less: fix <tab><backspace> buglet

This commit is contained in:
Denis Vlasenko 2006-12-31 19:36:01 +00:00
parent 95b307103a
commit 50ddabc859

View File

@ -212,13 +212,13 @@ static void read_lines(void)
}
}
c = readbuf[readpos];
/* backspace? [need this for manpage display] */
if (c == '\x8' && linepos) {
/* backspace? [needed for manpages] */
/* <tab><bs> is (a) insane and */
/* (b) harder to do correctly, so we refuse to do it */
if (c == '\x8' && linepos && p[-1] != '\t') {
readpos++; /* eat it */
/* We do not consider the case of <tab><bs> */
/* Anyone who has that is pure evil :) */
linepos--;
*p-- = '\0';
*--p = '\0';
continue;
}
if (c == '\t')