1238 lines
27 KiB
Plaintext
1238 lines
27 KiB
Plaintext
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CSS style declaration bytecode
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==============================
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Format
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------
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<opcode+flags+value> [<parameters>]
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<opcode+flags+value> is 32 bits wide:
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bits 18-31: value
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bits 10-17 : flags
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bits 0-9 : opcode
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The 8 bits of flag data are defined as follows:
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bits 2-7: MBZ
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bit 1 : value is inherit
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bit 0 : value is important
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The 14 bits of value are opcode-specific.
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Parameters are opcode-specific. Each parameter must begin on a 4 byte boundary.
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Datatype storage
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----------------
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All numeric values are stored in a 32bit wide field. This field contains
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a fixed point value with 22 bits assigned to the integer part and 10 bits
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assigned to the fractional part.
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Strings are stored as a 32bit index into a table of interned string pointers.
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The table is found in the stylesheet object.
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CSS dimensions are stored as two 32bit values: <length, units>.
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Length is a 32bit numeric value (as described above) and unit is as follows:
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bit 8 clear => length unit
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bits 9-31: MBZ
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bits 0-7 :
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00000000 => px
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00000001 => ex
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00000010 => em
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00000011 => in
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00000100 => cm
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00000101 => mm
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00000110 => pt
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00000111 => pc
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bit 8 set => percentage unit
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bits 9-31: MBZ
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bits 0-7 : MBZ
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bit 9 set => angle unit
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bits 10-31: MBZ
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bit 8 : MBZ
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bits 0-7 :
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00000000 => deg
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00000001 => grad
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00000010 => rad
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bit 10 set => time unit
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bits 11-31: MBZ
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bits 8-9 : MBZ
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bits 0-7 :
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00000000 => ms
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00000001 => s
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bit 11 set => frequency unit
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bits 12-31: MBZ
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bits 8-10 : MBZ
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bits 0-7 :
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00000000 => Hz
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00000001 => kHz
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CSS colours are stored as one 32bit value. See "Colour" for their format.
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Shorthand properties
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--------------------
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The CSS shorthand properties are handled by decomposing them to their
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component parts, and then creating bytecode for these.
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For example, "background: red none no-repeat scroll left top !important;" would
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be decomposed to:
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background-color: red !important;
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background-image: none !important;
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background-repeat: no-repeat !important;
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background-attachment: scroll !important;
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background-position: left top !important;
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and bytecode generated for each of these properties.
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The full list of CSS 2.1 shorthand properties is:
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background
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border-color
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border-style
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border-{top,right,bottom,left}
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border-width
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border
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cue
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font
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list-style
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margin
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outline
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padding
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pause
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Opcodes
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-------
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00 - azimuth
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<value> (14bits) :
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bits 8-13: MBZ
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bit 7 set => angle follows.
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bits 0-6: MBZ
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bit 6 set => relative movement:
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bit 7 : MBZ
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bits 1-5: MBZ
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bit 0 : set => rightwards, clear => leftwards
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bits 6 & 7 clear => keyword position:
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bit 5 : set => behind, clear => in front
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bits 0-4:
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00000 => left-side
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00001 => far-left
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00010 => left
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00011 => center-left
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00100 => center
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00101 => center-right
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00110 => right
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00111 => far-right
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01000 => right-side
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other => Reserved for future expansion.
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01 - background-attachment
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<value> (14bits) :
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0 => fixed
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1 => scroll
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other => Reserved for future expansion.
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02 - background-color
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<value> (14bits) :
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bit 8-13: MBZ
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bit 7 set => colour follows.
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bits 0-6: MBZ
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bit 7 clear => keyword colour:
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bits 0-6: 0000000 => transparent,
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0000001 => currentColor,
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other => rffe.
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03 - background-image
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<value> (14bits) :
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bits 8-13: MBZ
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bit 7 set => uri string follows.
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bits 0-6: MBZ
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bit 7 clear => keyword:
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bits 1-6: MBZ
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bit 0 : clear => none, set => rffe.
