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Peter Moulder authored
Move Inkscape::IO::fixupHrefs to Inkscape::XML::rebase_hrefs in new file xml/rebase-hrefs.*. Give it the old and new base directory, so that it can change hrefs without relying on sodipodi:absref. Also create a new function sp_repr_save_rebased_file that changes all xlink:href attributes as it writes them, so that we don't need to modify the owning document. (Especially useful for "Save a copy" or exporting.) extension/system.cpp: (Inkscape::Extension::save): Don't call sp_document_set_uri even temporarily other than at the same time as calling rebase_hrefs. (Otherwise, existing relative hrefs will point nowhere.) When exporting plain SVG, change the relative hrefs according to the destination filename. (bzr r7643)
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