# Concise Markdown Style Guide
## Headings
- Use ATX-style headings with hash signs (`#`) and a space after (`# Heading`)
- Increment headings by one level only (don't skip from `#` to `###`)
- No duplicate heading text among siblings
- One top-level (`#`) heading per document as the first line
- No punctuation at end of headings
- Surround with single blank line
## Text Formatting
- Line length: maximum 80 characters
- Use consistent emphasis: `*italic*` and `**bold**`
- No spaces inside emphasis markers
- Use single blank lines between sections
- Files end with a single newline
- No trailing spaces (except two spaces for line breaks)
- Use spaces for indentation, not tabs
## Lists
- Unordered lists: use consistent marker (preferably `-`)
- Ordered lists: either sequential numbers or all `1.`
- List indentation: 2 spaces for unordered, 3 for ordered
- One space after list markers
- Surround lists with blank lines
## Code
- Use fenced code blocks (```) with language specified
- For inline code, use backticks without internal spaces (`` `code` ``)
- Don't use `$` before commands unless showing output too
- Surround code blocks with blank lines
## Links & Images
- Format: `[text](url)` for links, `` for images
- No empty link text
- Enclose URLs in angle brackets or format as links
- No spaces inside link brackets
- Ensure link fragments point to valid headings
## Other Elements
- Blockquotes: use `>` with one space after
- Tables: consistent pipe style with equal column count
- Horizontal rules: three hyphens `---` on a separate line
- Avoid inline HTML when possible
- Maintain proper capitalization for product names
## General Guidelines
- Use consistent styling throughout
- Prioritize clarity and readability
- Validate with a Markdown linter