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04 - background-position
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<value> (14bits) :
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bits 8-13: MBZ
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bits 0-7 :
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bit 7: set => percentage or length unit follows
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bits 4-6: MBZ
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clear => keywords:
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bits 4-6:
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000 => center
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001 => right
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010 => left
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other => rffe
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bit 3: set => percentage or length unit follows
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bits 0-2: MBZ
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clear => keywords:
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bits 0-2:
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000 => center
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001 => bottom
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010 => top
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other => rffe
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05 - background-repeat
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<value> (14bits) :
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0 => no-repeat
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1 => repeat-x
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2 => repeat-y
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3 => repeat
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other => Reserved for future expansion.
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06 - border-collapse
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<value> (14bits) :
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0 => separate
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1 => collapse
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other => Reserved for future expansion.
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07 - border-spacing
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<value> (14bits) :
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bits 8-13: MBZ
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bits 0-7 :
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bit 7: set => two lengths follow
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bits 0-6: MBZ
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clear => Reserved for future expansion.
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bits 0-6: MBZ
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08 - border-top-color
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09 - border-right-color
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0a - border-bottom-color
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0b - border-left-color
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<value> (14bits) :
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bits 8-13: MBZ
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bit 7 set => colour follows.
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bits 0-6: MBZ
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bit 7 clear => keyword colour:
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bits 0-6: 0000000 => transparent,
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0000001 => currentColor,
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other => rffe.
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0c - border-top-style
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0d - border-right-style
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0e - border-bottom-style
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0f - border-left-style
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<value> (14bits) :
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bits 8-13: MBZ
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bits 0-7 :
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00000000 => none,
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00000001 => hidden,
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00000010 => dotted,
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00000011 => dashed,
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00000100 => solid,
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00000101 => double,
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00000110 => groove,
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00000111 => ridge,
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00001000 => inset,
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00001001 => outset,
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other => Reserved for future expansion.
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10 - border-top-width
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11 - border-right-width
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12 - border-bottom-width
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13 - border-left-width
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<value> (14bits) :
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bits 8-13: MBZ
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bits 0-7 :
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bit 7 set => length follows
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bits 0-6: MBZ
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bit 7 clear => keywords:
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bits 0-6: 0000000 => thin,
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0000001 => medium,
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0000010 => thick,
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other => rffe.
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14 - bottom
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<value> (14bits) :
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bits 8-13: MBZ
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bits 0-7:
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bit 7 set => length/percentage follows
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bits 0-6: MBZ
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bit 7 clear => keywords:
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bits 0-6: 0000000 => auto,
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other => rffe.
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15 - caption-side
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<value> (14bits) :
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0 => top
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1 => bottom
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other => Reserved for future expansion.
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16 - clear
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<value> (14bits) :
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0 => none
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1 => left
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2 => right
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3 => both
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other => Reserved for future expansion.
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17 - clip
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<value> (14bits) :
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bits 8-13: MBZ
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bits 0-7:
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bit 7 set => shape follows
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bits 0-2: 000 => rect,
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bit 3 => top auto
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bit 4 => right auto
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bit 5 => bottom auto
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bit 6 => left auto
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other => rffe.
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bits 3-6: MBZ.
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bit 7 clear => keywords:
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bits 0-6: 0000000 => auto,
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other => rffe.
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If the value is rect(top, right, bottom, left), then bits 3-6 encode
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which of <top>, <right>, <bottom>, <left> is set to auto. The
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subsequent parameter list is then 4 - <auto_side> entries long.
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Each entry is a dimension. Entries are always ordered top, right,
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bottom, left.
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For example,
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clip: rect(10px, auto, auto, 10px)
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would produce the following bytecode:
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<02c00017> <00002800> <00000000> <00002800> <00000000>
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18 - color
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<value> (14bits) :
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bits 8-13: MBZ
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bits 0-7:
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bit 7: set => colour follows.
