Tweeks to teletype emulation and testing on various browsers. #3
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Merge pull request #1 from jgharston/master
Updates by JGH, Apr-2021 Tweeks to teletype emulation and testing on various browsers.
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// Updates by JGH, Apr-2021
// CHR$127 ignored, CHR$8 backspace, CHR$9 TABs expand option
// single-spaced lines, >CHR$96 forced to upper case, CHR$96=UKP
// CHR$95 prints underline using half-spaced hyphen, CHR$12 formfeeds
// BS, TAB, ESC, Ctrl-Letter return keypresses
// BUGS: Firefox: prevents Ctrl-N, Ctrl-T, Ctrl-W, impossible to prevent this
// Chrome: almost all CHR$<32 intercepted by browser, including ESC and BS
// SeaMonkey: returns all control characters
See mdfs.net/tty for installed example.