# $BB0@-CM$N$?$a$N(B xml: :attr

**URL:** <https://www.ruby-forum.com/t/bb0-cm-n-a-n-b-xml-attr/151430>\
**Category:** Development\
**Created:** [October 21, 2008, 11:32am UTC](https://www.ruby-forum.com/t/bb0-cm-n-a-n-b-xml-attr/151430 "2008-10-21T11:32:44Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![drenovac](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/ea666f/32.png) [@drenovac](https://www.ruby-forum.com/u/drenovac)\
**Post date:** [October 21, 2008, 11:32am UTC](https://www.ruby-forum.com/t/bb0-cm-n-a-n-b-xml-attr/151430/1 "2008-10-21T11:32:44Z")

</div>

At 17:31 08/10/21, Tanaka A. wrote:

> xml: :attr e$B$rE,MQ$7$?7k2L$rB0@-CMA4BN$H$7$F;HMQ$9$k$N$,$\*A&e(B  
> e$B$a$G$9!#e(B

e$B@h$:!"$3$l$OMQ8l$NLdBj$@$1$+$b$7$l$^$;$s$,!"e(B  
e$BB0@-CM$O0zMQIt$NCf$N$b$N$G!"0zMQId$r4^$\_$^$;$s!#e(B

irb(main):001:0\> s = “&"'\<\>\uabcd”  
=\> “&"'\<\>\xEA\xAF\x8D”  
irb(main):002:0\> s.encode(“US-ASCII”), xml: :attr)  
=\> “"&"'\<\>ꯍ"”  
irb(main):003:0\> s.encode(“US-ASCII”), xml: :text)  
=\> “&"'\<\>ꯍ”

e$BJQ49$N$D$$$G$K0zMQId$rIU$1$k$3$H$,JXMx$H$$$&$H$-$b$"$k$+$H;W$$$^$9$,!"e(B  
(1) xml: :text e$B$He(B xml: :attr e$B$G?6$kIq$$$,0c$&$H!"e(B  
(2) e$BB0@-CM$N0lIt$@$1$rJ8;z%3!\<%IJQ49$7$J$$$H$$$1$J$$\>l9g$K$Oe(B  
e$B$I$&$7$?$i$$$$$N$+e(B  
e$B$H$$$&Fs$D$N$3$H$r9M$($k$H!"e(Bxml: :attr e$B$N;~$K7k2L$re(B  
“&"'\<\>ꯍ”  
e$B$K$9$Y$-$G$O$J$$$+$H;W$$$^$9!#e(B(1) e$B$OEDCf$5$s$,@bL@$7$?e(B Ruby  
e$B$Ne(B  
e$B!VI,$:$7$b0l4S@-$r:GM%@h$K$7$J$$!W$N$GL5;k$G$-$k$+$b$7$l$^$;$s$,!"e(B  
(2) e$BHV$N;~$K$O$I$&$9$l$P$$$$$N$G$7$g$&$+!#e(B

e$B59$7$/$\*4j$$$7$^$9!#e(B Martin.

#-#-# Martin J. Du"rst, Assoc. Professor, Aoyama Gakuin University  
#-#-# [http://www.sw.it.aoyama.ac.jp](http://www.sw.it.aoyama.ac.jp)[mailto:removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)

---

<div class="post-metadata">

**Author:** ![drenovac](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/ea666f/32.png) [@drenovac](https://www.ruby-forum.com/u/drenovac)\
**Post date:** [October 21, 2008, 12:31pm UTC](https://www.ruby-forum.com/t/bb0-cm-n-a-n-b-xml-attr/151430/2 "2008-10-21T12:31:28Z")

</div>

In article [6.0.0.20.2.20081021175657.0ae04648@localhost](mailto:6.0.0.20.2.20081021175657.0ae04648@localhost),  
Martin D. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) writes:

> e$BB0@-CM$O0zMQIt$NCf$N$b$N$G!"0zMQId$r4^$\_$^$;$s!#e(B

e$B;d$N$$$C$?B0@-CM$Oe(B AttValue e$B$r;X$7$F$$$k$H$\*9M$($/$@$5$$!#e(B

[http://www.w3.org/TR/2006/REC-xml-20060816/](http://www.w3.org/TR/2006/REC-xml-20060816/)

[10] AttValue ::= ‘"’ ([^\<&“] | Reference)\* '”’  
| “'” ([^\<&‘] | Reference)\* "’"

AttValue e$B$O0zMQId$r4^$\_$^$9!#e(B

> e$BJQ49$N$D$$$G$K0zMQId$rIU$1$k$3$H$,JXMx$H$$$&$H$-$b$"$k$+$H;W$$$^$9$,!"e(B

e$B;d$,e(B “…” e$B$rIU$1$k$h$&$K$7$?M}M3$Oe(B double escape  
e$BKI;\_$G$9!#e(B  
e$BJXMx$H$$$&$h$j$O%;%-%e%j%F%#\>e$NOC$G$9!#e(B

> (2) e$BB0@-CM$N0lIt$@$1$rJ8;z%3!\<%IJQ49$7$J$$$H$$$1$J$$\>l9g$K$Oe(B  
> e$B$I$&$7$?$i$$$$$N$+e(B

> (2) e$BHV$N;~$K$O$I$&$9$l$P$$$$$N$G$7$g$&$+!#e(B

e$B$I$&$$$&$H$-$KB0@-CM$N0lIt$@$1$rJ8;z%3!\<%IJQ49$7$J$$$H$$$1$J$$e(B  
e$B\>u67$,@8$8$k$s$G$9$+e(B?