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bits 0-6: MBZ.
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clear => keywords:
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bits 0-6: 0000000 => transparent,
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0000001 => currentColor,
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other => rffe.
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19 - content
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<value> (14bits) :
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bits 8-13: MBZ (except counter & counters, see below)
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bits 0-7 :
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bit 7 set => string follows
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bits 0-6: 0000000 => string,
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0000001 => uri,
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0000010 => counter,
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bits 12-13: MBZ
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bits 8-11 : list-style-type
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0000011 => counters,
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bits 12-13: MBZ
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bits 8-11 : list-style-type
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0000100 => attr,
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other => rffe.
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bit 7 clear => keywords:
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bits 0-6: 0000000 => normal,
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0000001 => none,
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0000010 => open-quote,
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0000011 => close-quote,
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0000100 => no-open-quote,
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0000101 => no-close-quote,
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other => rffe.
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If the value is not "normal", "none", or "inherit", then there is
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a parameter list. Each item is preceded by a <value> word which
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declares the type of the next item. The list is terminated by a
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word with all bits set to zero (the encoding for "normal").
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For example,
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content: open-quote url('http://example.com/')
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" : " attr(name) " " counter(x) "." counters(y, ".")
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close-quote;"
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would result in the following bytecode:
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<00080019>
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<00000081> <ptr to "http://example.com">
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<00000080> <ptr to " : ">
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<00000084> <ptr to "name">
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<00000080> <ptr to " ">
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<00000382> <ptr to "x">
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<00000080> <ptr to ".">
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<00000383> <ptr to "y"> <ptr to ".">
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<00000003> <00000000>
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1a - counter-increment
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<value> (14bits) :
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bits 8-13: MBZ
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bits 0-7 :
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bit 7 set => <string, integer> pair follows
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bits 0-6: 0000000 => <string, integer> pair
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other => rffe.
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bit 7 clear => keywords:
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bits 0-6: 0000000 => none,
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other => rffe.
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If the value is not "none", or "inherit", then there is a parameter
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list. Each item is preceded by a <value> word which declares the type
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of the next item. The list is terminated by a word with all bits set to
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zero (the encoding for "none").
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1b - counter-reset
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<value> (14bits) :
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bits 8-13: MBZ
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bits 0-7 :
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bit 7 set => <string, integer> pair follows
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bits 0-6: 0000000 => <string, integer> pair,
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other => rffe.
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bit 7 clear => keywords:
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bits 0-6: 0000000 => none,
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other => rffe.
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If the value is not "none", or "inherit", then there is a parameter
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list. Each item is preceded by a <value> word which declares the type
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of the next item. The list is terminated by a word with all bits set to
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zero (the encoding for "none").
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1c - cue-after
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<value> (14bits) :
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bits 8-13: MBZ
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bits 0-7 :
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bit 7 set => uri follows
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bits 0-6: MBZ
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bit 7 clear => keywords:
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bits 0-6: 0000000 => none,
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other => rffe.
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1d - cue-before
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<value> (14bits) :
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bits 8-13: MBZ
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bits 0-7 :
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bit 7 set => uri follows
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bits 0-6: MBZ
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bit 7 clear => keywords:
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bits 0-6: 0000000 => none,
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other => rffe.
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1e - cursor
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|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => uri follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => auto,
|
||
|
|
0000001 => crosshair,
|
||
|
|
0000010 => default,
|
||
|
|
0000011 => pointer,
|
||
|
|
0000100 => move,
|
||
|
|
0000101 => e-resize,
|
||
|
|
0000110 => ne-resize,
|
||
|
|
0000111 => nw-resize,
|
||
|
|
0001000 => n-resize,
|
||
|
|
0001001 => se-resize,
|
||
|
|
0001010 => sw-resize,
|
||
|
|
0001011 => s-resize,
|
||
|
|
0001100 => w-resize,
|
||
|
|
0001101 => text,
|
||
|
|
0001110 => wait,
|
||
|
|
0001111 => help,
|
||
|
|
0010000 => progress,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
If the value indicates that a uri is present, then there is a
|
||
|
|
parameter list. Each item is preceded by a <value> word which declares
|
||
|
|
the type of the next item. The list is terminated by a word with
|
||
|
|
bit 7 clear.
