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Дата изменения: Fri Jan 17 12:43:14 1997
Дата индексирования: Mon Oct 1 22:16:21 2012
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MicroEMACS Quick Reference

MicroEMACS Quick Reference

=>              MicroEMACS 3.8 Help screens             (01/18/87)


M-  means to use the <ESC> key prior to using another key
^A  means to use the control key at the same time as the A key


^V or [Pg Dn]     Scroll down           M-< or <HOME>   Beginning of file
^Z or [Pg Up]     Scroll up             M-> or <END>    End of file


-----------------------------------------------------------------------------

=>              (1) MOVING THE CURSOR


^F  Forward character   M-F    Forward word             Keypad arrows
^B  Backward character  M-B    Backward word            are active!
^A  Front of line       M-G    Goto a line
^E  End of line
^N  Next line           M-N    Front of paragraph
^P  Previous line       M-P    End of paragraph

-----------------------------------------------------------------------------

=>              (2) DELETING & INSERTING


<--             Delete previous character
^D or <DELETE>  Delete next character
^C or <INSERT>  Insert a space
M-<--           Delete previous word
M-D             Delete next word
^K              Close (delete) to end of line

-----------------------------------------------------------------------------

=>              (2a) MORE DELETING & INSERTING


<RETURN>   Insert a newline             <TAB>  Advance to next tab stop
^J         Insert a newline and indent  M-^W   Delete paragraph
^O         Open (insert) line
^W         Delete region between mark (set using M-<spacebar>) and cursor
M-W        Copy region to kill buffer
^X ^O      Delete blank lines around cursor

-----------------------------------------------------------------------------

=>              (3) SEARCHING


^S      Search forward from cursor position.
^R      Reverse search from cursor position.
^X S    Forward incremental search
^X R    Reverse incremental search
<ALT> S Search for the next occurence of the last string (IBM-PC only)
<ALT> R Search for the last occurence of the last string (IBM-PC only)

-----------------------------------------------------------------------------

=>              (4) REPLACING


M-R   Replace all instances of first typed-in string with second
typed-in string.  End each string with ESC.
M-^R  Replace with query.  Answer with:
^G  cancel                      .   exit to entry point
!   replace the rest            Y    replace & continue
?   Get a list of options       N   no replacement & continue

-----------------------------------------------------------------------------

=>              (5) CAPITALIZING & TRANSPOSING


M-U     UPPERCASE word
M-C     Capitalize word         ^T      Transpose characters
M-L     lowercase word
^X ^L   lowercase region
^X ^U   uppercase region
^Q      Quote next entry, so that control codes may be entered into text

-----------------------------------------------------------------------------

=>              (6) REGIONS & THE KILL BUFFER


M-<spacebar>    set MARK at current position
^X ^X           eXchange mark and cursor


A REGION will then be continuously-defined as the area between the mark and
the current cursor position.  The KILL BUFFER is the text which has been
most recently saved or deleted.

-----------------------------------------------------------------------------

=>              (7) COPYING AND MOVING


^W  Delete (Wipe) region                M-W     copy region to KILL buffer
^Y  Yankback save buffer at cursor
Generally, the procedure for copying or moving text is:
1)  Mark a REGION using M-<spacebar> at beginning and cursor at end.
2)  Delete it (with ^W) or copy it (with M-W) into the KILL buffer.
3)  Move the cursor to the desired location and yank it back (with ^Y).

-----------------------------------------------------------------------------

=>              (8) MODES OF OPERATION


^X M    Add mode in buffer              M-M    Add global mode
^X ^M   Delete mode in buffer           M-^M   Delete global mode
OVER            Replaces (overwrites) rather than inserts characters
WRAP            Turns on word wrap (automatic carraige return).
VIEW            Allows viewing file without insertion and deletion.
CMODE           Automatic indenting for C program entry
ASAVE           Automatic saving of current buffer
EXACT/MAGIC     Changes how search and replace commands work (see next page)

-----------------------------------------------------------------------------

=>              (9) SEARCH AND REPLACE MODES


EXACT   Upper/lower case is not ignored in searches
MAGIC   Regular pattern matching characters are active
.   Matches any one character
*   Matches any any number of the preceding character
^   Beginning of line        [ ]   Character class enclosure
$   End of line              \     Quote next character

