annotate man/term.texi @ 1204:e22b0213b713

[xemacs-hg @ 2003-01-12 11:07:58 by michaels] modules/ChangeLog: 2002-12-16 Ben Wing <ben@xemacs.org> * postgresql/postgresql.c: remove ifdef USE_KKCC. src/ChangeLog: 2003-01-08 Mike Sperber <mike@xemacs.org> * console.h (CDFW_CONSOLE): Don't lead to a crash if we're dealing with a dead window/frame/device/console. 2002-12-20 Mike Sperber <mike@xemacs.org> * ui-gtk.c: Fix typo from Ben's patch: emacs_ffi_data is a typedef, not a struct. emacs_gtk_object_data is a typedef, not a struct. * gtk-glue.c (gdk_event_to_emacs_event): Fix typos from Ben's patch: le -> emacs_event + rearrange the code. * event-gtk.c (gtk_event_to_emacs_event): Fix typos from Ben's patch: ..._UNDERLYING_GDK_EVENT -> ..._GDK_EVENT, ev -> key_event. * device-gtk.c: Fix typo from Ben's patch: x_keysym_map_hash_table -> x_keysym_map_hashtable. 2002-12-19 Mike Sperber <mike@xemacs.org> * menubar-x.c (set_frame_menubar): Initialize protect_me field of popup_data. 2002-12-16 Ben Wing <ben@xemacs.org> Major cleanup of KKCC, etc. KKCC, pdump-related: -- descriptions are written for all objects. this required some changes in the format of some objects, e.g. extents, popup-data, coding system, lstream, lcrecord-list. -- KKCC now handles weakness in markers, hash tables, elsewhere correctly (formerly, you'd eventually get a stack overflow due to endlessly expanding markers). -- textual changes: lrecord_description -> memory_description, struct_description -> sized_memory_description. -- extensive comment describing descriptions and pdump. -- redo XD_UNION so it works inline and change its format to provide sufficient info for pdump. implement XD_UNION in pdump. also add XD_UNION_DYNAMIC_SIZE, which works like XD_UNION except for when auto-computing structure sizes. -- add support for XD_INDIRECT in description offsets (used by extents). -- add support for "description maps", allowing for indirect descriptions that are retrieved from an object at run-time. this generalizes XD_CODING_SYSTEM_END, XD_SPECIFIER_END, etc., which have now been eliminated. -- add a fifth field "flags" to memory_description, to support flags that can be specified for this particular line. Currently defined flags are XD_FLAG_NO_KKCC (KKCC should ignore this entry; useful for the weakness above in markers, etc.), XD_FLAG_NO_PDUMP (pdump should ignore this entry), XD_FLAG_UNION_DEFAULT_ENTRY (in union maps, this specifies a "default" entry for all remaining values), and XD_FLAG_FREE_LISP_OBJECT (for use with lcrecord-lists). -- clean up the kkcc-itis in events, so that the differences between event data as separate objects and as a union are now minimized to a small number of places. with the new XD_UNION, we no longer need event data as separate objects, so this code is no longer ifdef USE_KKCC, but instead ifdef EVENT_DATA_AS_OBJECTS, not used by default. make sure that we explicitly free the separate event data objects when no longer in use, to maintain the invariant the event processing causes no consing. -- also remove other USE_KKCC ifdefs when not necessary. -- allow for KKCC compilation under MS Windows. -- fix README.kkcc. -- dump_add_root_object -> dump_add_root_lisp_object. -- implement dump_add_root_block and use this to handle dump_add_opaque. -- factor out some code duplicated in kkcc and pdump. Other allocation/object-related: -- change various *slots.h so MARKED_SLOT() call no longer includes semicolon. -- free_marker() takes a Lisp_Object not a direct pointer. -- make bit vectors lcrecords, like vectors, and eliminate code that essentially duplicated the lcrecord handling. -- additional asserts in FREE_FIXED_TYPE, formerly duplicated in the various callers of this. -- all lcrecord allocation functions now zero out the returned lcrecords. unnecessary calls to zero_lcrecord removed. add long comment describing these functions. -- extract out process and coding system slots, like for buffers, frames, etc. -- lcrecords now set the type of items sitting on the free list to lcrecord_type_free. -- changes to the way that gap arrays are allocated, for kkcc's benefit -- now, one single memory block with a stretchy array on the end, instead of a separate block holding the array. Error-checking-related: -- now can compile with C++ under MS Windows. clean up compile errors discovered that way. (a few were real problems) -- add C++ error-checking code to verify problems with mismatched GCPRO/UNGCPRO. (there were a few in the kkcc code.) add long comment about how to catch insufficient GCPRO (yes, it's possible using C++). -- add debug_p4(), a simple object printer, when debug_print() doesn't work. -- add dp() and db() as short synonyms of debug_print(), debug_backtrace(). -- `print' tries EXTREMELY hard to avoid core dumping when printing when crashing or from debug_print(), and tries as hard as it reasonably can in other situations. -- Correct the message output upon crashing to be more up-to-date. Event-related: -- document event-matches-key-specifier-p better. -- generalize the dispatch queues formerly duplicated in the various event implementations. add event methods to drain pending events. generalize and clean up QUIT handling, removing event-specific quit processing. allow arbitrary keystrokes, not just ASCII, to be the QUIT char. among other things, this should fix some longstanding bugs in X quit handling. long comment describing the various event queues. -- implement delaying of XFlush() if there are pending expose events. SOMEONE PLEASE TRY THIS OUT. -- Fix `xemacs -batch -l dunnet' under Cygwin. Try to fix under MS Windows but not quite there yet. Other: -- class -> class_ and no more C++ games with this item. new -> new_ in the lwlib code, so far not elsewhere. -- use `struct htentry' not `struct hentry' in elhash.c to avoid debugger confusion with hash.c. -- new macros ALIST_LOOP_3, ALIST_LOOP_4. * README.kkcc: * alloc.c: * alloc.c (deadbeef_memory): * alloc.c (allocate_lisp_storage): * alloc.c (copy_lisp_object): * alloc.c (ALLOCATE_FIXED_TYPE_1): * alloc.c (FREE_FIXED_TYPE): * alloc.c (make_vector_internal): * alloc.c (make_bit_vector_internal): * alloc.c (make_key_data): * alloc.c (make_button_data): * alloc.c (make_motion_data): * alloc.c (make_process_data): * alloc.c (make_timeout_data): * alloc.c (make_magic_data): * alloc.c (make_magic_eval_data): * alloc.c (make_eval_data): * alloc.c (make_misc_user_data): * alloc.c (struct string_chars_block): * alloc.c (mark_lcrecord_list): * alloc.c (make_lcrecord_list): * alloc.c (alloc_managed_lcrecord): * alloc.c (free_managed_lcrecord): * alloc.c (alloc_automanaged_lcrecord): * alloc.c (staticpro_1): * alloc.c (staticpro): * alloc.c (lispdesc_indirect_count_1): * alloc.c (lispdesc_indirect_description_1): * alloc.c (lispdesc_one_description_line_size): * alloc.c (lispdesc_structure_size): * alloc.c (mark_object_maybe_checking_free): * alloc.c (mark_with_description): * alloc.c (mark_struct_contents): * alloc.c (mark_object): * alloc.c (tick_lcrecord_stats): * alloc.c (free_cons): * alloc.c (free_key_data): * alloc.c (free_button_data): * alloc.c (free_motion_data): * alloc.c (free_process_data): * alloc.c (free_timeout_data): * alloc.c (free_magic_data): * alloc.c (free_magic_eval_data): * alloc.c (free_eval_data): * alloc.c (free_misc_user_data): * alloc.c (free_marker): * alloc.c (compact_string_chars): * alloc.c (gc_sweep): * alloc.c (garbage_collect_1): * alloc.c (Fgarbage_collect): * alloc.c (common_init_alloc_early): * alloc.c (init_alloc_early): * alloc.c (init_alloc_once_early): * buffer.c: * buffer.c (mark_buffer): * buffer.c (MARKED_SLOT): * buffer.c (cleanup_buffer_undo_lists): * buffer.c (Fget_file_buffer): * buffer.h (MARKED_SLOT): * bufslots.h: * bytecode.c: * callint.c: * casetab.c: * chartab.c: * chartab.c (symbol_to_char_table_type): * cmdloop.c: * cmdloop.c (Fcommand_loop_1): * config.h.in (new): * conslots.h: * console-gtk-impl.h (struct gtk_frame): * console-impl.h: * console-impl.h (struct console): * console-impl.h (MARKED_SLOT): * console-impl.h (CONSOLE_QUIT_EVENT): * console-msw-impl.h (XM_BUMPQUEUE): * console-msw.c (write_string_to_mswindows_debugging_output): * console-msw.h: * console-stream-impl.h: * console-stream-impl.h (struct stream_console): * console-stream.c: * console-stream.c (stream_init_console): * console-stream.h: * console-tty.c: * console-tty.h: * console-x.h: * console.c: * console.c (mark_console): * console.c (MARKED_SLOT): * console.c (allocate_console): * console.c (get_console_variant): * console.c (create_console): * console.c (delete_console_internal): * console.c (Fset_input_mode): * console.c (Fcurrent_input_mode): * console.c (common_init_complex_vars_of_console): * console.h: * console.h (console_variant): * console.h (device_metrics): * data.c: * data.c (Faref): * data.c (Faset): * data.c (decode_weak_list_type): * database.c: * debug.c (xemacs_debug_loop): * debug.c (FROB): * debug.c (Fadd_debug_class_to_check): * debug.c (Fdelete_debug_class_to_check): * debug.c (Fset_debug_classes_to_check): * debug.c (Fset_debug_class_types_to_check): * debug.c (Fdebug_types_being_checked): * debug.h (DASSERT): * device-gtk.c: * device-impl.h (struct device): * device-impl.h (MARKED_SLOT): * device-msw.c: * device-x.c: * device-x.c (x_init_device_class): * device-x.c (x_comp_visual_info): * device-x.c (x_try_best_visual_class): * device-x.c (x_init_device): * device-x.c (construct_name_list): * device-x.c (x_get_resource_prefix): * device-x.c (Fx_get_resource): * device-x.c (Fx_display_visual_class): * device.c: * device.c (MARKED_SLOT): * device.c (allocate_device): * device.c (Fmake_device): * device.c (delete_device_internal): * device.c (Fset_device_class): * device.h: * devslots.h: * devslots.h (MARKED_SLOT): * dialog-msw.c: * dired-msw.c (mswindows_ls_sort_fcn): * dired-msw.c (mswindows_get_files): * dired-msw.c (mswindows_format_file): * doprnt.c (parse_doprnt_spec): * dumper.c: * dumper.c (struct): * dumper.c (dump_add_root_block): * dumper.c (dump_add_root_struct_ptr): * dumper.c (dump_add_root_lisp_object): * dumper.c (pdump_struct_list_elt): * dumper.c (pdump_get_entry_list): * dumper.c (pdump_backtrace): * dumper.c (pdump_bump_depth): * dumper.c (pdump_register_sub): * dumper.c (pdump_register_object): * dumper.c (pdump_register_struct_contents): * dumper.c (pdump_register_struct): * dumper.c (pdump_store_new_pointer_offsets): * dumper.c (pdump_dump_data): * dumper.c (pdump_reloc_one): * dumper.c (pdump_allocate_offset): * dumper.c (pdump_scan_by_alignment): * dumper.c (pdump_dump_root_blocks): * dumper.c (pdump_dump_rtables): * dumper.c (pdump_dump_root_lisp_objects): * dumper.c (pdump): * dumper.c (pdump_load_finish): * dumper.c (pdump_file_get): * dumper.c (pdump_resource_get): * dumper.c (pdump_load): * editfns.c (save_excursion_restore): * editfns.c (user_login_name): * editfns.c (save_restriction_restore): * elhash.c: * elhash.c (htentry): * elhash.c (struct Lisp_Hash_Table): * elhash.c (HTENTRY_CLEAR_P): * elhash.c (LINEAR_PROBING_LOOP): * elhash.c (check_hash_table_invariants): * elhash.c (mark_hash_table): * elhash.c (hash_table_equal): * elhash.c (print_hash_table_data): * elhash.c (free_hentries): * elhash.c (make_general_lisp_hash_table): * elhash.c (decode_hash_table_weakness): * elhash.c (decode_hash_table_test): * elhash.c (Fcopy_hash_table): * elhash.c (resize_hash_table): * elhash.c (pdump_reorganize_hash_table): * elhash.c (find_htentry): * elhash.c (Fgethash): * elhash.c (Fputhash): * elhash.c (remhash_1): * elhash.c (Fremhash): * elhash.c (Fclrhash): * elhash.c (copy_compress_hentries): * elhash.c (elisp_maphash_unsafe): * elhash.c (finish_marking_weak_hash_tables): * elhash.c (prune_weak_hash_tables): * elhash.h: * emacs.c: * emacs.c (main_1): * emacs.c (main): * emacs.c (shut_down_emacs): * emodules.h (dump_add_root_lisp_object): * eval.c: * eval.c (unwind_to_catch): * eval.c (maybe_signal_error_1): * eval.c (maybe_signal_continuable_error_1): * eval.c (maybe_signal_error): * eval.c (maybe_signal_continuable_error): * eval.c (maybe_signal_error_2): * eval.c (maybe_signal_continuable_error_2): * eval.c (maybe_signal_ferror): * eval.c (maybe_signal_continuable_ferror): * eval.c (maybe_signal_ferror_with_frob): * eval.c (maybe_signal_continuable_ferror_with_frob): * eval.c (maybe_syntax_error): * eval.c (maybe_sferror): * eval.c (maybe_invalid_argument): * eval.c (maybe_invalid_constant): * eval.c (maybe_invalid_operation): * eval.c (maybe_invalid_change): * eval.c (maybe_invalid_state): * eval.c (Feval): * eval.c (call_trapping_problems): * eval.c (call_with_suspended_errors): * eval.c (warn_when_safe_lispobj): * eval.c (warn_when_safe): * eval.c (vars_of_eval): * event-Xt.c: * event-Xt.c (maybe_define_x_key_as_self_inserting_character): * event-Xt.c (x_to_emacs_keysym): * event-Xt.c (x_event_to_emacs_event): * event-Xt.c (emacs_Xt_enqueue_focus_event): * event-Xt.c (emacs_Xt_format_magic_event): * event-Xt.c (emacs_Xt_compare_magic_event): * event-Xt.c (emacs_Xt_hash_magic_event): * event-Xt.c (emacs_Xt_handle_magic_event): * event-Xt.c (Xt_timeout_to_emacs_event): * event-Xt.c (Xt_process_to_emacs_event): * event-Xt.c (signal_special_Xt_user_event): * event-Xt.c (emacs_Xt_next_event): * event-Xt.c (emacs_Xt_event_handler): * event-Xt.c (emacs_Xt_drain_queue): * event-Xt.c (emacs_Xt_event_pending_p): * event-Xt.c (check_if_pending_expose_event): * event-Xt.c (reinit_vars_of_event_Xt): * event-Xt.c (vars_of_event_Xt): * event-gtk.c: * event-gtk.c (IS_MODIFIER_KEY): * event-gtk.c (emacs_gtk_format_magic_event): * event-gtk.c (emacs_gtk_compare_magic_event): * event-gtk.c (emacs_gtk_hash_magic_event): * event-gtk.c (emacs_gtk_handle_magic_event): * event-gtk.c (gtk_to_emacs_keysym): * event-gtk.c (gtk_timeout_to_emacs_event): * event-gtk.c (gtk_process_to_emacs_event): * event-gtk.c (dragndrop_data_received): * event-gtk.c (signal_special_gtk_user_event): * event-gtk.c (emacs_gtk_next_event): * event-gtk.c (gtk_event_to_emacs_event): * event-gtk.c (generic_event_handler): * event-gtk.c (emacs_shell_event_handler): * event-gtk.c (emacs_gtk_drain_queue): * event-gtk.c (emacs_gtk_event_pending_p): * event-gtk.c (reinit_vars_of_event_gtk): * event-gtk.c (vars_of_event_gtk): * event-msw.c: * event-msw.c (struct winsock_stream): * event-msw.c (winsock_reader): * event-msw.c (winsock_writer): * event-msw.c (mswindows_enqueue_dispatch_event): * event-msw.c (mswindows_enqueue_misc_user_event): * event-msw.c (mswindows_enqueue_magic_event): * event-msw.c (mswindows_enqueue_process_event): * event-msw.c (mswindows_enqueue_mouse_button_event): * event-msw.c (mswindows_enqueue_keypress_event): * event-msw.c (mswindows_dequeue_dispatch_event): * event-msw.c (emacs_mswindows_drain_queue): * event-msw.c (mswindows_need_event_in_modal_loop): * event-msw.c (mswindows_need_event): * event-msw.c (mswindows_wm_timer_callback): * event-msw.c (dde_eval_string): * event-msw.c (Fdde_alloc_advise_item): * event-msw.c (mswindows_dde_callback): * event-msw.c (mswindows_wnd_proc): * event-msw.c (remove_timeout_mapper): * event-msw.c (emacs_mswindows_remove_timeout): * event-msw.c (emacs_mswindows_event_pending_p): * event-msw.c (emacs_mswindows_format_magic_event): * event-msw.c (emacs_mswindows_compare_magic_event): * event-msw.c (emacs_mswindows_hash_magic_event): * event-msw.c (emacs_mswindows_handle_magic_event): * event-msw.c (emacs_mswindows_select_console): * event-msw.c (emacs_mswindows_unselect_console): * event-msw.c (reinit_vars_of_event_mswindows): * event-msw.c (vars_of_event_mswindows): * event-stream.c: * event-stream.c (mark_command_builder): * event-stream.c (reset_command_builder_event_chain): * event-stream.c (allocate_command_builder): * event-stream.c (copy_command_builder): * event-stream.c (command_builder_append_event): * event-stream.c (event_stream_event_pending_p): * event-stream.c (event_stream_force_event_pending): * event-stream.c (maybe_read_quit_event): * event-stream.c (event_stream_drain_queue): * event-stream.c (remove_quit_p_event): * event-stream.c (event_stream_quit_p): * event-stream.c (echo_key_event): * event-stream.c (maybe_kbd_translate): * event-stream.c (execute_help_form): * event-stream.c (event_stream_generate_wakeup): * event-stream.c (enqueue_dispatch_event): * event-stream.c (enqueue_magic_eval_event): * event-stream.c (Fenqueue_eval_event): * event-stream.c (enqueue_misc_user_event): * event-stream.c (enqueue_misc_user_event_pos): * event-stream.c (next_event_internal): * event-stream.c (Fnext_event): * event-stream.c (Faccept_process_output): * event-stream.c (execute_internal_event): * event-stream.c (munge_keymap_translate): * event-stream.c (command_builder_find_leaf_no_mule_processing): * event-stream.c (command_builder_find_leaf): * event-stream.c (lookup_command_event): * event-stream.c (is_scrollbar_event): * event-stream.c (execute_command_event): * event-stream.c (Fdispatch_event): * event-stream.c (Fread_key_sequence): * event-stream.c (dribble_out_event): * event-stream.c (vars_of_event_stream): * event-tty.c (tty_timeout_to_emacs_event): * event-tty.c (emacs_tty_next_event): * event-tty.c (emacs_tty_drain_queue): * event-tty.c (reinit_vars_of_event_tty): * event-unixoid.c: * event-unixoid.c (find_tty_or_stream_console_from_fd): * event-unixoid.c (read_event_from_tty_or_stream_desc): * event-unixoid.c (drain_tty_devices): * event-unixoid.c (poll_fds_for_input): * events.c: * events.c (deinitialize_event): * events.c (zero_event): * events.c (mark_event): * events.c (print_event_1): * events.c (print_event): * events.c (event_equal): * events.c (event_hash): * events.c (Fmake_event): * events.c (Fdeallocate_event): * events.c (Fcopy_event): * events.c (map_event_chain_remove): * events.c (character_to_event): * events.c (event_to_character): * events.c (Fevent_to_character): * events.c (format_event_object): * events.c (upshift_event): * events.c (downshift_event): * events.c (event_upshifted_p): * events.c (Fevent_live_p): * events.c (Fevent_type): * events.c (Fevent_timestamp): * events.c (CHECK_EVENT_TYPE): * events.c (CHECK_EVENT_TYPE2): * events.c (CHECK_EVENT_TYPE3): * events.c (Fevent_key): * events.c (Fevent_button): * events.c (Fevent_modifier_bits): * events.c (event_x_y_pixel_internal): * events.c (event_pixel_translation): * events.c (Fevent_process): * events.c (Fevent_function): * events.c (Fevent_object): * events.c (Fevent_properties): * events.c (syms_of_events): * events.c (vars_of_events): * events.h: * events.h (struct event_stream): * events.h (struct Lisp_Key_Data): * events.h (KEY_DATA_KEYSYM): * events.h (EVENT_KEY_KEYSYM): * events.h (struct Lisp_Button_Data): * events.h (EVENT_BUTTON_BUTTON): * events.h (struct Lisp_Motion_Data): * events.h (EVENT_MOTION_X): * events.h (struct Lisp_Process_Data): * events.h (EVENT_PROCESS_PROCESS): * events.h (struct Lisp_Timeout_Data): * events.h (EVENT_TIMEOUT_INTERVAL_ID): * events.h (struct Lisp_Eval_Data): * events.h (EVENT_EVAL_FUNCTION): * events.h (struct Lisp_Misc_User_Data): * events.h (EVENT_MISC_USER_FUNCTION): * events.h (struct Lisp_Magic_Eval_Data): * events.h (EVENT_MAGIC_EVAL_INTERNAL_FUNCTION): * events.h (struct Lisp_Magic_Data): * events.h (EVENT_MAGIC_UNDERLYING): * events.h (EVENT_MAGIC_GDK_EVENT): * events.h (struct Lisp_Event): * events.h (XEVENT_CHANNEL): * events.h (SET_EVENT_TIMESTAMP_ZERO): * events.h (SET_EVENT_CHANNEL): * events.h (SET_EVENT_NEXT): * events.h (XSET_EVENT_TYPE): * events.h (struct command_builder): * extents.c: * extents.c (gap_array_adjust_markers): * extents.c (gap_array_recompute_derived_values): * extents.c (gap_array_move_gap): * extents.c (gap_array_make_gap): * extents.c (gap_array_insert_els): * extents.c (gap_array_delete_els): * extents.c (gap_array_make_marker): * extents.c (gap_array_delete_marker): * extents.c (gap_array_move_marker): * extents.c (make_gap_array): * extents.c (free_gap_array): * extents.c (extent_list_num_els): * extents.c (extent_list_insert): * extents.c (mark_extent_auxiliary): * extents.c (allocate_extent_auxiliary): * extents.c (decode_extent_at_flag): * extents.c (verify_extent_mapper): * extents.c (symbol_to_glyph_layout): * extents.c (syms_of_extents): * faces.c: * file-coding.c: * file-coding.c (struct_detector_category_description =): * file-coding.c (detector_category_dynarr_description_1): * file-coding.c (struct_detector_description =): * file-coding.c (detector_dynarr_description_1): * file-coding.c (MARKED_SLOT): * file-coding.c (mark_coding_system): * file-coding.c (coding_system_extra_description_map): * file-coding.c (coding_system_description): * file-coding.c (allocate_coding_system): * file-coding.c (symbol_to_eol_type): * file-coding.c (Fcoding_system_aliasee): * file-coding.c (set_coding_stream_coding_system): * file-coding.c (struct convert_eol_coding_system): * file-coding.c (struct undecided_coding_system): * file-coding.c (undecided_mark_coding_stream): * file-coding.c (coding_category_symbol_to_id): * file-coding.c (struct gzip_coding_system): * file-coding.c (coding_system_type_create): * file-coding.h: * file-coding.h (struct Lisp_Coding_System): * file-coding.h (CODING_SYSTEM_SLOT_DECLARATION): * file-coding.h (coding_system_variant): * file-coding.h (struct coding_system_methods): * file-coding.h (DEFINE_CODING_SYSTEM_TYPE_WITH_DATA): * file-coding.h (INITIALIZE_CODING_SYSTEM_TYPE_WITH_DATA): * file-coding.h (struct coding_stream): * fileio.c (Fsubstitute_in_file_name): * floatfns.c: * fns.c: * fns.c (base64_encode_1): * frame-gtk.c: * frame-gtk.c (Fgtk_start_drag_internal): * frame-impl.h (struct frame): * frame-impl.h (MARKED_SLOT): * frame-msw.c: * frame-x.c: * frame-x.c (Fcde_start_drag_internal): * frame-x.c (Foffix_start_drag_internal): * frame.c: * frame.c (MARKED_SLOT): * frame.c (allocate_frame_core): * frame.c (delete_frame_internal): * frame.c (Fmouse_position_as_motion_event): * frameslots.h: * frameslots.h (MARKED_SLOT_ARRAY): * free-hook.c: * glyphs-msw.c (mswindows_widget_instantiate): * glyphs-x.c: * glyphs-x.c (convert_EImage_to_XImage): * glyphs.c: * glyphs.c (process_image_string_instantiator): * glyphs.c (mark_image_instance): * glyphs.c (allocate_image_instance): * glyphs.c (unmap_subwindow): * glyphs.c (map_subwindow): * glyphs.c (syms_of_glyphs): * glyphs.c (specifier_type_create_image): * glyphs.h: * glyphs.h (struct text_image_instance): * glyphs.h (struct Lisp_Image_Instance): * gmalloc.c: * gmalloc.c ("C"): * gpmevent.c (Freceive_gpm_event): * gpmevent.c (gpm_next_event_cb): * gpmevent.c (vars_of_gpmevent): * gtk-glue.c (gdk_event_to_emacs_event): * gtk-xemacs.c (gtk_xemacs_class_init): * gui-msw.c: * gui-msw.c (mswindows_handle_gui_wm_command): * gui-msw.c (mswindows_translate_menu_or_dialog_item): * gui-x.c: * gui-x.c (mark_popup_data): * gui-x.c (snarf_widget_value_mapper): * gui-x.c (gcpro_popup_callbacks): * gui-x.c (ungcpro_popup_callbacks): * gui-x.c (free_popup_widget_value_tree): * gui-x.c (popup_selection_callback): * gui-x.h: * gui-x.h (struct popup_data): * gui.c: * gui.c (allocate_gui_item): * gutter.c (decode_gutter_position): * hash.c (NULL_ENTRY): * indent.c (vmotion_1): * indent.c (vmotion_pixels): * input-method-motif.c (res): * input-method-xlib.c (IMInstantiateCallback): * input-method-xlib.c (XIM_init_device): * input-method-xlib.c (res): * intl-encap-win32.c: * intl-encap-win32.c (qxeSHGetDataFromIDList): * intl-win32.c: * intl-win32.c (mswindows_multibyte_cp_type): * intl-win32.c (struct mswindows_multibyte_coding_system): * keymap.c: * keymap.c (make_key_description): * keymap.c (keymap_store): * keymap.c (get_keyelt): * keymap.c (keymap_lookup_1): * keymap.c (define_key_parser): * keymap.c (key_desc_list_to_event): * keymap.c (event_matches_key_specifier_p): * keymap.c (meta_prefix_char_p): * keymap.c (ensure_meta_prefix_char_keymapp): * keymap.c (Fdefine_key): * keymap.c (struct raw_lookup_key_mapper_closure): * keymap.c (raw_lookup_key): * keymap.c (raw_lookup_key_mapper): * keymap.c (lookup_keys): * keymap.c (lookup_events): * keymap.c (Flookup_key): * keymap.c (struct map_keymap_unsorted_closure): * keymap.c (map_keymap_unsorted_mapper): * keymap.c (map_keymap_sorted): * keymap.c (map_keymap_mapper): * keymap.c (map_keymap): * keymap.c (accessible_keymaps_mapper_1): * keymap.c (Faccessible_keymaps): * keymap.c (Fsingle_key_description): * keymap.c (raw_keys_to_keys): * keymap.c (format_raw_keys): * keymap.c (where_is_recursive_mapper): * keymap.c (where_is_internal): * keymap.c (describe_map_mapper_shadow_search): * keymap.c (keymap_lookup_inherited_mapper): * keymap.c (describe_map_mapper): * keymap.h (event_matches_key_specifier_p): * lisp.h: * lisp.h (this): * lisp.h (RETURN_NOT_REACHED): * lisp.h (struct Lisp_Vector): * lisp.h (struct Lisp_Bit_Vector): * lisp.h (UNGCPRO_1): * lisp.h (NUNGCPRO): * lisp.h (NNUNGCPRO): * lisp.h (DECLARE_INLINE_HEADER): * lrecord.h: * lrecord.h (struct lrecord_header): * lrecord.h (struct lcrecord_header): * lrecord.h (lrecord_type): * lrecord.h (struct lrecord_implementation): * lrecord.h (RECORD_DUMPABLE): * lrecord.h (memory_description_type): * lrecord.h (data_description_entry_flags): * lrecord.h (struct memory_description): * lrecord.h (struct sized_memory_description): * lrecord.h (XD_INDIRECT): * lrecord.h (XD_IS_INDIRECT): * lrecord.h (XD_DYNARR_DESC): * lrecord.h (DEFINE_BASIC_LRECORD_IMPLEMENTATION): * lrecord.h (MAKE_LRECORD_IMPLEMENTATION): * lrecord.h (MAKE_EXTERNAL_LRECORD_IMPLEMENTATION): * lrecord.h (alloc_lcrecord_type): * lstream.c: * lstream.c (Lstream_new): * lstream.c (lisp_buffer_marker): * lstream.h: * lstream.h (lstream_implementation): * lstream.h (DEFINE_LSTREAM_IMPLEMENTATION): * lstream.h (DEFINE_LSTREAM_IMPLEMENTATION_WITH_DATA): * marker.c: * marker.c (copy_marker_1): * mem-limits.h: * menubar-gtk.c: * menubar-gtk.c (gtk_popup_menu): * menubar-msw.c: * menubar-msw.c (mswindows_popup_menu): * menubar-x.c (make_dummy_xbutton_event): * menubar-x.c (command_builder_operate_menu_accelerator): * menubar-x.c (menu_accelerator_safe_compare): * menubar-x.c (menu_accelerator_safe_mod_compare): * mule-charset.c: * mule-charset.c (make_charset): * mule-charset.c (Fcharset_property): * mule-coding.c: * mule-coding.c (ccs_description_1): * mule-coding.c (ccs_description =): * mule-coding.c (ccsd_description_1): * mule-coding.c (ccsd_description =): * nt.c (getpwnam): * nt.c (init_mswindows_environment): * nt.c (get_cached_volume_information): * nt.c (mswindows_is_executable): * nt.c (read_unc_volume): * nt.c (mswindows_access): * nt.c (mswindows_link): * nt.c (mswindows_fstat): * nt.c (mswindows_stat): * nt.c (mswindows_executable_type): * nt.c (Fmswindows_short_file_name): * nt.c (Fmswindows_long_file_name): * objects-impl.h (struct Lisp_Color_Instance): * objects-impl.h (struct Lisp_Font_Instance): * objects-tty.c: * objects-x.c (allocate_nearest_color): * objects.c: * objects.c (Fmake_color_instance): * objects.c (Fmake_font_instance): * objects.c (font_instantiate): * opaque.c: * opaque.c (make_opaque): * opaque.c (make_opaque_ptr): * opaque.c (reinit_opaque_early): * opaque.c (init_opaque_once_early): * print.c: * print.c (printing_badness): * print.c (printing_major_badness): * print.c (print_internal): * print.c (debug_p4): * print.c (dp): * print.c (debug_backtrace): * process-nt.c (nt_create_process): * process-nt.c (get_internet_address): * process-unix.c: * process-unix.c (struct unix_process_data): * process-unix.c (get_internet_address): * process-unix.c (unix_alloc_process_data): * process-unix.c (unix_create_process): * process-unix.c (try_to_initialize_subtty): * process-unix.c (unix_kill_child_process): * process-unix.c (process_type_create_unix): * process.c: * process.c (mark_process): * process.c (MARKED_SLOT): * process.c (make_process_internal): * process.c (Fprocess_tty_name): * process.c (decode_signal): * process.h: * procimpl.h: * procimpl.h (struct process_methods): * procimpl.h (struct Lisp_Process): * rangetab.c: * realpath.c (readlink_and_correct_case): * redisplay-x.c (x_window_output_end): * redisplay-x.c (x_redraw_exposed_area): * redisplay-x.c (x_clear_frame): * redisplay.c: * redisplay.h: * redisplay.h (struct rune_dglyph): * redisplay.h (struct rune): * scrollbar.c: * scrollbar.c (create_scrollbar_instance): * specifier.c: * specifier.c (specifier_empty_extra_description_1): * specifier.c (make_specifier_internal): * specifier.c (decode_locale_type): * specifier.c (decode_how_to_add_specification): * specifier.h: * specifier.h (struct specifier_methods): * specifier.h (DEFINE_SPECIFIER_TYPE_WITH_DATA): * specifier.h (INITIALIZE_SPECIFIER_TYPE_WITH_DATA): * symbols.c: * symbols.c (Fsetplist): * symbols.c (default_value): * symbols.c (decode_magic_handler_type): * symbols.c (handler_type_from_function_symbol): * symbols.c (Fdefvaralias): * symbols.c (init_symbols_once_early): * symbols.c (reinit_symbols_early): * symsinit.h: * sysdep.c (sys_subshell): * sysdep.c (tty_init_sys_modes_on_device): * syswindows.h: * text.c (dfc_convert_to_external_format): * text.c (dfc_convert_to_internal_format): * text.c (reinit_eistring_early): * text.c (init_eistring_once_early): * text.c (reinit_vars_of_text): * text.h: * text.h (INC_IBYTEPTR_FMT): * text.h (DEC_IBYTEPTR_FMT): * toolbar.c: * toolbar.c (decode_toolbar_position): * tooltalk.c: * ui-gtk.c: * unexnt.c: * unexnt.c (_start): * unexnt.c (unexec): * unexnt.c (get_section_info): * unicode.c: * unicode.c (vars_of_unicode): * window.c: * window.c (allocate_window): * window.c (new_window_mirror): * window.c (update_mirror_internal): * winslots.h:
author michaels
date Sun, 12 Jan 2003 11:08:22 +0000
parents 0f9686ac3ce7
children 1094d6d400fb
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1 @\input texinfo @c -*-texinfo-*-
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2 @setfilename ../info/term.info
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3 @settitle XEmacs Terminal Emulator Mode
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4