|
||
|
|
|
||
|
|
1f - direction
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => ltr,
|
||
|
|
1 => rtl,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
20 - display
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => inline,
|
||
|
|
1 => block,
|
||
|
|
2 => list-item,
|
||
|
|
3 => run-in,
|
||
|
|
4 => inline-block,
|
||
|
|
5 => table,
|
||
|
|
6 => inline-table,
|
||
|
|
7 => table-row-group,
|
||
|
|
8 => table-header-group,
|
||
|
|
9 => table-footer-group,
|
||
|
|
a => table-row,
|
||
|
|
b => table-column-group,
|
||
|
|
c => table-column,
|
||
|
|
d => table-cell,
|
||
|
|
e => table-caption,
|
||
|
|
f => none,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
21 - elevation
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => angle follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => below,
|
||
|
|
0000001 => level,
|
||
|
|
0000010 => above,
|
||
|
|
0000011 => higher,
|
||
|
|
0000100 => lower,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
22 - empty-cells
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => show,
|
||
|
|
1 => hide,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
23 - float
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => left,
|
||
|
|
1 => right,
|
||
|
|
2 => none,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
24 - font-family
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => data follows
|
||
|
|
bits 1-6: MBZ
|
||
|
|
bit 0 : clear => string,
|
||
|
|
set => ident list (as string)
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => Reserved.
|
||
|
|
0000001 => serif,
|
||
|
|
0000010 => sans-serif,
|
||
|
|
0000011 => cursive,
|
||
|
|
0000100 => fantasy,
|
||
|
|
0000101 => monospace,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
In all cases, there is a parameter list. Each item is preceded by a
|
||
|
|
<value> word which declares the type of the next item. The list is
|
||
|
|
terminated by a word with all bits clear.
|
||
|
|
|
||
|
|
25 - font-size
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7:
|
||
|
|
bit 7 set => dimension follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => xx-small,
|
||
|
|
0000001 => x-small,
|
||
|
|
0000010 => small,
|
||
|
|
0000011 => medium,
|
||
|
|
0000100 => large,
|
||
|
|
0000101 => x-large,
|
||
|
|
0000110 => xx-large,
|
||
|
|
0000111 => larger,
|
||
|
|
0001000 => smaller,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
26 - font-style
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => normal,
|
||
|
|
1 => italic,
|
||
|
|
2 => oblique,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
27 - font-variant
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => normal,
|
||
|
|
1 => small-caps,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
28 - font-weight
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => normal,
|
||
|
|
1 => bold,
|
||
|
|
2 => bolder,
|
||
|
|
3 => lighter,
|
||
|
|
4 => 100,
|
||
|
|
5 => 200,
|
||
|
|
6 => 300,
|
||
|
|
7 => 400,
|
||
|
|
8 => 500,
|
||
|
|
9 => 600,
|
||
|
|
a => 700,
|
||
|
|
b => 800,
|
||
|
|
c => 900,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
29 - height
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => length or percentage follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => auto,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
2a - left
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => length or percentage follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => auto,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
2b - letter-spacing
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => length follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => normal,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
2c - line-height
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => length/number/percentage follows
|
||
|
|
bits 0-6: 0000000 => number,
|
||
|
|
0000001 => dimension,
|
||
|
|
other => rffe.
