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[mkgmap-dev] Base style sub-styles

From Bennie du Plessis bennied at telkomsa.net on Thu Nov 24 18:00:24 GMT 2011

Marko (mainly),

How does the sub styles idea work.?

In commit 1209, where is the sub-styles?
at  \examples\styles I can see the default and noname styles.
In the info file of the default style I can see


Is this the sub-styles that will be included in the default style?

Where are these sub-styles though?

Suppose an included base-style treats an element a certain way, will the 
main style (default in this case) then ignore this element?
So the base-style treatment overrides the main style?
Will a continue statement in the base style then reverse this, so that 
the main style treatment will prevail?

Then, in the case of 3 sub styles, if they all have actions for the same 
the first style will be used, and the rest ignored unless a continue 
statement is used in the previous style?
A continue statement will have no effect if the previous sub style did 
not have a continue statement?

Or should conflicting rules be avoided?

Argh, I hope someone understand what I mean?

I don't use the default style, but a style based on the default with a 
couple of tweaks for custom points & lines etc.
Still I like to keep updating regularly to benefit from Marko's 
improvement in the style.
So I copy my tweaks into the latest default styles manually.
The sub style idea might make my manual operation unnecessary, if I can 
just include my own style into the default.
Before any other included styles, if I understand it correctly.


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