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;;; rng-util.el --- utility functions for RELAX NG library -*- lexical-binding: t; -*-
;; Copyright (C) 2003, 2007-2024 Free Software Foundation, Inc.
;; Author: James Clark
;; Keywords: text, hypermedia, languages, XML, RelaxNG
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(require 'cl-lib)
(defun rng-make-datatypes-uri (uri)
(if (string-equal uri "")
;; The spec doesn't say to do this, but it's perfectly conformant
;; and better than using nil, I think.
'http://relaxng.org/ns/structure/1.0
(intern uri)))
(defconst rng-xsd-datatypes-uri
(rng-make-datatypes-uri "http://www.w3.org/2001/XMLSchema-datatypes"))
(defconst rng-builtin-datatypes-uri (rng-make-datatypes-uri ""))
(defun rng-substq (new old list)
"Replace first member of LIST (if any) that is `eq' to OLD by NEW.
LIST is not modified."
(cl-substitute new old list :count 1 :test #'eq))
(defun rng-escape-string (s)
(replace-regexp-in-string "[&\"<>]"
(lambda (match)
(cdr (assoc match
'(("&" . "&")
("\"" . """)
(">" . ">")
("<" . "<")))))
s
t))
(define-error 'rng-error nil)
(defun rng-uniquify-eq (list)
(declare (obsolete seq-uniq "28.1"))
(seq-uniq list #'eq))
(define-obsolete-function-alias 'rng-uniquify-equal #'seq-uniq "28.1")
(define-obsolete-function-alias 'rng-blank-p #'string-blank-p "29.1")
(define-obsolete-function-alias 'rng-collapse-space #'string-clean-whitespace "29.1")
(provide 'rng-util)
;;; rng-util.el ends here
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