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ManUtils: Fix display of double-formatted characters

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Grotty outputs double-formatted characters for some (old) manual pages.
This fix ignores the second part of the double-formatting, thus making
things readable again.
This commit is contained in:
Yorhel 2012-07-11 13:53:35 +02:00
parent 5f87ab9069
commit eb3e6cf929
1 changed files with 15 additions and 5 deletions
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20
lib/ManUtils/ManUtils.xs
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@ -238,18 +238,28 @@ static void parselines(ctx_t *x) {
while(*buf) {
int c1 = UTF8SKIP(buf);
// Escape character right after a formatting code? Ignore the escape
// character and formatting code after that. Grotty sometimes
// double-formats a character, so you get "f ESC c ESC f ESC c", which you
// should read as "(f ESC c) ESC (f ESC c)".
if(*buf == 8 && buf[1] && buf[1+UTF8SKIP(buf+1)] == 8 && buf[2+UTF8SKIP(buf+1)]) {
int c2 = UTF8SKIP(buf+1);
buf += 2 + c2 + UTF8SKIP(buf+1+c2);
continue;
}
// Formatting code
if(buf[c1] == 8 && buf[c1+1]) {
int c2 = UTF8SKIP(buf+c1+1);
for(i=0; i<c2; i++)
appendline(x, buf[c1+i+1], *buf == '_' ? LI : LB);
buf += c1+c2+1;
continue;
} else {
if(*buf == '\n' && !buf[1])
x->noref = 1;
appendline(x, *buf, 0);
buf++;
}
// Regular character
if(*buf == '\n' && !buf[1])
x->noref = 1;
appendline(x, *buf, 0);
buf++;
}
x->noref = 1;
appendline(x, '\n', 0);