replace couple_nodes with try_couple_nodes to manage null nodes
commitd403c9d24191e7d388ad657a9f76c4b455ce69ae
authorluigi <luigi@0b2b3880-5936-4365-a048-eb17d2e5a6bf>
Wed, 12 Feb 2014 14:41:14 +0000 (12 14:41 +0000)
committerluigi <luigi@0b2b3880-5936-4365-a048-eb17d2e5a6bf>
Wed, 12 Feb 2014 14:41:14 +0000 (12 14:41 +0000)
tree2ad8d485c90a2edacc1d6483ffbf1ca8ae48ceeb
parenta09790b28d4c1f1ec3d8d79eff74cbee375363d4
replace couple_nodes with try_couple_nodes to manage null nodes

git-svn-id: https://foundry.supelec.fr/svn/luatex/trunk@4804 0b2b3880-5936-4365-a048-eb17d2e5a6bf
source/texk/web2c/luatexdir/tex/mlist.w