[EMAIL PROTECTED] wrote: > On Mar 14, 4:11 pm, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> > wrote: >> In the new textframe world, I've reorganized our implementation >> ofwhitespacecollapsing. >> >> The situation is confusing because there are really three kinds >> ofwhitespacecollapsing and elimination: >> 1) Collapsing of multiple consecutive spaces (including spaces >> consecutive across node boundaries) into one; the first space is >> retained and all the others are eliminated. > > Related to this I've run into a problem with ZWSP. HTML says that ZWSP > should collapse with other whitespace: > http://www.w3.org/TR/html401/struct/text.html#didx-white_space-1 > > Currently we don't do this --- e.g. > A​ ​ ​B > Is rendered with two spaces. > > If we try to do this, things get complicated because we need to track > whether a run of whitespace is all zero-width whitespace (in which > case it should collapse into a zero-width whitespace) or there's some > non-zero-width whitespace (in which case it should collapse into a > regular space). But the problem *then* is that we can no longer always > retain the first space and eliminate the others. E.g. > <span>​</span>​ Foo > We don't know whether the ZWSP in the span survives or not until we > encounter the first non-ZWSP after it. This makes life very > uncomfortable. > > Any thoughts on what the right thing to do is here?
CSS doesn't say anything about collapsing zwsp. ~fantasai _______________________________________________ dev-tech-layout mailing list [email protected] https://lists.mozilla.org/listinfo/dev-tech-layout

