indicating the type of process: @code{real}, @code{network},
+@code{serial}
+
+@end table
HCoop / bpt / emacs.git / blobdiff