* info.el (Info-file-supports-index-cookies-list): New variable.
(Info-file-supports-index-cookies): New function. (Info-find-node-2, Info-index-nodes, Info-index-node): Use it. (Info-index-nodes): Let-bind Info-point-loc to nil for files without an index cookie to ignore it when Info-index-nodes is called during navigating from an index node with line numbers. (Info-index-node): Set file to Info-current-file if nil. (Bug#1118) * info.el (Info-breadcrumbs-depth): Move defcustom higher to the variable definition section.
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