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Diffstat (limited to 'tex/context/base/strc-reg.lua')
| -rw-r--r-- | tex/context/base/strc-reg.lua | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tex/context/base/strc-reg.lua b/tex/context/base/strc-reg.lua index d37997baf..b2deb0605 100644 --- a/tex/context/base/strc-reg.lua +++ b/tex/context/base/strc-reg.lua @@ -671,7 +671,13 @@ function registers.flush(data,options,prefixspec,pagespec) local entry = data[d] if entry.metadata.kind == "see" then local list = entry.list - list[#list] = nil + if #list > 1 then + list[#list] = nil + else + -- we have an \seeindex{Foo}{Bar} without Foo being defined anywhere + report_registers("invalid see entry in register '%s', reference '%s'", + entry.metadata.name or "?",list[1][1] or "?") + end end end while d < #data do |