COSESAI

Markdown Table Generator Field Guide: When Five Formatting Decisions Beat a Hand-Typed Pipe

By xiezixing 2026年10月2日

Five formatting decisions that turn raw CSV, JSON, or array data into paste-ready Markdown tables: alignment mode, header style, column widths, padding, and merge hints.

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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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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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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.}}

Cover image for Markdown to Slack mrkdwn blog post

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The Markdown Your Team Writes in GitHub Will Not Survive Slack Untouched

By xiezixing 2026年7月19日

GitHub-flavored Markdown and Slack mrkdwn share 60 percent of their grammar. The other 40 percent is where release notes, runbooks, and incident postmortems spend their time, and that is exactly where the converter at Markdown to Slack mrkdwn earns its keep.

Title Case Converter — AP, Chicago, Wikipedia style rules

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Title Case Converter: When ‘The’ Stays Lowercase

By xiezixing 2026年7月9日

Editorial title casing is not a single transformation — it's a style decision. AP, Chicago, and Wikipedia each draw the function-word line differently.