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LibCSS API & ABI Changes
========================
This document explains how to upgrade clients to use new versions of LibCSS.
LibCSS 0.2.0 --> LibCSS 0.3.0
-----------------------------
Both the API and ABI are changed.
LibCSS nolonger lets clients provide a memory allocator function.
This change affects the following functions:
From include/libcss/computed.h -- css_computed_style_create()
From include/libcss/select.h -- css_select_ctx_create()
From incluce/libcss/stylesheet.h -- css_stylesheet_create()
There are changes to selection handler callback table:
node_classes
LibCSS nolonger frees the any array of classes passed to the
node_classes callback. It does still unref the individual strings.
This means clients need not allocate a new array each call, but can
keep the array cached on the node.
set_libcss_node_data
New selection handler function used to store a private cache belonging
to libcss on document element nodes. When the node is deleted or
modified, clients should call css_libcss_node_data_handler().
get_libcss_node_data
New selection handler function used to retrieve private cache belonging
to libcss from document element nodes.
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