[Dev-luatex] ligature in \localleftbox \localrightbox

Hironobu Yamashita h.y.acetaminophen at gmail.com
Sat May 19 15:12:54 CEST 2018


Hi,

LuaTeX does not handle ligature inside \localleftbox / \localrightbox.
(I found that \localleftbox{\hbox{<<~}} is OK, but ...)
The following source reproduces the problem:

\hsize=300pt
\font\x=ec-lmr10\x
{<<~\localleftbox{<<~}The original problem to be solved
was for fine French typesetting, in which guillemets
are placed running down the left side of a paragraph,
as in this paragraph, so long as material is being
quoted.~>>} Since \TeX\ breaks paragraphs in arbitrary
places, it was impossible to develop a robust macro
package that could, in a single pass, place the
guillemets in the right positions.
\bye

The source compiles fine with Aleph.
Is this change intended for LuaTeX?

Best regards,
Hironobu Yamashita


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