OS/2 Professional/OS2PRO194.ISO/os2/editor/e2/helpkey

Text File | 1994-01-30 | 15.7 KB | 298 lines

~0
CMD - This key is the primary key for changing the effects of other keys on
    the keyboard.  When this key is depressed, the cursor goes to the
    bottom of the screen and "CMD:" appears.  A string-type command or a
    function key may be entered.  For example, the +PAGE key may be
    preceeded by the CMD key, causing the editor to display the top of the
    current file.
~1
WIN LEFT - This key causes the window to move to the left 16 spaces.  If the
    leftmost column is already column one, this key has no effect.  If
    preceeded by the CMD key, the window is moved all the way to the left.
~2
ALT - This key switches the window between the current file and its
    alternate file.
~3
INT - This key causes the an interruption in whatever may be going on in
    the editor.  It may be used for halting a fill or justify command, or a
    replay.
~4
OPEN - This key causes a single blank line to be opened above the cursor's
    current position.
~5
-SRCH - This key causes the editor to search the buffer from the current
    cursor location backwards to find a match for the contents of the match
    buffer.  If preceeded by the CMD key, -SRCH will first load the search
    buffer with the word that it is resting on (from the cursor loc to the
    next white space), and then search backwards for it.
~6
CLOSE - This key will copy the current line (or area) to the close buffer
    and remove it from the screen.  If MARK is used to delimit an area, the
    material to the right of the closed area will move to the left, filling
    it in.  If preceeded by the CMD key, CLOSE becomes UNCLOSE, returning
    the contents of the close buffer (same action as "insert close").
~7
MARK - This key will mark the cursor's current location.  This key is
    generally used to mark the top-left corner of a rectangular area before
    moving the cursor to the bottom-right corner (+1) and using OPEN,
    CLOSE, PUT, etc.  If preceeded by the CMD key, any marking is removed
    (UNMARK).
~8
LEFT ARROW - This key causes the cursor position to be shifted one
    character position to the left, without destroying any data on the
    screen.  When used following the CMD key, it becomes >LEFT, which moves
    the cursor to the left edge of the window.
~9
TAB - This key causes the cursor to be advanced to the next tab stop to the
    right.  If there is no tab stop to the right of the current cursor
    position, TAB is a no-operation.  When the editor is entered, tab stops
    are established by default to columns 1, 9, 17,..., and may be changed
    with the S/RTAB key and the typed commands "tab" and "tabs".
~10
DOWN ARROW - This key causes the cursor to be moved down one character
    position.  If the cursor was on the last line of the window, the window
    is redrawn to include the next line.  When used following CMD, this key
    becomes >DOWN, which moves the cursor straight down to the last line
    displayed on the window.
~11
HOME - This key moves the cursor to the uppermost left character position
    on the current window.  When used following CMD, it becomes >HOME,
    which moves the cursor the leftmost position on the last line displayed
    in the current window.
~12
PICK - This key will cause the area described (see MARK) to be copied to
    the pick buffer, and no change to the screen occurs.  When this key
    follows the CMD key, it becomes PUT, which causes the contents of the
    the pick buffer to be copied into the text at the current cursor
    position.  Any text formerly residing there is moved down if the pick
    buffer contains whole lines, or to the right, if the buffer contains an
    area.
~14
UP ARROW - This key causes the cursor to be moved up one character
    position.  If the cursor was on the first line of the window, the
    window is redrawn to include the preceeding line.  When used following
    CMD, this key becomes >UP, which moves the cursor straight up to the
    top line displayed on the window.
~15
INSRT - This key causes the editor to enter/exit the text-insert mode, in
    which data entered on the keyboard is inserted into the current line,
    rather than overwriting the data at the current cursor location.  The
    INSERT flag will appear on the info line at the bottom of the screen
    when the editor is in the insert mode.
~16
REPL - This key is used with the interactive replace command to cause the
    actual replacement to take place.  In normal operation, an interactive
    replacement command of the form CMD "replace interactive /str1/str2/"
    RETURN (usually abbreviated to CMD "rep i /str1/str2/" RETURN) is
    executed, and then the +SRCH and -SRCH keys are used to position the
    cursor at the occurance of str1 where the replacement is desired.  If
    REPL is pressed at this time, str2 is substituted for str1 at that
    location.
