Bugfix: JFM glue whose priority is not zero didn't stretched in \ltjruby.

diff --git a/src/ltj-ruby.lua b/src/ltj-ruby.lua
index 42c4074..6cf1b3f 100644 (file)
--- a/src/ltj-ruby.lua
+++ b/src/ltj-ruby.lua
@@ -176,11 +176,10 @@ do
       local hh, hd = getfield(box, 'height'), getfield(box, 'depth')
       local hx = h
       while hx do
-        if has_attr(hx, attr_icflag) == KANJI_SKIP
-           or has_attr(hx, attr_icflag) == KANJI_SKIP_JFM
-           or has_attr(hx, attr_icflag) == XKANJI_SKIP
-           or has_attr(hx, attr_icflag) == XKANJI_SKIP_JFM
-           or has_attr(hx, attr_icflag) == FROM_JFM then
+         local hic = has_attr(hx, attr_icflag)
+        if (hic == KANJI_SKIP) or (hic == KANJI_SKIP_JFM)
+            or (hic == XKANJI_SKIP) or (hic == XKANJI_SKIP_JFM)
+            or ((hic<=FROM_JFM+2) and (hic>=FROM_JFM-2)) then
            -- この 5 種類の空白をのばす
               if getid(hx) == id_kern then
                  local k = node_new(id_glue)