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => normal,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
2d - list-style-image
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => string follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => none,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
2e - list-style-position
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => inside,
|
||
|
|
1 => outside,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
2f - list-style-type
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => disc,
|
||
|
|
1 => circle,
|
||
|
|
2 => square,
|
||
|
|
3 => decimal,
|
||
|
|
4 => decimal-leading-zero,
|
||
|
|
5 => lower-roman,
|
||
|
|
6 => upper-roman,
|
||
|
|
7 => lower-greek,
|
||
|
|
8 => lower-latin,
|
||
|
|
9 => upper-latin,
|
||
|
|
a => armenian,
|
||
|
|
b => georgian,
|
||
|
|
c => lower-alpha,
|
||
|
|
d => upper-alpha,
|
||
|
|
e => none,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
30 - margin-top
|
||
|
|
31 - margin-right
|
||
|
|
32 - margin-bottom
|
||
|
|
33 - margin-left
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => length or percentage follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => auto,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
34 - max-height
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => length or percentage follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => none,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
35 - max-width
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => length or percentage follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => none,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
36 - min-height
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7: set => length or percentage follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
clear => Reserved for future expansion
|
||
|
|
bits 0-6: MBZ
|
||
|
|
|
||
|
|
37 - min-width
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7: set => length or percentage follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
clear => Reserved for future expansion
|
||
|
|
bits 0-6: MBZ
|
||
|
|
|
||
|
|
38 - orphans
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7: set => integer follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
clear => Reserved for future expansion
|
||
|
|
bits 0-6: MBZ
|
||
|
|
|
||
|
|
39 - outline-color
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => colour follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => transparent,
|
||
|
|
0000001 => currentColor,
|
||
|
|
0000010 => invert,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
3a - outline-style
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
00000000 => none,
|
||
|
|
00000001 => hidden,
|
||
|
|
00000010 => dotted,
|
||
|
|
00000011 => dashed,
|
||
|
|
00000100 => solid,
|
||
|
|
00000101 => double,
|
||
|
|
00000110 => groove,
|
||
|
|
00000111 => ridge,
|
||
|
|
00001000 => inset,
|
||
|
|
00001001 => outset,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
3b - outline-width
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => length follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => thin,
|
||
|
|
0000001 => medium,
|
||
|
|
0000010 => thick,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
3c - overflow
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => visible,
|
||
|
|
1 => hidden,
|
||
|
|
2 => scroll,
|
||
|
|
3 => auto,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
3d - padding-top
|
||
|
|
3e - padding-right
|
||
|
|
3f - padding-bottom
|
||
|
|
40 - padding-left
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7: set => length or percentage follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
clear => Reserved for future expansion
|
||
|
|
bits 0-6: MBZ
|
||
|
|
|
||
|
|
41 - page-break-after
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => auto,
|
||
|
|
1 => always,
|
||
|
|
2 => avoid,
|
||
|
|
3 => left,
|
||
|
|
4 => right,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
42 - page-break-before
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => auto,
|
||
|
|
1 => always,
|
||
|
|
2 => avoid,
|
||
|
|
3 => left,
|
||
|
|
4 => right,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
43 - page-break-inside
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => auto,
|
||
|
|
1 => avoid,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
44 - pause-after
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7: set => time or percentage follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
clear => Reserved for future expansion
|
||
|
|
bits 0-6: MBZ
|
||
|
|
|
||
|
|
45 - pause-before
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7: set => time or percentage follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
clear => Reserved for future expansion
|
||
|
|
bits 0-6: MBZ
|
||
|
|
|
||
|
|
46 - pitch-range
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7: set => number follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
clear => Reserved for future expansion
|
||
|
|
bits 0-6: MBZ
|
||
|
|
|
||
|
|
47 - pitch
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => frequency follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => x-low,
|
||
|
|
0000001 => low,
|
||
|
|
0000010 => medium,
|
||
|
|
0000011 => high,
|
||
|
|
0000100 => x-high,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
48 - play-during
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => string follows
|
||
|
|
bit 6: set => mix, clear => don't mix
|
||
|
|
bit 5: set => repeat, clear => no repeat
|
||
|
|
bits 0-4: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => auto,
|
||
|
|
0000001 => none,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
49 - position
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => static,
|
||
|
|
1 => relative,
|
||
|
|
2 => absolute,
|
||
|
|
3 => fixed,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
4a - quotes
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => two strings follow
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => none,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
If the value indicates that strings are present, then there is a
|
||
|
|
parameter list. Each item is preceded by a <value> word which declares
|
||
|
|
the type of the next item. The list is terminated by a word with
|
||
|
|
all bits clear (the encoding for "none").
