An Info file contains key-value pairs that can be collected into nested groups.

# A single line comment stops here.

Longer comments:

#> Multi-line comment begins.
Continues...
And ends here. <#

Identifiers are case insensitive.

Key: Value
KEY = Value

When : is used, the remainder of the line is used as-is as the value. When the assignment operator = is used, only the following single token is used as the value.

Text strings can be broken onto multiple lines as follows. There are no escape sequences. However, two consecutive single-quote characters produce the “ character.

help =
    "Run game's in windowed mode. "
    "This is a ''long'' string that continues."
    

The value in a key-value definition may also be a list.

key <value1, value2, value3>

Note that no assignment operator or colon character is used in this case.

Blocks group one or more definitions together. A block may contain zero or more statements and/or nested blocks. Both curly brackets and parentheses can both be used to as delimiters.

Syntax example:

blocktype name {
    # ... Definition statements ...
}
 

Following the blocktype name pair that begins a group, you may add any number of attributes. An attribute is key-value pair that becomes a member of the group just like the definitions inside the block.

The following blocks all mean the same thing:

component jdoom {
    library: jDoom.dll
}
component jdoom library jDoom.dll {}
component jdoom {library="jDoom" ".dll"}  # note: string joining

boolean run-in-window requires jdoom (
  option: -wnd
  default:  this is the default?

  help = "Run game in windowed mode. "
    "This is a ''long'' string that continues."

  description: Can contain any # chars : even () {}
)

choice display-color-bits {
  options <16, 32>

  subblock test ( hey = there )
}

• Addon format
• Snowberry configuration files
• Info syntax parser implementation (Python)