Fix tokenizer to skip closing braces inside quoted strings#2063
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The byte-scanning tokenizer does not account for quoted strings when
scanning for `}}` to terminate a variable token. A `}` inside a
quoted filter argument prematurely ends the token, causing a
SyntaxError.
For example, the following valid template fails to parse:
{{ message | replace: "{name}", customer_name }}
This patch makes `next_variable_token` skip over single- and
double-quoted strings so that their contents do not interfere with
`}}` detection.
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The byte-scanning tokenizer does not account for quoted strings when scanning for
}}to terminate a variable token. A}inside a quoted filter argument prematurely ends the token, causing a SyntaxError.For example, the following valid template fails to parse:
This patch makes
next_variable_tokenskip over single- and double-quoted strings so that their contents do not interfere with}}detection.