fix: preserve double backslash in static template text (issue #349)#640
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\\ not followed by {{ now passes through verbatim. \\{{ still emits a
single \ before the expression (spec-compliant escape behavior preserved).
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Issue349 test methods were spliced inside Issue458_BlockHelperTemplateCompilationAndRender, causing CS0106 compiler errors on the nested public modifiers. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Fixes #349
Summary
\\in static template text not followed by{{now passes through verbatim instead of being collapsed to a single\\\{{still emits a single\before the expression (spec-compliant escape behavior preserved)Root cause
In
Tokenizer.cs, the\\branch unconditionally consumed both backslashes and emitted only one. The fix peeks at the character after the second\: if it's{, the original behavior is kept; otherwise both backslashes are emitted verbatim.Test plan
DoubleBackslashNotBeforeMustachePassesThroughVerbatim— core bug fixDoubleBackslashNotBeforeMustacheInJsonLikeTemplate— JSON scenario from the issueDoubleBackslashBeforeMustacheStillProducesSingleBackslash— spec escape behavior preservedSingleBackslashNotBeforeMustachePassesThroughVerbatim— single backslash unchanged🤖 Generated with Claude Code