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From 020c458932087a7da9b514563c3926be5a406d55 Mon Sep 17 00:00:00 2001
From: Jungshik Shin <jshin@chromium.org>
Date: Mon, 4 Dec 2017 09:42:01 -0500
Subject: [PATCH] Disallow 5 aspirational scripts in IDN display
UTS 31 (http://www.unicode.org/reports/tr31/#Aspirational_Use_Scripts )
used to list 5 scripts in Table 6 as 'aspirational scripts', but it
deprecated the category and moved 5 scripts to Table 7 for limited use
scripts.
Given this, there's no basis to treat those 5 scripts differently from
other limited use scripts. Note that Mozilla stopped allowding those 5
scripts in IDN display a while ago.
This is also necessary for updating ICU to version 60.
---
components/url_formatter/url_formatter.cc | 33 -------------------------------
1 file changed, 33 deletions(-)
diff --git a/components/url_formatter/url_formatter.cc b/components/url_formatter/url_formatter.cc
index a93bf1154c..6b000c3480 100644
--- a/components/url_formatter/url_formatter.cc
+++ b/components/url_formatter/url_formatter.cc
@@ -426,39 +426,6 @@ void IDNSpoofChecker::SetAllowedUnicodeSet(UErrorCode* status) {
const icu::UnicodeSet* inclusion_set = uspoof_getInclusionUnicodeSet(status);
allowed_set.addAll(*inclusion_set);
- // Five aspirational scripts are taken from UTR 31 Table 6 at
- // http://www.unicode.org/reports/tr31/#Aspirational_Use_Scripts .
- // Not all the characters of aspirational scripts are suitable for
- // identifiers. Therefore, only characters belonging to
- // [:Identifier_Type=Aspirational:] (listed in 'Status/Type=Aspirational'
- // section at
- // http://www.unicode.org/Public/security/latest/xidmodifications.txt) are
- // are added to the allowed set. The list has to be updated when a new
- // version of Unicode is released. The current version is 9.0.0 and ICU 60
- // will have Unicode 10.0 data.
-#if U_ICU_VERSION_MAJOR_NUM < 60
- const icu::UnicodeSet aspirational_scripts(
- icu::UnicodeString(
- // Unified Canadian Syllabics
- "[\\u1401-\\u166C\\u166F-\\u167F"
- // Mongolian
- "\\u1810-\\u1819\\u1820-\\u1877\\u1880-\\u18AA"
- // Unified Canadian Syllabics
- "\\u18B0-\\u18F5"
- // Tifinagh
- "\\u2D30-\\u2D67\\u2D7F"
- // Yi
- "\\uA000-\\uA48C"
- // Miao
- "\\U00016F00-\\U00016F44\\U00016F50-\\U00016F7E"
- "\\U00016F8F-\\U00016F9F]",
- -1, US_INV),
- *status);
- allowed_set.addAll(aspirational_scripts);
-#else
-#error "Update aspirational_scripts per Unicode 10.0"
-#endif
-
// U+0338 is included in the recommended set, while U+05F4 and U+2027 are in
// the inclusion set. However, they are blacklisted as a part of Mozilla's
// IDN blacklist (http://kb.mozillazine.org/Network.IDN.blacklist_chars).
--
2.14.3
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