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5 @titlepage
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6 @sp 6
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7 @center @titlefont(XEmacs Terminal Emulator Mode)
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8 @end titlepage
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9
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10 @ifinfo
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11 @dircategory XEmacs Editor
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12 @direntry
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13 * Term mode: (term). XEmacs Terminal Emulator Mode.
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14 @end direntry
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15
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16 @node Top, , (DIR)
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17 @top Terminal emulator mode
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18 @end ifinfo
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19
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20 This is some notes about the term Emacs mode.
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21
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22 @menu
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23 * term mode::
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24 @end menu
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25
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26 @node term mode
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27 @chapter XEmacs Terminal Emulator Mode
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28
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29 @menu
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30 * Overview::
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31 * Connecting to remote computers::
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32 * Paging::
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33 * Terminal escapes::
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34 @end menu
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35
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36 The @code{term} package includes the major modes @code{term},
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37 @code{shell}, and @code{gud} (for running gbd or another debugger).
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38 It is a replacement for the comint mode of Emacs 19,
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39 as well as shell, gdb, terminal, and telnet modes.
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40 The package works best with recent releases of Emacs 19,
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41 but will also work reasonably well with Emacs 18 as well as Lucid Emacs 19.
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42
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43 The file @code{nshell.el} is a wrapper to use unless term mode
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44 is built into Emacs. If works around some of the missing
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45 in older Emacs versions.
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46 To use it, edit the paths in @code{nshell.el}, appropriately,
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47 and then @code{M-x load-file nshell.el RET}.
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48 This will also load in replacement shell and gud modes.
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49
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50 @node Overview
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51 @section Overview
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52
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53 The @code{term} mode is used to control a program (an "inferior process").
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54 It sends most keyboard input characters to the program,
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55 and displays output from the program in the buffer.
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56 This is similar to the traditional comint mode, and
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57 modes derived from it (such as shell and gdb modes).
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58 You can do with the new term-based shell the same sort
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59 of things you could do with the old shell mode,
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60 using more or less the same interface. However, the
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61 new mode is more flexible, and works somewhat differently.
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62
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63 @menu
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64 * Output from the inferior::
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65 * subbuffer:: The sub-buffer
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66 * altsubbuffer:: The alternate sub-buffer
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67 * Input to the inferior::
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68 @end menu
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69
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70 @node Output from the inferior
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71 @subsection Output from the inferior
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72
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73 In typical usage, output from the inferior is
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74 added to the end of the buffer. If needed, the window
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75 will be scrolled, just like a regular terminal.
