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Add r7rs character names #323

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Add r7rs character names #323

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6770887
R7RS: Add #\null -> #\nul and #\escape -> #\esc.
ecraven Feb 21, 2019
05af954
R7RS: Add \| escape inside strings.
ecraven Feb 21, 2019
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2 changes: 2 additions & 0 deletions LOG
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Original file line number Diff line number Diff line change
Expand Up @@ -1137,3 +1137,5 @@
generated config.h. Instead removed InstallPrefix entirely so
it isn't an attractive hazzard.
configure, makefiles/Mf-install.in
- add #\null and #\escape as aliases for #\nul and #\esc (R7RS compatibility)
- allow \| escape inside strings (R7RS compatibility)
7 changes: 7 additions & 0 deletions mats/6.ms
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Expand Up @@ -1531,6 +1531,9 @@
(eqv? (char-name 'rubout) #\rubout)
(eqv? (char-name #\nul) 'nul)
(eqv? (char-name 'nul) #\nul)
(eqv? (char-name #\null) 'nul)
(eqv? (char-name 'null) #\nul)
(eqv? #\nul #\null)
(eqv? (char-name 'foo) #f)
(eqv? (char-name 'delete) #\delete)
(eqv? (char-name #\delete) 'delete)
Expand All @@ -1540,6 +1543,9 @@
(eqv? (char-name #\alarm) 'alarm)
(eqv? (char-name 'esc) #\esc)
(eqv? (char-name #\esc) 'esc)
(eqv? (char-name 'escape) #\esc)
(eqv? (char-name #\escape) 'esc)
(eqv? #\esc #\escape)
(error? (read (open-input-string "#\\foo")))
(and (eqv? (char-name 'foo #\003) (void))
(eqv? (char-name 'foo) #\003)
Expand Down Expand Up @@ -1568,6 +1574,7 @@
(eqv? (string-ref "\\\"\'" 0) #\\)
(eqv? (string-ref "\\\"\'" 1) #\")
(eqv? (string-ref "\\\"\'" 2) #\')
(eqv? (string-ref "\|\v" 0) #\|)
(= (char->integer (string-ref "a\012" 1)) #o12 10)
(= (char->integer (string-ref "a\015" 1)) #o15 13)
(= (char->integer (string-ref "a\177" 1)) #o177 127)
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4 changes: 3 additions & 1 deletion s/read.ss
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Expand Up @@ -778,7 +778,7 @@
(with-read-char c
(state-case c
[eof (with-unread-char c (xcall rd-eof-error "string"))]
[(#\\ #\")
[(#\\ #\" #\|)
(with-stretch-buffer i c
(*state rd-token-string (fx+ i 1)))]
[(#\n #\a #\b #\f #\r #\t #\v)
Expand Down Expand Up @@ -1856,9 +1856,11 @@
(char-name 'newline #\newline) ; must come after linefeed entry
(char-name 'backspace #\backspace)
(char-name 'rubout #\rubout)
(char-name 'null #\nul)
(char-name 'nul #\nul)
(char-name 'bel #\bel)
(char-name 'vt #\vt)
(char-name 'escape #\esc)
(char-name 'esc #\esc)
(char-name 'vtab #\vtab)
(char-name 'delete #\rubout)
Expand Down