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Display Control
Delete Character
When you use the delete character edit function, the cursor remains stationary, the character
at the cursor position is deleted, all characters between the cursor and the right margin move
left one column, and a blank moves into the line from the right margin.
This edit function is meant to he used within that portion of the workspace delineated by the
left and right margins. If you position the cursor to the left of the left margin, the delete
character function works as described above. If you position the cursor beyond the right
margin, however, the delete character function affects those characters from the current
cursor position through the right boundary of the screen.
The movement of existing characters during a "delete character" editing operation is il-
lustrated in figure 4-5.
Left
Margin
Right
Margin
•
=
Cursor
...--
=
Character Movement
Figure 4-5. Character Delete with Margins
When Format mode is off, any unprotected, transmit-only, alternate character set, and/or
video enhancement fields to the right of the cursor move to the left with the displayable
characters. If the cursor is positioned within any such field, the delete character function
shortens the range of the field by one position for each character deleted (you cannot,
however, delete the end-of-field marker in unprotected or transmit-only fields). Deleting the
first character position of an unprotected field changes the rest of the field to protected.
Deleting characters at the start of, or within, a video enhancement and/or alternate charac-
ter set field does not alter the characteristics of the rest of the field. Block terminators and
non-displaying terminators to the right of the cursor move to the left along with the display-
able characters and are deleted if they are at the cursor position when this function is
executed.
4-16
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