Lint rules
unreachable-plural-case
errorFlags a translation that carries a plural case its own locale never selects.
Why this is bad
Each locale selects on its own set of CLDR categories, so a case outside that set is text no reader will ever see.
Examples
Examples of incorrect code for this rule:
messages/ja.json
{"messages": "{count, plural, one {新着メッセージが1件} other {新着メッセージが#件}}"}
(Japanese has no one category)
Examples of correct code for this rule:
messages/ja.json
{"messages": "{count, plural, other {新着メッセージが#件}}"}