We should eventually make ELinks use terminfo, but that has not yet been done:
ELinks bug 96 - Use terminfo to determine various escape sequences http://bugzilla.elinks.cz/show_bug.cgi?id=96 However, I don't think terminfo would actually help prevent the cursor from obscuring the character behind it. In general, xterm does not appear to allow programs such as ELinks to adjust the cursor so that both the cursor and the character would be visible. What can be done: - The cursor can be made to blink. Then the character will at least be visible part of the time. This can be done via X resources, the xterm command line, or the vtMenu. ELinks could also send a control sequence to enable blinking, but we must not make that change, because if blinking has been enabled in some other way, then the control sequence would actually disable it. - The colour of the cursor can be changed. I have an X resource "UXTerm.VT100.cursorColor: #f66", which makes even white text partially readable. ELinks could also change the colour with a control sequence, but there doesn't seem to be a way to ask xterm what the colour was originally, so people would then complain that ELinks does not restore it. - Terminfo capabilities civis, cnorm, cvvis control the visibility of the cursor. The civis string makes the cursor invisible so ELinks should not use that in input fields. The only difference between cnorm (normal) and cvvis (very visible) seems to be that cvvis disables blinking. ELinks does not send any of these strings. All in all, I don't see how we could change ELinks to make the character behind the cursor more visible, without hurting the visibility for some other xterm settings.
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