Markdown: Documentation & Writing for Claude Code | AI Skill Market | AI Skill Market

Markdown: Documentation & Writing for Claude Code | AI Skill Market | AI Skill Market

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Source

GitHub

Open source

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Whitespace Traps

Blank line required before lists, code blocks, and blockquotes—without it, many parsers continue the previous paragraph
Nested lists need 4 spaces (not 2) for GitHub/CommonMark; 2 spaces breaks nesting in strict parsers
Two trailing spaces for
```
<br>
```
break—invisible and often stripped by editors; prefer blank line or
```
<br>
```
tag
Lines with only spaces still break paragraphs—trim trailing whitespace

Links & Images

Parentheses in URLs break
```
[text](url)
```
—use
```
%28
```
```
%29
```
or angle brackets:
```
[text](<url with (parens)>)
```
Spaces in URLs need
```
%20
```
or angle bracket syntax
Reference-style links
```
[text][ref]
```
fail silently if
```
[ref]: url
```
is missing—verify all refs exist
Images without alt text: always provide
```
![alt](url)
```
even if empty
```
![]()
```
for accessibility tools

Code

Triple backticks inside fenced blocks—use 4+ backticks for outer fence or indent method
Inline backticks containing backtick—wrap with double backticks and pad:
```
`` `code` ``
```
Language hint after fence affects syntax highlighting—omit only when truly plain text

Tables

Alignment colons go in separator row:
```
:---
```
left,
```
:---:
```
center,
```
---:
```
right
Pipe
```
|
```
in cell content needs backslash escape:
```
\|
```
No blank line before table—some parsers fail
Empty cells need at least one space or break rendering

Escaping

Characters needing escape in text:
```
\*
```
,
```
\_
```
,
```
\[
```
,
```
\]
```
,
```
\#
```
,
```
\>
```
,
```
\``, 
```
\`
Escape not needed inside code spans/blocks
Ampersand only needs escape as
```
&amp;
```
when it could form an HTML entity

Portability

HTML tags work in GitHub but stripped in many renderers—prefer pure Markdown
Extended syntax (footnotes, task lists, emoji shortcodes) not universal—check target parser
YAML frontmatter needs
```
---
```
fences and only at file start; some parsers render it as text