|
||
|
|
|
||
|
|
4b - richness
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7: set => number follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
clear => Reserved for future expansion
|
||
|
|
bits 0-6: MBZ
|
||
|
|
|
||
|
|
4c - right
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => length or percentage follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => auto,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
4d - speak-header
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => once,
|
||
|
|
1 => always,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
4e - speak-numeral
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => digits,
|
||
|
|
1 => continuous,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
4f - speak-punctuation
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => code,
|
||
|
|
1 => none,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
50 - speak
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => normal,
|
||
|
|
1 => none,
|
||
|
|
2 => spell-out,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
51 - speech-rate
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => number follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => x-slow,
|
||
|
|
0000001 => slow,
|
||
|
|
0000010 => medium,
|
||
|
|
0000011 => fast,
|
||
|
|
0000100 => x-fast,
|
||
|
|
0000101 => faster,
|
||
|
|
0000110 => slower,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
52 - stress
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7: set => number follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
clear => Reserved for future expansion
|
||
|
|
bits 0-6: MBZ
|
||
|
|
|
||
|
|
53 - table-layout
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => auto,
|
||
|
|
1 => fixed,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
54 - text-align
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => left,
|
||
|
|
1 => right,
|
||
|
|
2 => center,
|
||
|
|
3 => justify,
|
||
|
|
4 => -libcss-left,
|
||
|
|
5 => -libcss-center,
|
||
|
|
6 => -libcss-right,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
55 - text-decoration
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
00000000 => none
|
||
|
|
otherwise:
|
||
|
|
bits 4-7: MBZ
|
||
|
|
bit 3: set => blink, clear => no blink
|
||
|
|
bit 2: set => line-through,
|
||
|
|
clear => no line-through
|
||
|
|
bit 1: set => overline, clear => no overline
|
||
|
|
bit 0: set => underline, clear => no underline
|
||
|
|
|
||
|
|
56 - text-indent
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7: set => length or percentage follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
clear => Reserved for future expansion
|
||
|
|
bits 0-6: MBZ
|
||
|
|
|
||
|
|
57 - text-transform
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => capitalize,
|
||
|
|
1 => uppercase,
|
||
|
|
2 => lowercase,
|
||
|
|
3 => none,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
58 - top
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => length or percentage follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => auto,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
59 - unicode-bidi
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => normal,
|
||
|
|
1 => embed,
|
||
|
|
2 => bidi-override,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
5a - vertical-align
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => length or percentage follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => baseline,
|
||
|
|
0000001 => sub,
|
||
|
|
0000010 => super,
|
||
|
|
0000011 => top,
|
||
|
|
0000100 => text-top,
|
||
|
|
0000101 => middle,
|
||
|
|
0000110 => bottom,
|
||
|
|
0000111 => text-bottom,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
5b - visibility
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => visible,
|
||
|
|
1 => hidden,
|
||
|
|
2 => collapse,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
5c - voice-family
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => data follows
|
||
|
|
bits 1-6: MBZ
|
||
|
|
bit 0 : clear => string,
|
||
|
|
set => ident list (as string)
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => Reserved.
|
||
|
|
0000001 => male,
|
||
|
|
0000010 => female,
|
||
|
|
0000011 => child,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
In all cases, there is a parameter list. Each item is preceded by a
|
||
|
|
<value> word which declares the type of the next item. The list is
|
||
|
|
terminated by a word with all bits clear.
|
||
|
|
|
||
|
|
5d - volume
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => number/percentage follows
|
||
|
|
bits 0-6: 0000000 => number,
|
||
|
|
0000001 => dimension,
|
||
|
|
other => rffe.
