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-rw-r--r--systems/doc/luatex/luatex-tex.tex5
1 files changed, 4 insertions, 1 deletions
diff --git a/systems/doc/luatex/luatex-tex.tex b/systems/doc/luatex/luatex-tex.tex
index bfa4c5ba17..e55c3cace9 100644
--- a/systems/doc/luatex/luatex-tex.tex
+++ b/systems/doc/luatex/luatex-tex.tex
@@ -1980,10 +1980,12 @@ You can kick in your own nesting level visualizer, for instance:
\starttyping
callback.register("input_level_string",function(n)
- if tex.tracingmacros > 0 and tex.count.tracingstacklevels > 0 then
+ if tex.tracingmacros > 0 and tex.count.tracingstacklevels > 0 then
if tex.tracingmacros > 1 then
return "! " .. string.rep(">",n) .. " "
end
+ end
+ return ""
end)
\stoptyping
@@ -2000,6 +2002,7 @@ Or, in sync with other engines (not checked):
return string.rep("~",l) .. string.rep(".",n-l)
end
end
+ return ""
end)
}
\stoptyping