documentation of 'package choice' field type

doc/type/field.txt

@@ -20,6 +20,7 @@ Fields are part of the [[file:style triangle]]:
 			* @text@
 			* @choice@
 			* @multiple choice@
+			* @package choice@
 			* @boolean@
 			* @image@
 			* @symbol@
@@ -78,6 +79,13 @@ Additional properties are available, depending on the type of field:
 	
 | @"boolean"@	''A boolean field is a choice field with the choices @"yes"@ and @"no"@.''	<<<	<<<	<<<
 	
+| @"package choice"@
+		@script@	[[type:script]]		 	Script to apply to values of this field after each change.<br/>
+		 		 		 		If the script evaluates to a constant (i.e. doesn't use @value@) then values in this field can effectively not be edited.
+| ^^^		@match@		[[type:string]]	''required'' 	Filenames of the pakcages to match, can include wildcards @"*"@. For example @"magic-mana-*.mse-symbol-font"@.
+| ^^^		@initial@	[[type:string]]	''required'' 	Initial package for new values for this field.
+| ^^^		@reqired@	[[type:boolean]]	@true@ 	Must a package always be selected? Or is it allowed to select nothing?
+	
 | @"color"@	@script@	[[type:script]]		 	Script to apply to values of this field after each change.<br/>
 		 		 		 		If the script evaluates to a constant (i.e. doesn't use @value@) then values in this field can effectively not be edited.
 | ^^^		@default@	[[type:script]]		 	Script to determine the value when it is in the default state (not edited).

doc/type/style.txt

@@ -131,6 +131,10 @@ The rest of the properties depend on the type of [[type:field]] this style is fo
 		@direction@	[[type:direction]]		@"left to right"@	Direction the items are layed out in, only when @render style@ is @list@.
 | ^^^		@spacing@	[[type:double]]			@0@			Spacing between the items.
 	
+!	<<<	<<<	<<<	<<<
+| @"package choice"@
+| ^^^		@font@		[[type:font]]				 		Font to use for rendering text.
+	
 !	<<<	<<<	<<<	<<<
 | @"color"@	@radius@	[[type:script]]		@0@	Radius of rounded corners for the box in pixels.
 | ^^^		@left width@	[[type:double]]		&infin;	Draw only this many pixels from the side, creating a box with a hole in it, or a card border.

doc/type/value.txt

@@ -17,6 +17,7 @@ The type of a value depends on the corresponding field:
 | @"choice"@		[[type:string]]			One of the choices of the field.
 | @"multiple choice"@	[[type:string]]			A list of choices from the field, separated by commas.<br/>
 			 				For example: @"red, green, blue"@.
+| @"package choice"@	Name of a package		The (file)name of a package, including the extension.
 | @"boolean"@		@"yes"@ or @"no"@		This can be directly used as a [[type:boolean]] value in scripts.
 | @"image"@		[[type:filename]]		Filename of an image file in the [[type:set]] package.
 | @"symbol"@		[[type:filename]]		Filename of a [[type:symbol]] file in the [[type:set]] package.<br/>