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76 (Only one line at a time will be scrolled, just like
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77 regular terminals, and in contrast to the old shell mode.)
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78 Thus the buffer becomes a log of your interaction with the
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79 inferior, just like the old shell mode.
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80
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81 Like a real terminal, term maintains a "cursor position."
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82 This is the @code{process-mark} of the inferior process.
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83 If the process-mark is not at the end of the buffer, output from
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84 the inferior will overwrite existing text in the buffer.
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85 This is like a real terminal, but unlike the old shell mode
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86 (which inserts the output, instead of overwriting).
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87
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88 Some programs (such as Emacs itself) need to control the
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89 appearance on the screen in detail. They do this by
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90 sending special control codes. The exact control
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91 codes needed from terminal to terminal, but nowadays
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92 most terminals and terminal emulators (including xterm)
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93 understand the so-called "ANSI escape sequences" (first
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94 popularized by the Digital's VT100 family of terminal).
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95 The term mode also understands these escape sequences,
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96 and for each control code does the appropriate thing
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97 to change the buffer so that the appearance of the window
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98 will match what it would be on a real terminal.
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99 (In contrast, the old shell mode doesn't handle
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100 terminal control codes at all.)
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101
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102 See <...> for the specific control codes.
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103
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104 @node subbuffer
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105 @subsection The sub-buffer
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106
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107 A program that talks to terminal expects the terminal to have a fixed size.
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108 If the program is talking a terminal emulator program such as @code{xterm},
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109 that size can be changed (if the xterm window is re-sized), but programs
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110 still assume a logical terminal that has a fixed size independent
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111 of the amount of output transmitted by the programs.
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112
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113 To programs that use it, the Emacs terminal emulator acts as if it
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114 too has a fixed size. The @dfn{sub-buffer} is the part of a @code{term}-mode
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115 buffer that corresponds to a "normal" terminal. Most of the time
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116 (unless you explicitly scroll the window displaying the buffer),
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117 the sub-buffer is the part of the buffer that is displayed in a window.
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118
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119 The sub-buffer is defined in terms of three buffer-local-variable:
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120
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121 @defvar term-height
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122 The height of the sub-buffer, in screen lines.
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123 @end defvar
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124
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125 @defvar term-width
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126 The width of the sub-buffer, in screen columns.
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127 @end defvar
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128
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129 @defvar term-home-marker
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130 The "home" position, that is the top left corner of the sub-buffer.
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131 @end defvar
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132
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133 The sub-buffer is assumed to be the end part of the buffer;
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134 the @code{term-home-marker} should never be more than
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135 @code{term-height} screen lines from the end of the buffer.
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136
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137 @node altsubbuffer
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138 @subsection The alternate sub-buffer
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139
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140 When a "graphical" program finishes, it is nice to
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141 restore the screen state to what it was before the program started.
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142 Many people are used to this behavior from @code{xterm}, and
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143 its also offered by the @code{term} emulator.
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144
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145 @defun term-switch-to-alternate-sub-buffer set
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146 If @var{set} is true, and we're not already using the alternate sub-buffer,
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147 switch to it. What this means is that the @code{term-home-marker}
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148 is saved (in the variable @code{term-saved-home-marker}), and the
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149 @code{term-home-marker} is set to the end of the buffer.
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150
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151 If @var{set} is false and we're using the alternate sub-buffer,
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152 switch back to the saved sub-buffer. What this means is that the
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153 (current, alternate) sub-buffer is deleted (using
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154 @code{(delete-region term-home-marker (point-max))}), and then the
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155 @code{term-home-marker} is restored (from @code{term-saved-home-marker}).
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156 @end defun
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157
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158 @node Input to the inferior
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159 @subsection Input to the inferior
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160
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161 Characters typed by the user are sent to the inferior.
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162 How this is done depends on whether the @code{term} buffer
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163 is in "character" mode or "line" mode.
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164 (A @code{term} buffer can also be in "pager" mode.
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165 This is discussed <later>.)
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166 Which of these is currently active is specified in the mode line.
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167 The difference between them is the key-bindings available.
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168
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169 In character mode, one character (by default @key{C-c}) is special,
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170 and is a prefix for various commands. All other characters are
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171 sent directly to the inferior process, with no interpretation by Emacs.
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172 Character mode looks and feels like a real terminal, or a conventional
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173 terminal emulator such as xterm.
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174
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175 In line mode, key commands mostly have standard Emacs actions.
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176 Regulars characters insert themselves into the buffer.
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177 When return is typed, the entire current line of the buffer
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178 (except possibly the prompt) is sent to the inferior process.
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179 Line mode is basically the original shell mode from earlier Emacs versions.
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180
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181 To switch from line mode to character mode type @kbd{C-c C-k}.
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182 To switch from character mode to line mode type @kbd{C-c C-j}.
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183
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184 In either mode, "echoing" of user input is handled by the inferior.
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185 Therefor, in line mode after an input line at the end of the buffer
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186 is sent to the inferior, it is deleted from the buffer.
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187 This is so that the inferior can echo the input, if it wishes
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188 (which it normally does).
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189
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190 @node Connecting to remote computers
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191 @section Connecting to remote computers
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192
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193 If you want to login to a remove computer, you can do that just as
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194 you would expect, using whatever commands you would normally use.
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195
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196 (This is worth emphasizing, because earlier versions of @code{shell}
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197 mode would not work properly if you tried to log in to some other
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198 computer, because of the way echoing was handled. That is why
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199 there was a separate @code{telnet} mode to partially compensate for
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200 these problems. The @code{telnet} mode is no longer needed, and
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201 is basically obsolete.)
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202
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203 A program that asks you for a password will normally suppress
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204 echoing of the password, so the password will not show up in the buffer.
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205 This will happen just as if you were using a real terminal, if
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206 the buffer is in char mode. If it is in line mode, the password
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207 will be temporarily visible, but will be erased when you hit return.
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208 (This happens automatically; there is no special password processing.)
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209
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210 When you log in to a different machine, you need to specify the
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211 type of terminal your using. If you are talking to a Bourne-compatible
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212 shell, and your system understands the @code{TERMCAP} variable,
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213 you can use the command @kbd{M-x shell-send-termcap}, which
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214 sends a string specifying the terminal type and size.
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215 (This command is also useful after the window has changed size.)