~17
-PAGE - This key will cause the window to move upwards in the text by one
    window length, bringing the data preceeding the current window into
    view.  When used following the CMD key, it becomes >-PAGE, which sets
    the window such that the first line in the file is at the top of the
    window.
~18
+SRCH - This key causes the editor to search the buffer from the current
    cursor location forwards to find a match for the contents of the match
    buffer.  If preceeded by the CMD key, +SRCH will first load the search
    buffer with the word that it is resting on (from the cursor loc to the
    next white space), and then search forwards for it.
~19
WIN RIGHT - This key will cause the window to be moved to the right 16
    character positions in the text.  If used following the CMD key +WIN
    RIGHT causes the window to be moved to the right until the end of the
    longest line if the current window is exposed.
~20
+LINES - This key causes the window to be moved downwards in the text about
    a third of the current window's length.
~21
DELCH - This keys causes the character at the current cursor position to be
    closed (that is, deleted, with the characters to the right moving left
    to fill in the space).  If used following the CMD key, it becomes
    +DELCH, which closes the current character and all characters to the
    right of it on the line.
~22
RWORD - This key causes the cursor to seek to the right for the beginning
    of the next word.  If there is no word to the right on the current
    line, the search continues on the next line.
~23
-LINES - This key causes the window to be moved upwards in the text about a
    third of the current window's length.
~24
LWORD - This key causes the cursor to seek to the left for the beginning of
    the previous word. If no word exists to the left of the cursor, it will
    "wrap around" to the last word of the preceeding line.
~25
+PAGE - This key will cause the window to move downwards in the text by one
    window length, bringing the data following the current window into
    view.  When used following the CMD key, it becomes >+PAGE, which sets
    the window such that the last line in the file is in view.
~26
CWDW - This key causes the current window to be moved into the background,
    and the next window (in the sense of creation order) to be moved into
    the foreground for editing.
~27
S/RTAB - This key causes a tab stop to be set at the column that the cursor
    is on.  If the key is preceeded by the CMD key, any tab stop at the
    cursor's location is reset.
~28
CTRLQ - This key causes the next character (in the ascii range @-_) to be
    converted into a control character (in the range NUL-US) and inserted
    into the buffer, regardless of its meaning to the editor.  Normally,
    the use of this key causes some kind of offbeat character to appear on
    the screen, and then the letter itself.  For example, the sequence
    CTRLQ-G causes a BEL character to be entered into the text.  When text
    containing control characters is edited, the embedded control
    characters are displayed in the same manner (the exception is HT
    (ctrl-I), which is expanded to blanks by the editor).
~29
-TAB - This character causes the cursor to be moved backwards to the next
    preceeding tab stop on the current line.  If there is no tab stop to
    the left of the cursor, no action takes place.
~30
BS - This character has many uses, depending on whether it was preceeded by
    the CMD key, and whether the editor is in insert mode:

    non-insert mode   no CMD key     replace the character to the left of the
                     cursor with a blank.
              CMD key        replace all characters to the left of the
                     cursor with blanks.
    insert mode       no CMD key     close the character to the left of the
                     cursor position.
              CMD key        close all the characters to the left of
                     the cursor location.
~31
RIGHT ARROW - This key causes the cursor position to be shifted one
    character position to the right, without destroying any data on the
    screen.  When used following the CMD key, it becomes >RIGHT, which
    moves the cursor to the right of the last nonblank characteron the
    line.  If it was allready in that position, >RIGHT moves the cursor to
    the right margin.
~129
ERASE - This key will erase the contents of the current line, leaving the
    blank line in the text.  If this key follows the CMD key, an UNERASE is
    done, copying the latest erased data back into the text.
~130
This key (whatever it was) is not implemented as an editor command.
~131
SPLIT - This key splits the current line into two, breaking the text just
    preceeding the cursor's current location.  If preceeded by the CMD key,
    the SPLIT becomes a JOIN (see JOIN).
~132
JOIN - This key causes the next line of text to be appended to the current
    line.  Any white space at the beginning of the next line is deleted,
    and a single space is inserted between the lines.  If this key is
    preceeded by the CMD key, the JOIN becomes a SPLIT (see SPLIT).
~133
EXIT - This key causes the editor to update the edited file and return
    control to the shell.
~134
ABORT - This key causes the editor to not update the current file, but
    simply close all files and return to the shell.  If the editor is
    invoked in the same directory afterwards, the editor will sense that
    the last time it was invoked it aborted, and request from the user what
    he wishes to do about that.
