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Revert "Add customizable to display raw bytes as hex"

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This reverts commit 7c9ac111c5.
This commit is contained in:
Eli Zaretskii 2017-06-01 21:24:15 +03:00
parent 7c9ac111c5
commit e5de79992a
5 changed files with 4 additions and 50 deletions
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6
doc/emacs/display.texi
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@ -1763,9 +1763,3 @@ itself, in pixels; the default is 2.
in text that is hard to read. Call the function
@code{tty-suppress-bold-inverse-default-colors} with a non-@code{nil}
argument to suppress the effect of bold-face in this case.
@vindex display-raw-bytes-as-hex
Raw bytes are displayed in octal format by default, for example a
byte with a decimal value of 128 is displayed as @code{\200}. To
change display to the hexadecimal format of @code{\x80}, set the
variable @code{display-raw-bytes-as-hex} to @code{t}.

4
etc/NEWS
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@ -364,10 +364,6 @@ large integers from being displayed as characters.
** Two new commands for finding the source code of Emacs Lisp
libraries: 'find-library-other-window' and 'find-library-other-frame'.
+++
** The new variable 'display-raw-bytes-as-hex' allows to change the
display of raw bytes from octal to hex.
* Editing Changes in Emacs 26.1

1
lisp/cus-start.el
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@ -583,7 +583,6 @@ since it could result in memory overflow and make Emacs crash."
(const :tag "Fit (t)" :value t)
(const :tag "Grow only" :value grow-only))
"25.1")
(display-raw-bytes-as-hex display boolean "26.1")
;; xfaces.c
(scalable-fonts-allowed display boolean "22.1")
;; xfns.c

16
src/xdisp.c
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@ -7055,7 +7055,7 @@ get_next_display_element (struct it *it)
translated too.
Non-printable characters and raw-byte characters are also
translated to octal or hexadecimal form. */
translated to octal form. */
if (((c < ' ' || c == 127) /* ASCII control chars. */
? (it->area != TEXT_AREA
/* In mode line, treat \n, \t like other crl chars. */
@ -7162,12 +7162,9 @@ get_next_display_element (struct it *it)
int len, i;
if (CHAR_BYTE8_P (c))
/* Display \200 or \x80 instead of \17777600. */
/* Display \200 instead of \17777600. */
c = CHAR_TO_BYTE8 (c);
const char *format_string = display_raw_bytes_as_hex
? "x%02x"
: "%03o";
len = sprintf (str, format_string, c + 0u);
len = sprintf (str, "%03o", c + 0u);
XSETINT (it->ctl_chars[0], escape_glyph);
for (i = 0; i < len; i++)
@ -32234,13 +32231,6 @@ display table takes effect; in this case, Emacs does not consult
/* Initialize to t, since we need to disable reordering until
loadup.el successfully loads charprop.el. */
redisplay__inhibit_bidi = true;
DEFVAR_BOOL ("display-raw-bytes-as-hex", display_raw_bytes_as_hex,
doc: /* Non-nil means display raw bytes in hexadecimal format.
The default is to use octal format (\200) whereas hexadecimal (\x80)
may be more familar to users. */);
display_raw_bytes_as_hex = false;
}

27
test/manual/redisplay-testsuite.el
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@ -34,8 +34,7 @@
(setq overlay (make-overlay opoint (point)))
(while props
(overlay-put overlay (car props) (cadr props))
(setq props (cddr props)))
overlay))
(setq props (cddr props)))))
(defun test-redisplay-1 ()
(insert "Test 1: Displaying adjacent and overlapping overlays:\n\n")
@ -294,29 +293,6 @@ static unsigned char x_bits[] = {0xff, 0x81, 0xbd, 0xa5, 0xa5, 0xbd, 0x81, 0xff
(insert "\n"))
(defvar test-redisplay-5-expected-overlay nil)
(defvar test-redisplay-5-result-overlay nil)
(defun test-redisplay-5-toggle (_event)
(interactive "e")
(setq display-raw-bytes-as-hex (not display-raw-bytes-as-hex))
(let ((label (if display-raw-bytes-as-hex "\\x80" "\\200")))
(overlay-put test-redisplay-5-expected-overlay 'display
(propertize label 'face 'escape-glyph))))
(defun test-redisplay-5 ()
(insert "Test 5: Display of raw bytes:\n\n")
(insert " Expected: ")
(setq test-redisplay-5-expected-overlay
(test-insert-overlay " " 'display
(propertize "\\200" 'face 'escape-glyph)))
(insert "\n Result: ")
(setq test-redisplay-5-result-overlay
(test-insert-overlay " " 'display "\200"))
(insert "\n\n")
(insert-button "Toggle between octal and hex display"
'action 'test-redisplay-5-toggle))
(defun test-redisplay ()
(interactive)
@ -333,6 +309,5 @@ static unsigned char x_bits[] = {0xff, 0x81, 0xbd, 0xa5, 0xa5, 0xbd, 0x81, 0xff
(test-redisplay-2)
(test-redisplay-3)
(test-redisplay-4)
(test-redisplay-5)
(goto-char (point-min))))