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-rw-r--r--tex/context/base/lxml-tex.lua6
1 files changed, 4 insertions, 2 deletions
diff --git a/tex/context/base/lxml-tex.lua b/tex/context/base/lxml-tex.lua
index adeee20c3..0c58a47cc 100644
--- a/tex/context/base/lxml-tex.lua
+++ b/tex/context/base/lxml-tex.lua
@@ -354,7 +354,7 @@ end
function lxml.checkindex(name)
local root = getid(name)
- return (root and root.index) or 0
+ return root and root.index or 0
end
function lxml.withindex(name,n,command) -- will change as name is always there now
@@ -1185,7 +1185,9 @@ local function command(collected,cmd,otherwise)
lxml.addindex(name,false,true)
ix = e.ix
end
- if wildcard then
+ if not ix then
+ report_lxml("no valid node index for element %a in command %s",name,cmd)
+ elseif wildcard then
contextsprint(ctxcatcodes,"\\xmlw{",(gsub(cmd,"%*",e.tg)),"}{",name,"::",ix,"}")
else
contextsprint(ctxcatcodes,"\\xmlw{",cmd,"}{",name,"::",ix,"}")