Line Edit Mode
While in LINE edit mode, the screen is divided into two areas; the command line (bottom line of screen) and the data lines (any lines above the bottom line). Text is entered by typing while the cursor is positioned on the command line. After striking the enter key, the screen rolls up one line. The text line (if not a command) moves up into the data lines leaving the command line free once again. The top line is removed from the screen and retained in the scratch area. As data is entered, it is examined to determine if it is a command or new data. If the line is data, and the tab character is the current character entered (normally blank), the cursor is moved over to the column at the beginning of the next field. If the current field is the last field defined, the tab character becomes part of the data line. If a data line is being re-entered (as a result of a command), the cursor normally returns to the beginning of the command line after striking the enter key (unless a :IC or :In command is in effect).
The BACKSPACE key erases the last character keyed and moves the cursor over that position for a new character to be entered. The CANCEL key (control-x) erases the entire line and position the cursor at the beginning of the current line. Commands are entered on the bottom line of the screen and all commands must begin with the current command character.
At initial editor execution, the editor uses a default set of Command Characters. The documentation in this help file assumes that the characters have not been modified. Most command characters (modify, tabbing, etc.) may be modified as outlined Command Character Modification. The colon Command Character (:) introduces the various editor commands.
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