[SVG1.1] Textpath question

I'm reading 10.13.3, "Text on a path layout rules" and have a request for  
clarification.

The layout rules (first point), last couple of sentences say:
"Before rendering the first glyph, the horizontal component of the  
startpoint-on-the-path is adjusted to take into account various horizontal  
alignment text properties and attributes, such as a dx attribute value on  
a 'tspan' element. (In the picture above, the startpoint-on-the-path is  
the leftmost dot on the path.)"

Various alignment properties? Such as? Can we remove that wording please?
A formal definition would be nice, especially since the last paragraph of  
the section contains additional information.

Last paragraph of section 10.13.3:
"When the inline-progression-direction is horizontal, then any x  
attributes on 'text', 'tspan', 'tref' or 'altGlyph' elements represent new  
absolute offsets along the path, thus providing explicit new values for  
startpoint-on-the-path. Any y attributes on 'text', 'tspan', 'tref' or  
'altGlyph' elements are ignored. When the inline-progression-direction is  
vertical, then any y attributes on 'text', 'tspan', 'tref' or 'altGlyph'  
elements represent new absolute offsets along the path, thus providing  
explicit new values for startpoint-on-the-path. Any x attributes on  
'text', 'tspan', 'tref' or 'altGlyph' elements are ignored."

So, my interpretation of this all is that 'x' and 'y' are taken as  
startpoint-on-the-path, meaning that the 'startOffset'-attribute is  
ignored. Is this correct?
If so, the spec should be updated to state something to that effect.

Regards
/Erik

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Received on Saturday, 25 February 2006 07:55:05 UTC