About [[Blockly:Code.discard/en]]
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Fragment of a discussion from Translating talk:Blockly
It should first be confirmed that %1 refers to the number of blocks to be deleted (and not to some other adjective such as a colour or other category) and this should be documented.
Thanks. %1 is the number of blocks to be deleted, and seems to be 2 or more...
var count = Blockly.mainWorkspace.getAllBlocks().length; if (count < 2 || window.confirm(BlocklyApps.getMsg('discard').replace('%1', count))) {