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G'MIC Markdown (gmd)
The main documentation pages are written using a specific Markdown-like syntax, namely gmd (a.k.a. G'MIC Markdown).You can contribute writing documentation pages with this syntax.
gmd is defined by these simple rules:
A phrase between underscores (_) appears in italic.
_Hello world!_
is rendered as: Hello world! Hello world!A phrase between two consecutive asterisks (**) appears in bold.
**Hello world!**
is rendered as: Hello world!A phrase between backquotes appears as monospaced.
`Hello world!`
is rendered as: Hello world!A phrase between two consecutive single quotes appears as a link to an existing command or a reference section.
''reference''
is rendered as: reference (clickable link to command reference).A single word (without whitespaces) between single quotes appears as highlighted.
'Hello!'
is rendered as: Hello!.A URL in the text automatically becomes clickable, as: https://gmic.eu/reference/
A centered image is inserted when writing the image URL between two consecutive circumflexes (^^).
is rendered as: 
A phrase between two consecutive tildes ~~~ denotes a block of code.
~~~
This is a block of code
~~~
This is a block of code
~~~
A phrase between opening/closing braces denotes a list of values.
{ 0=dirichlet | 1=neuman | 2=periodic | 3=mirror }
is rendered as: { 0=dirichlet | 1=neuman | 2=periodic | 3=mirror }A command between two consecutives exclamation marks is evaluated and rendered as an inlined image.
!!sp gmicky,200 +mirror x +mirror y add normalize 0,255!!
is rendered as: !!sp gmicky,200 +mirror x +mirror y add normalize 0,255!!A line starting with *, - or . denotes a list item. The number of whitespaces before the bullet character sets the list indentation.
For instance,* This is a list item.
is rendered as: This is a list item.
A line starting with one, two or three number signs (#) corresponds to a section, a subsection or a subsubsection.
# This is a section
is rendered as:This is a section
## This is a subsection
is rendered as:This is a subsection
### This is a subsubsection
is rendered as:This is a subsubsection
#### This is a subsubsubsection
is rendered as:This is a subsubsubsection
A line composed of three consecutive dashes (---) is an horizontal separator line.
---
is rendered as: