vertical dir. and longtable (texjporg/platex #21)

diff --git a/src/ltj-direction.lua b/src/ltj-direction.lua
index 359442f..61d0819 100644 (file)
--- a/src/ltj-direction.lua
+++ b/src/ltj-direction.lua
@@ -266,15 +266,22 @@ end
 
 -- hpack_filter, vpack_filter, post_line_break_filter
 -- の結果を組方向を明示するため，先頭に dir_node を設置
+local get_box_dir
 do
    local function create_dir_whatsit_hpack(h, gc)
       local hd = to_direct(h)
-      if gc=='fin_row' or gc == 'preamble'  then
+      if gc=='fin_row' then
         if hd  then
+           for p in traverse_id(15, hd) do -- unset
+              if get_box_dir(p, 0)==0 then
+                  setfield(p, 'head', create_dir_whatsit(getlist(p), 'fin_row', ltjs.list_dir))
+               end
+           end
            set_attr(hd, attr_icflag, PROCESSED_BEGIN_FLAG)
            ensure_tex_attr(attr_icflag, 0)
         end
         return h
+      elseif gc == 'preamble'  then
       else
         adjust_badness(hd)
         return to_node(create_dir_whatsit(hd, gc, ltjs.list_dir))
@@ -490,7 +497,7 @@ end
 
 -- 1st ret val: b の組方向
 -- 2nd ret val はその DIR whatsit
-local function get_box_dir(b, default)
+function get_box_dir(b, default)
    start_time_measure('get_box_dir')
    local dir = has_attr(b, attr_dir) or 0
    local bh = getfield(b,'head')
@@ -703,7 +710,7 @@ do
         local bid = getid(b)
         if bid==id_hlist or bid==id_vlist then
             local p = getlist(b)
-           -- alignment 由来
+           -- alignment の各行の中身が入ったボックス
             if p and getid(p)==id_glue and getsubtype(p)==12 then -- tabskip
               local np = node_next(p); local npid = getid(np)
               if npid==id_hlist or npid==id_vlist then

diff --git a/src/patches/lltjcore.sty b/src/patches/lltjcore.sty
index 703c00f..a075947 100644 (file)
--- a/src/patches/lltjcore.sty
+++ b/src/patches/lltjcore.sty
@@ -264,7 +264,7 @@
        \@texttop
        \dimen@ \dp\@outputbox
        \unvbox \@outputbox
-       \ifnum\ltjgetparameter{direction}=4\else\hskip\z@\fi %%% LuaTeX-ja
+       \ifnum\ltjgetparameter{direction}=4\else\vbox{\hskip\z@}\fi %%% LuaTeX-ja
        \vskip -\dimen@
        \@textbottom
        }%