MD020 - no-missing-space-closed-atx¶

Description¶

This rule is triggered when spaces are missing inside the hash characters in a closed ATX style heading. Both sides of the heading text must have a space separating it from the hash characters.

Fixable: Yes

Rationale¶

Violations of this rule can lead to improperly rendered content. Some Markdown parsers require spaces around heading text in closed ATX style headings for proper rendering.

Examples¶

Invalid¶

#Heading 1#

##Heading 2##

###Heading 3###

Missing spaces inside hashes on closed ATX style headings.

Valid¶

# Heading 1 #

## Heading 2 ##

### Heading 3 ###

Proper spacing around heading text in closed ATX style.