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Fix visiting XML files with non-Unix EOL format

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* lisp/international/mule.el (sgml-xml-auto-coding-function)
(sgml-html-meta-auto-coding-function): Don't use
'buffer-file-coding-system' if the buffer is unibyte.
(Bug#34704)
This commit is contained in:
Eli Zaretskii 2019-03-02 10:32:06 +02:00
parent a89fabe963
commit 04cad5e8ea
1 changed files with 13 additions and 5 deletions
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18
lisp/international/mule.el
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@ -2500,10 +2500,17 @@ This function is intended to be added to `auto-coding-functions'."
(let ((sym-type (coding-system-type sym))
(bfcs-type
(coding-system-type buffer-file-coding-system)))
;; 'charset' will signal an error in
;; coding-system-equal, since it isn't a
;; coding-system. So test that up front.
(if (and (not (equal sym-type 'charset))
;; If the buffer is unibyte, its encoding is
;; immaterial (it is just the default value of
;; buffer-file-coding-system), so we ignore it.
;; This situation happens when this function is
;; called as part of visiting a file, as opposed
;; to when saving a buffer to a file.
(if (and enable-multibyte-characters
;; 'charset' will signal an error in
;; coding-system-equal, since it isn't a
;; coding-system. So test that up front.
(not (equal sym-type 'charset))
(coding-system-equal 'utf-8 sym-type)
(coding-system-equal 'utf-8 bfcs-type))
buffer-file-coding-system
@ -2555,7 +2562,8 @@ This function is intended to be added to `auto-coding-functions'."
(let ((sym-type (coding-system-type sym))
(bfcs-type
(coding-system-type buffer-file-coding-system)))
(if (and (coding-system-equal 'utf-8 sym-type)
(if (and enable-multibyte-characters
(coding-system-equal 'utf-8 sym-type)
(coding-system-equal 'utf-8 bfcs-type))
buffer-file-coding-system
sym))