COSESAI

Strikethrough Text Field Guide: When the Strike Has to Travel Beyond the Markdown Stripper

By xiezixing 2026年8月25日

Five practical situations where Unicode combining mark U+0336 beats ~~markdown strikethrough~~ — and how the strike survives the chat app sanitizer.

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BOM Character Remover Field Guide: When Three Invisible Bytes Break Half Your Stack

By xiezixing 2026年8月24日

A field guide to the byte order mark: where it lives, why it breaks half your stack, and how to strip it once so six downstream tools stop failing.

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Bubble Text Field Guide: When Four Variants of Enclosed Unicode Letters Beat a Single Style

By xiezixing 2026年8月24日

Bubble Text wraps letters in enclosed Unicode glyphs (ⓐⓑⓒ, ❶❷❸, 🅐🅑🅒) — plain text, no font swap. Field guide to the four variants and which block survives where.

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Superscript & Subscript Converter Field Guide — When Real Unicode Glyphs Beat HTML Wrappers

By xiezixing 2026年8月21日

How the Superscript & Subscript Converter maps ASCII to real Unicode glyphs that survive any destination system — chat, code comments, CSV — without HTML wrappers.

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Small Caps Converter: A Field Guide to Unicode Phonetic Extensions

By xiezixing 2026年8月19日

Small caps are Unicode, not a font toggle. The Small Caps Converter turns the uppercase…

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Cursive Text field guide: when the elegant signature look rides on plain Unicode

By xiezixing 2026年8月18日

Cursive Unicode glyphs render the elegant hand-written look without a font file — paste any…

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Unicode Escape Converter Field Guide: When the Code Point Finally Meets the Escape Sequence

By xiezixing 2026年8月18日

A Unicode escape sequence isn’t a string; it’s a code point with a backslash costume.…

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Tiny Text Field Guide: When Unicode Superscript Saves the Bio

By xiezixing 2026年8月17日

Superscript and subscript are not font tricks — they are separate Unicode blocks, and Tiny…

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Superscript & Subscript Converter Field Guide: Unicode That Survives the Copy-Paste

By xiezixing 2026年8月14日

Real Unicode glyphs beat HTML ^{and _{tags when you want chemistry, math exponents, and footnote markers to survive the copy-paste into chat, code, and filenames.}}