DECSCA—Select Character Protection Attribute
DECSCA defines the characters that come after it as erasable or not erasable from the screen. The selective erase control functions (DECSED and DECSEL) can only erase characters defined as erasable.
Available in: VT Level 4 mode only
defines all characters that follow the DECSCA function as erasable or not erasable.
|0 (default)||DECSED and DECSEL can erase characters.|
|1||DECSED and DECSEL cannot erase characters.|
|2||Same as 0.|
Note on DECSCA
DECSCA does not effect visual character attributes set by the select graphic rendition (SGR) function.