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Diffstat (limited to 'tex/context/base/attr-lay.lua')
| -rw-r--r-- | tex/context/base/attr-lay.lua | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tex/context/base/attr-lay.lua b/tex/context/base/attr-lay.lua index ce76bb899..e12938fa4 100644 --- a/tex/context/base/attr-lay.lua +++ b/tex/context/base/attr-lay.lua @@ -178,7 +178,7 @@ function viewerlayers.define(settings) local tag = settings.tag if not tag or tag == "" then -- error - else + elseif not scopes[tag] then -- prevent duplicates local title = settings.title if not title or title == "" then settings.title = tag |