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Iurii Rogulia, senior full-stack software engineer. Professionally building software since 2001.

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TMI Iurii Rogulia
VAT ID: FI29845875
DUNS: 368664211
Lappeenranta, Finland 🇫🇮

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Iurii Uses: #Conformance Testing

1 project · 1 article

Projects

polytypo.dev – Locale-Correct Typography Engine and Spec
polytypo.dev – Locale-Correct Typography Engine and Spec
September 8, 2026
polytypo.dev – Locale-Correct Typography Engine and Spec

Open-source spec and engine that turns straight quotes, hyphens and three dots into curly quotes, dashes, ellipses and no-break spaces for 10 locales.

Stack

TypeScriptJavaScriptPythonPHPGoRuby

Libraries

micromarkparse5tree-sitter

Services

npmPyPIPackagistRubyGemsGitHub ActionsGitHub Pages

Topics

Open SourceDeveloper Toolsi18nTypographyConformance TestingProperty-Based Testing

Articles

How a Typography Pipeline Actually Rewrites Text: Order, Spans, and Fixed Points
September 16, 2026· 25 min
How a Typography Pipeline Actually Rewrites Text: Order, Spans, and Fixed Points

polytypo’s typography engine is a nine-rule pipeline that locates and rewrites text without ever building or reprinting an AST.

Stack

TypeScriptNode.js

Libraries

cheerio

Topics

Open SourceDeveloper Toolsi18nTypographyConformance TestingArchitecture
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