On Fri, May 15, 2015 at 12:06 AM, Hans Hagen <pragma@wxs.nl> wrote:
On 5/14/2015 7:56 PM, luigi scarso wrote:
Ah ok
Following the link above for the tracker 807, I have made the patch

if ((eqno_box != null) && (eqno_w == 0) && !l) {
         tail_append(new_penalty(inf_penalty));
         shift_amount(eqno_box) = line_s + line_w - eqno_w;
         append_to_vlist(eqno_box);
         g2 = 0;

and now I have the pdf in attachment

it will take a bit more work so no quick patch as we also need to check what happens in r2l mode (the code is similar to pdftex but luatex has a whole bunch of extra code related to directions)

Hans

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a patch is available in trunk, rev. 5244 (not in TeXLive 2015) .

--
luigi