• The line "selectWorld.backupWarning" reads: "This world was last played in version %s, you are on snapshot %s."
• "block.minecraft.bed.too_far_away": "You may not rest now, the bed is too far away"
• "block.minecraft.bed.not_safe": "You may not rest now, there are monsters nearby"
• "structure_block.size_failure" reads: "Unable to detect structure size, add corners with matching structure names"
• "commands.data.get.invalid": "Can't get %s, only numeric tags are allowed",
• "commands.data.get.unknown": "Can't get %s, tag doesn't exist",
• "commands.scoreboard.players.get.null": "Can't get value of %s for %s, none is set"
• "commands.difficulty.failure": "The difficulty did not change, it is already set to %s"
• "commands.scoreboard.objectives.display.alreadyEmpty": "Nothing changed, that display slot is already empty",
• "commands.scoreboard.objectives.display.alreadySet": "Nothing changed, that display slot is already showing that objective",
• "commands.scoreboard.players.enable.failed": "Nothing changed, that trigger is already enabled",
• "commands.team.empty.unchanged": "Nothing changed, that team is already empty",
• "commands.team.option.color.unchanged": "Nothing changed, that team already has that color",
• "commands.team.option.friendlyfire.alreadyEnabled": "Nothing changed, friendly fire is already enabled for that team",
• "commands.team.option.friendlyfire.alreadyDisabled": "Nothing changed, friendly fire is already disabled for that team",
• "commands.team.option.seeFriendlyInvisibles.alreadyEnabled": "Nothing changed, that team can already see invisible teammates",
• "commands.team.option.seeFriendlyInvisibles.alreadyDisabled": "Nothing changed, that team can already not see invisible teammates",
• "commands.team.option.nametagVisibility.unchanged": "Nothing changed, nametag visibility is already that value",
• "commands.team.option.deathMessageVisibility.unchanged": "Nothing changed, death message visibility is already that value",
• "commands.team.option.collisionRule.unchanged": "Nothing changed, collision rule is already that value",
• "commands.worldborder.center.failed": "Nothing changed, the world border is already centered there",
• "commands.worldborder.set.failed.nochange": "Nothing changed, the world border is already that size",
• "commands.worldborder.warning.time.failed": "Nothing changed, the world border warning is already that amount of time",
• "commands.worldborder.warning.distance.failed": "Nothing changed, the world border warning is already that distance",
• "commands.worldborder.damage.buffer.failed": "Nothing changed, the world border damage buffer is already that distance",
• "commands.worldborder.damage.amount.failed": "Nothing changed, the world border damage is already that amount"
• "commands.op.failed": "Nothing changed, the player is already an operator",
• "commands.pardon.failed": "Nothing changed, the player isn't banned",
• "commands.enchant.failed": "Nothing happened, targets either have no item in their hand or the enchantment could not be applied",
• "commands.deop.failed": "Nothing changed, the player is not an operator",
• "commands.banip.failed": "Nothing changed, that IP is already banned",
• "commands.ban.failed": "Nothing changed, the player is already banned",
• "commands.bossbar.set.players.unchanged": "Nothing changed, those players are already on the bossbar with nobody to add or
• remove",
• "commands.bossbar.set.name.unchanged": "Nothing changed, that's already the name of this bossbar",
• "commands.bossbar.set.color.unchanged": "Nothing changed, that's already the color of this bossbar",
• "commands.bossbar.set.style.unchanged": "Nothing changed, that's already the style of this bossbar",
• "commands.bossbar.set.value.unchanged": "Nothing changed, that's already the value of this bossbar",
• "commands.bossbar.set.max.unchanged": "Nothing changed, that's already the max of this bossbar",
• "commands.bossbar.set.visibility.unchanged.hidden": "Nothing changed, the bossbar is already hidden",
• "commands.bossbar.set.visibility.unchanged.visible": "Nothing changed, the bossbar is already visible",

All are comma splices and can be fixed with a semicolon or period.