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216
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217 If you need to specify the terminal type manually, you can try the
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218 terminal types "ansi" or "vt100".
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219
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220 You can of course run gdb on that remote computer. One useful
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221 trick: If you invoke gdb with the @code{--fullname} option,
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222 it will send special commands to Emacs that will cause Emacs to
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223 pop up the source files you're debugging. This will work
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224 whether or not gdb is running on a different computer than Emacs,
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225 assuming can access the source files specified by gdb.
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226
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227 @node Paging
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228 @section Paging
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229
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230 When the pager is enabled, Emacs will "pause" after each screenful
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231 of output (since the last input sent to the inferior).
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232 It will enter "pager" mode, which feels a lot like the "more"
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233 program: Typing a space requests another screenful of output.
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234 Other commands request more or less output, or scroll backwards
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235 in the @code{term} buffer. In pager mode, type @kbd{h} or @kbd{?}
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236 to display a help message listing all the available pager mode commands.
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237
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238 In either character or line mode, type @kbd{C-c p} to enable paging,
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239 and @kbd{C-c D} to disable it.
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240
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241 @node Terminal escapes
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242 @section Terminal Escape sequences
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243
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244 A program that does "graphics" on a terminal controls the
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245 terminal by sending strings called @dfn{terminal escape sequences}
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246 that the terminal (or terminal emulator) interprets as special commands.
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247 The @code{term} mode includes a terminal emulator that understands
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248 standard ANSI escape sequences, originally popularized by VT100 terminals,
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249 and now used by the @code{xterm} program and most modern terminal
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250 emulator software.
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251
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252 @menu
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253 * Cursor motion:: Escape sequences to move the cursor
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254 * Erasing:: Escape commands for erasing text
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255 * Inserting and deleting:: Escape sequences to insert and delete text
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256 * Scrolling:: Escape sequences to scroll part of the visible window
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257 * Command hook::
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258 * Miscellaneous escapes::
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259 @end menu
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260
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261 printing chars
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262
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263 tab
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264
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265 LF
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266
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267 @node Cursor motion
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268 @subsection Escape sequences to move the cursor
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269
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270 @table @kbd
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271 @item RETURN
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272 Moves to the beginning of the current screen line.
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273
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274 @item C-b
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275 Moves backwards one column. (Tabs are broken up if needed.)
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276 @comment Line wrap FIXME
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277
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278 @item Esc [ R ; C H
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279 Move to screen row R, screen column C, where (R=1) is the top row,
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280 and (C=1) is the leftmost column. Defaults are R=1 and C=1.
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281
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282 @item Esc [ N A
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283 Move N (default 1) screen lines up.
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284 @item Esc [ N B
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285 Move N (default 1) screen lines down.
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286 @item Esc [ N C
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287 Move N (default 1) columns right.
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288 @item Esc [ N D
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289 Move N (default 1) columns left.
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290 @end table
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291
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292 @node Erasing
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293 @subsection Escape commands for erasing text
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294
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295 These commands "erase" part of the sub-buffer.
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296 Erasing means replacing by white space; it is not the same as deleting.
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297 The relative screen positions of things that are not erased remain
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298 unchanged with each other, as does the relative cursor position.
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299
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300 @table @kbd
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301 @item E [ J
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302 Erase from cursor to end of screen.
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303 @item E [ 0 J
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304 Same as E [ J.
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305 @item E [ 1 J
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306 Erase from home position to point.
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307 @item E [ 2 J
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308 Erase whole sub-buffer.
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309 @item E [ K
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310 Erase from point to end of screen line.
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311 @item E [ 0 K
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312 Same as E [ K.
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313 @item E [ 1 K
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314 Erase from beginning of screen line to point.
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315 @item E [ 2 K
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316 Erase whole screen line.
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317 @end table
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318
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319 @node Inserting and deleting
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320 @subsection Escape sequences to insert and delete text
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321
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322 @table @kbd
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323 @item Esc [ N L
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324 Insert N (default 1) blank lines.
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325 @item Esc [ N M
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326 Delete N (default 1) lines.
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327 @item Esc [ N P
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328 Delete N (default 1) characters.
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329 @item Esc [ N @@
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330 Insert N (default 1) spaces.
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331 @end table
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332
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333 @node Scrolling
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334 @subsection Escape sequences to scroll part of the visible window
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335
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336 @table @kbd
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337 @item Esc D
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338 Scroll forward one screen line.
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339
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340 @item Esc M
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341 Scroll backwards one screen line.
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342
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343 @item Esc [ T ; B r
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344 Set the scrolling region to be from lines T down to line B inclusive,
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345 where line 1 is the topmost line.
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346 @end table
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347
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348 @node Command hook
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349 @subsection Command hook
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350
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351 If @kbd{C-z} is seen, any text up to a following @key{LF} is scanned.
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352 The text in between (not counting the initial C-z or the final LF)
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353 is passed to the function that is the value of @code{term-command-hook}.
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354
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355 The default value of the @code{term-command-hook} variable
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356 is the function @code{term-command-hook}, which handles the following:
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357
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358 @table @kbd
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359 @item C-z C-z FILENAME:LINENUMBER:IGNORED LF
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360 Set term-pending-frame to @code{(cons "FILENAME" LINENUMBER)}.
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361 When the buffer is displayed in the current window, show
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362 the FILENAME in the other window, and show an arrow at LINENUMBER.
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363 Gdb emits these strings when invoked with the flag --fullname.
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364 This is used by gdb mode; you can also invoke gdb with this flag
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365 from shell mode.
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366
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367 @item C-z / DIRNAME LF
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368 Set the directory of the term buffer to DIRNAME
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369
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370 @item C-z ! LEXPR LF
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371 Read and evaluate LEXPR as a Lisp expression.
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372 The result is ignored.
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373 @end table
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374
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375 @node Miscellaneous escapes
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376 @subsection Miscellaneous escapes
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377
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378 @table @kbd
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379 @item C-g (Bell)
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380 Calls @code{(beep t)}.
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381
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382 @item Esc 7
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383 Save cursor.
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384
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385 @item Esc 8
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386 Restore cursor.
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387
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388 @item Esc [ 47 h
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389 Switch to the alternate sub-buffer,
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390 @item Esc [ 47 l
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391 Switch back to the regular sub-buffer,
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392 @end table
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393
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394 @bye