-----------------------------------------------------------------------------

=>              (10) ON-SCREEN FORMATTING


^X F            Set fill column
Mn-<tab>        Set tab spacing to n charecters between tabs stops
M-Q             Format paragraph so that text lies between margins
^X =            Position report -- displays line number, char count,
file size and character under cursor
M-^C            Count words/lines/chars in marked region

-----------------------------------------------------------------------------

=>              (11) MULTIPLE WINDOWS


Many WINDOWS may be active at once on the screen.  All windows may show
different parts of the same buffer, or each may display a different one.
^X 2    Split the current window in two ^X O    Change to next window
^X 0    delete current window           ^X P    Change to previous window
^X 1    delete all other windows        M-^V    Page down next window
M-^Z    Page up other window

-----------------------------------------------------------------------------

=>              (12) CONTROLLING WINDOWS AND THE SCREEN


^X ^    Enlarge current window   M-<n> ^X W   Resize window to <n> lines
^X ^Z   Shrink current window    M-<n> M-S    Change screen to <n> lines
^X ^N   Move window down         M-<n> M-T    Change screen to <n> columns
^X ^P   Move window up
M-^L    Reposition window
^L      Refresh the screen

-----------------------------------------------------------------------------

=>              (13) MULTIPLE BUFFERS


A BUFFER is a named area containing a document being edited.  Many buffers
may be activated at once.
^X B    Switch to another buffer.  <CR> = use just-previous buffer
^X X    Switch to next buffer in buffer list
M-^N    Change name of current buffer
^X K    Delete a non-displayed buffer.
^X ^B   Display buffer directory in a window

-----------------------------------------------------------------------------

=>              (14) READING FROM DISK


^X ^F   Find file; read into a new buffer created from filename.
(This is the usual way to begin editing a new file.)
^X ^R   Read file into current buffer, erasing its previous contents.
No new buffer will be created.
^X ^I   Insert file into current buffer at cursor's location.
^X ^V   Find a file to make current in VIEW mode

-----------------------------------------------------------------------------

=>              (15) SAVING TO DISK


^X ^S   Save current buffer to disk
or
M-^\    Save current buffer to disk
^X ^W   Write current buffer to disk
^X N    Change file name of current buffer
M-Z     Write out all changed buffers and exit MicroEMACS



-----------------------------------------------------------------------------

=>              (16) ACCESSING THE OPERATING SYSTEM


^X !    Send one command to the operating system and return
^X @@    Pipe DOS command results to buffer
^X #    Filter buffer through DOS filter program
^X C    Start a new command processor under MicroEMACS
^X D    Suspend MicroEMACS into the background (UNIX BSD4.2 only)
^X ^C   Exit MicroEMACS

-----------------------------------------------------------------------------

=>              (17) KEY BINDINGS AND COMMANDS


M-K     Bind a key to a command        M-A  Describe a class of commands
M-^K    Unbind a key from a command
^X ?    Describe command bound to a key
M-X     Execute a named (and possibly unbound) command
{Describe-bindings}
Display a list of all commands and key bindings to a buffer

-----------------------------------------------------------------------------

=>              (18) COMMAND EXECUTION


Commands can be specified as command lines in the form:
<optional repeat count> {command-name} <optional arguments>
{Execute-command-line}  execute a typed in command line
{Execute-buffer}        executes commands lines in a buffer
{Execute-file}          executes command lines from a file
{clear-message-line}    clears the message line during execution
M-~                  clears the change flag for a buffer

-----------------------------------------------------------------------------

=>              (19) MACRO EXECUTION


^X (    Start recording keyboard macro
^X )    Stop recording keyboard macro
^X E    Execute keyboard macro
M-<n> {store-macro}     Start recording named macro
!endm             Stop recording named macro
{execute-macro-n}       Execute macro n (where n is from 1 to 20)

-----------------------------------------------------------------------------

=>              (20) SPECIAL KEYS


^G              Cancel current command and return to top level of processing.
^U or           Universal repeat.  May be followed by an integer (default = 4)
M-<digit>       and repeats the next command that many times.
M-X             Execute a named (and possibly unbound) command


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