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => silent,
|
||
|
|
0000001 => x-soft,
|
||
|
|
0000010 => soft,
|
||
|
|
0000011 => medium,
|
||
|
|
0000100 => loud,
|
||
|
|
0000101 => x-loud,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
5e - white-space
|
||
|
|
<value> (14bits) :
|
||
|
|
0 => normal,
|
||
|
|
1 => pre,
|
||
|
|
2 => nowrap,
|
||
|
|
3 => pre-wrap,
|
||
|
|
4 => pre-line,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
5f - widows
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7: set => integer follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
clear => Reserved for future expansion
|
||
|
|
bits 0-6: MBZ
|
||
|
|
|
||
|
|
60 - width
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => length or percentage follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => auto,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
61 - word-spacing
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => length follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => normal,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
62 - z-index
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => integer follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => auto,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
63 - opacity
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => number follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => Reserved for future expansion
|
||
|
|
bits 0-6: MBZ
|
||
|
|
|
||
|
|
64 - break-after
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
00000000 => auto,
|
||
|
|
00000001 => always,
|
||
|
|
00000010 => avoid,
|
||
|
|
00000011 => left,
|
||
|
|
00000100 => right,
|
||
|
|
00000101 => page,
|
||
|
|
00000110 => column,
|
||
|
|
00000111 => avoid-page,
|
||
|
|
00001000 => avoid-column,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
65 - break-before
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
00000000 => auto,
|
||
|
|
00000001 => always,
|
||
|
|
00000010 => avoid,
|
||
|
|
00000011 => left,
|
||
|
|
00000100 => right,
|
||
|
|
00000101 => page,
|
||
|
|
00000110 => column,
|
||
|
|
00000111 => avoid-page,
|
||
|
|
00001000 => avoid-column,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
66 - break-inside
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
00000000 => auto,
|
||
|
|
00000001 => avoid,
|
||
|
|
00000010 => avoid-page,
|
||
|
|
00000011 => avoid-column,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
67 - column-count
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => integer follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => auto,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
68 - column-fill
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
00000000 => balance,
|
||
|
|
00000001 => auto,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
69 - column-gap
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => length follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => normal,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
6a - column-rule-color
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bit 7 set => colour follows.
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => Reserved for future expansion
|
||
|
|
bits 0-6: MBZ
|
||
|
|
|
||
|
|
6b - column-rule-style
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
00000000 => none,
|
||
|
|
00000001 => hidden,
|
||
|
|
00000010 => dotted,
|
||
|
|
00000011 => dashed,
|
||
|
|
00000100 => solid,
|
||
|
|
00000101 => double,
|
||
|
|
00000110 => groove,
|
||
|
|
00000111 => ridge,
|
||
|
|
00001000 => inset,
|
||
|
|
00001001 => outset,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
6c - column-rule-width
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => length follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => thin,
|
||
|
|
0000001 => medium,
|
||
|
|
0000010 => thick,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
6d - column-span
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
00000000 => none,
|
||
|
|
00000001 => all,
|
||
|
|
other => Reserved for future expansion.
|
||
|
|
|
||
|
|
6e - column-width
|
||
|
|
<value> (14bits) :
|
||
|
|
bits 8-13: MBZ
|
||
|
|
bits 0-7 :
|
||
|
|
bit 7 set => length follows
|
||
|
|
bits 0-6: MBZ
|
||
|
|
bit 7 clear => keywords:
|
||
|
|
bits 0-6: 0000000 => auto,
|
||
|
|
other => rffe.
|
||
|
|
|
||
|
|
|
||
|
|
6f-3ff - Reserved for future expansion.
|
||
|
|
|