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Up ] Unicode Palette Subrange Editor ] [ Unicode Palette Color Coding ]

Unicode palette color coding

As explained in Unicode palette, code points that appear in the current layout are drawn with distinct white background. This makes it easy to visually "grasp" the layout and locate "holes" in the coverage.

The nature of the mapping (normal, dead key etc) is visually denoted by one or more markers:
(click on a character cell to see a full size version)

Code point marker normal mapping

Dark gray mark in the upper-left corner indicates a Normal mapping, i.e. the code point is mapped directly to a key / modifier combination.

Code point marker part of ligature

Red mark at the center of the left edge indicates that the code point appears in a Ligature
(note that this also includes non-BMP code points, which are internally represented as ligatures of UTF-16 surrogate pairs)

Code point marker dead character

Light gray L-shaped mark indicates that the code point is a dead character.

Code point marker dead char direct mapping

Feint blue mark in the upper-right corner indicates the the dead character is mapped directly to a modifier-key combination.
(dead characters only)

Code point marker dead char chained mapping

Feint blue mark in the lower-right corner indicates that the dead character is produced by chaining.
(dead characters only)

Code point marker dead char transformed by

Cyan mark at the center of the bottom edge indicates that the code point is transformed by a dead character..

Code point marker dead char produced by

Green mark in the lower left corner indicates that the code point is produced by a dead character.

If a code point appears under multiple mapping types, it will contain multiple overlaid mapping markers. For example, the following code point is mapped directly to a key / modifier combination, but it can also be produced through a dead character transformation:

KbdEdit Unicode palette multiple mapping markers

Visual cues like this are useful in locating redundant mappings. In this case, since the code point is accessible through a dead character, the key / modifier position it occupies is redundant and can be assigned to another code point without any loss of coverage.

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