~135
REDRAW - This key will cause the screen to be redrawn.
~136
CTABS - This key causes all tab stops to be deleted.
~137
CENTER - This key will cause the current line to be centered within the
    current declared width of the file (default is 75 characters).
~138
FILL - This key will cause the lines from the current line to the next
    blank line to be filled within the current page width (default is 75
    characters).
~139
JUST - This key will cause the lines from the current line to the next
    blank line to be justified within the current page width (default is 75
    characters).
~140
CLEAR - This key is as yet unimplemented.
~141
TRACK - This key causes the track mode to be alternately entered and
    exited.  In the track mode any window movement command (+PAGE, RITE,
    etc.) will cause the same action to be taken on the current file and
    its alternate file at the same time, and thus they track one another.
    The presence of the track mode is indicated on the info line.
~142
BOX - This key causes a box to be drawn enclosing the marked area (see
    MARK).  The box is drawn with the characters +, -, and |.  Where a '-'
    is to replace a '|' character (or vice versa) a '+' is used instead.
~143
STOP - This key causes the editor to be placed in the stop state, awaiting
    a fg command to restart it.  Control is turned over to the C-shell.
~144
QUIT - This key causes the editor to be exited with no memory of the
    editing session.  All editing done during the session is lost.
~145
COVER - This key causes the current contents of the pick buffer to "cover"
    the text at the current cursor location.  The buffer data replaces the
    text data over the entire extent of the buffer.  If this key follows
    the CMD key, it becomes an PUT operation (see PICK).
~146
OLAY - This key causes the data in the pick buffer to overlay the text data
    at the current cursor location.  By this is meant that nonblank
    characters in the buffer replace text data.  If this key follows CMD,
    the effect is an ULAY (underlay), in which the buffer data replaces
    only blank data in the text.
~147
BLOT - This key causes the data in the pick buffer to blot the data in the
    text at the cursor's current location.  Blotting causes all data in the
    text which matches nonblank data in the buffer to be replaced with
    blanks.  If the CMD key preceeds this key, The effect is -BLOT, in
    which the blanks in the buffer cause blanks in the text.
~148
HELP - This key starts the help sequence.  What happens after it is pressed
    depends on the terminal that is being used, since the editor tailors
    the help sent to the terminal in use.  This key also may be used
    following the CMD key, which generally delivers some additional help
    features.
~149
CCASE - This key will cause the character under the cursor (or marked area)
    to change case.  This applies only to those characters which are
    alphabetic - no other characters area affected.  The cursor is moved
    to the right.
~150
CCAP - This key will cause the character under the cursor (or marked area)
    to be switched to upper case if it alphabetic and lower case.  No other
    characters are affected.  The cursor is moved to the right.
~151
AUTOF - This key alternately sets and resets the autofill mode, as
    signified in the info line.  Setting the autofill mode causes text
    typed into the editor to be line-filled automatically.  This means that
    as the words are typed, the one which causes the line to be too long
    will be erased from the current line, a new line opened, and that word
    and subsequent words will continue on that line.  Resetting the mode
    will cause data to be entered ontil the right margin is met, whereupon
    an error message will be displayed and no further text will be
    accepted.

    The left and right margins to be filled between may be set as follows:
    the left margin is by default the leftmost column of the window, but it
    may be changed by marking the desired column before entering AUTOF. The
    right margin is by default the current value of the linewidth, which
    defaults to 72, but may be reset to some other value by the "width=xx"
    option on the center, fill, or justify command.  If the CMD key is
    pressed before AUTOF, the location of the cursor at that time is made
    the right margin.  Note that doing so does not change the linewidth
    used for the center, fill, and justify commands.
~152
RANGE - This key, used with the <MARK> function, is used to delineate a
    range of lines within a file within which search and replace functions
    are to be limited. <RANGE> toggles the range mode; a flag at the bottom
    of the screen shows the state of the mode, preceeded by a <, =, or >,
    indicating respectively that the current line is before, within, or
    after the current range. If <RANGE> is used without <MARK>, the last
    range defined is reused (if one exists). The key sequence <CMD><RANGE>
    will display the line numbers that the range currently subsumes and the
    number of lines included. These will change when lines are added and/or
    deleted within the range.
~154
DWORD - This key will delete the next word.  If there's no text remaining
    on the current line, a search is made for the next word, and that
    word is deleted.