* minibuffer.el (completion-all-completion-with-base-size): New var.
(completion--some): New function. (completion-table-with-context, completion--file-name-table): Return the base-size if requested. (completion-table-in-turn): Generalize to multiple arguments. (complete-in-turn): Compatibility alias. (completion-styles-alist): New var. (completion-styles): New customization. (minibuffer-try-completion, minibuffer-all-completions): New functions. (minibuffer--do-completion, minibuffer-complete-and-exit) (minibuffer-try-word-completion): Use them. (display-completion-list, minibuffer-completion-help): Use them. Handle all-completions's new base-size info to set completion-base-size. * info.el (Info-read-node-name-1): Use completion-table-with-context, completion-table-with-terminator and complete-with-action. Remove the now obsolete completion-base-size-function property. * simple.el (completion-list-mode-map): Move init into declaration. (completion-list-mode): Use define-derived-mode. (completion-setup-function): Use any completion-base-size that may have been set before. Remove handling of completion-base-size-function. * loadup.el: Move abbrev.el up earlier.
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