## Description Attribute of composite tuple starting with colon is not working in js ## Reproduction A minimal reproduction is provided on [stackblitz](https://stackblitz.com/edit/node-6o4quy?file=README.md&view=editor) ```js const d = require('datascript') const db = d.db_with( d.empty_db({ 'a+b': { ':db/tupleAttrs': [':a', 'b'] } }), [{ ':a': 'A', b: 'B' }] ) console.log(d.q('[:find ?e ?a+b :where [?e "a+b" ?a+b]]', db)) ``` ### Actual Output ``` [ [ 1, [ null, 'B' ] ] ] ``` ### Expected Output ``` [ [ 1, [ 'A', 'B' ] ] ] ``` ## Version - datascript: 1.3.15 ## Maybe Related #422