Add fragment variables to parseLiteral #476

Job	Run time
ci / Build 'denoDist' artifact	33s
ci / Build website	1m 28s
ci / Check for commonly ignored files	4s
ci / Build 'npmDist' artifact	1m 0s
ci / Check health of package-lock.json file	30s
ci / Run CodeQL security scan	1m 35s
ci / Run fuzzing tests	43s
ci / Run integration tests	1m 29s
ci / Lint source files	1m 1s
ci / Run tests on Node v16	41s
ci / Run tests on Node v18	47s
ci / Run tests on Node v19	39s
Deploy to `npm` branch	0s
Deploy to `deno` branch	0s
	10m 30s

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