add two new system messages for error messages

2 files changed, 4 insertions, 2 deletions

diff --git a/Vote.php b/Vote.php
index b27cb5b..ada160a 100644
--- a/Vote.php
+++ b/Vote.php
@@ -74,12 +74,12 @@ class VoteHooks {
 
 				if (!$date) {
 					$addErrorCategory();
-					$voteText .= formatError("invalid date" . ':') . " $line\n";
+					$voteText .= formatError($msg('vote-error-invalid-date') . ':') . " $line\n";
 					continue;
 				}
 				if (!in_array($vote, self::$options)) {
 					$addErrorCategory();
-					$voteText .= formatError("invalid vote (expected YES, NO or ABSTAIN)" . ':') . " $line\n";
+					$voteText .= formatError($msg('vote-error-invalid-vote', '(YES, NO, ABSTAIN)') . ':') . " $line\n";
 					continue;
 				}
 
diff --git a/i18n/en.json b/i18n/en.json
index 3be3c6f..e948cd7 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -17,6 +17,8 @@
 	"vote-error-end": "Failed to parse end date (expected YYYY-MM-DD).",
 	"vote-error-missing-newline": "Please add a line break before </vote>",
 	"vote-error-one-vote-per-page": "There can only be one active vote per page (and it has to be the first one).",
+	"vote-error-invalid-date": "invalid date",
+	"vote-error-invalid-vote": "invalid vote, expected one of $1",
 	"vote-already-yes": "You already voted to approve.",
 	"vote-already-no": "You already voted to oppose.",
 	"vote-already-abstain": "You already chose to abstain.",