Bottom Menu: fix contrast has no units (#9392)

This should fix https://github.com/koreader/koreader/pull/9205#issuecomment-1200130686
2 years ago · 70642ba040
parent ed34a3078e
commit 70642ba040
1 changed files with 1 additions and 1 deletions
--- a/frontend/ui/data/optionsutil.lua
+++ b/frontend/ui/data/optionsutil.lua
@ -163,7 +163,7 @@ function optionsutil.showValues(configurable, option, prefix, document, unit)
                                            current, value_current, default)
        end
    else
-        if unit ~= "pt" then
+        if unit and unit ~= "pt" then
            unit = G_reader_settings:nilOrTrue("metric_length") and "mm" or "in"
        end
        text = T(_("%1\n%2\nCurrent value: %3%4\nDefault value: %5%6"), name_text, help_text,