diff options
Diffstat (limited to 'tex/context/base/node-tra.lua')
| -rw-r--r-- | tex/context/base/node-tra.lua | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/tex/context/base/node-tra.lua b/tex/context/base/node-tra.lua index ea17c5738..5f060e4f3 100644 --- a/tex/context/base/node-tra.lua +++ b/tex/context/base/node-tra.lua @@ -319,8 +319,12 @@ local function listtoutf(h,joiner,textonly,last) end function nodes.listtoutf(h,joiner,textonly,last) - local joiner = joiner == true and utfchar(0x200C) or joiner -- zwnj - return listtoutf(tonut(h),joiner,textonly,last and tonut(last)) + if h then + local joiner = joiner == true and utfchar(0x200C) or joiner -- zwnj + return listtoutf(tonut(h),joiner,textonly,last and tonut(last)) + else + return "" + end end local what = { [0] = "unknown", "line", "box", "indent", "row", "cell" } |