[arch-commits] Commit in icu/repos (10 files)

Jan de Groot jgc at archlinux.org
Sat Apr 22 11:59:20 UTC 2017


    Date: Saturday, April 22, 2017 @ 11:59:19
  Author: jgc
Revision: 293903

archrelease: copy trunk to testing-i686, testing-x86_64

Added:
  icu/repos/testing-i686/
  icu/repos/testing-i686/PKGBUILD
    (from rev 293902, icu/trunk/PKGBUILD)
  icu/repos/testing-i686/changeset-39671-CVE-2017-7867+7868.patch
    (from rev 293902, icu/trunk/changeset-39671-CVE-2017-7867+7868.patch)
  icu/repos/testing-i686/icu-58.1-iterator-reset.patch
    (from rev 293902, icu/trunk/icu-58.1-iterator-reset.patch)
  icu/repos/testing-i686/icu.8198.revert.icu5431.patch
    (from rev 293902, icu/trunk/icu.8198.revert.icu5431.patch)
  icu/repos/testing-x86_64/
  icu/repos/testing-x86_64/PKGBUILD
    (from rev 293902, icu/trunk/PKGBUILD)
  icu/repos/testing-x86_64/changeset-39671-CVE-2017-7867+7868.patch
    (from rev 293902, icu/trunk/changeset-39671-CVE-2017-7867+7868.patch)
  icu/repos/testing-x86_64/icu-58.1-iterator-reset.patch
    (from rev 293902, icu/trunk/icu-58.1-iterator-reset.patch)
  icu/repos/testing-x86_64/icu.8198.revert.icu5431.patch
    (from rev 293902, icu/trunk/icu.8198.revert.icu5431.patch)

---------------------------------------------------------+
 testing-i686/PKGBUILD                                   |   55 ++++
 testing-i686/changeset-39671-CVE-2017-7867+7868.patch   |  155 ++++++++++++++
 testing-i686/icu-58.1-iterator-reset.patch              |  124 +++++++++++
 testing-i686/icu.8198.revert.icu5431.patch              |  129 +++++++++++
 testing-x86_64/PKGBUILD                                 |   55 ++++
 testing-x86_64/changeset-39671-CVE-2017-7867+7868.patch |  155 ++++++++++++++
 testing-x86_64/icu-58.1-iterator-reset.patch            |  124 +++++++++++
 testing-x86_64/icu.8198.revert.icu5431.patch            |  129 +++++++++++
 8 files changed, 926 insertions(+)

Copied: icu/repos/testing-i686/PKGBUILD (from rev 293902, icu/trunk/PKGBUILD)
===================================================================
--- testing-i686/PKGBUILD	                        (rev 0)
+++ testing-i686/PKGBUILD	2017-04-22 11:59:19 UTC (rev 293903)
@@ -0,0 +1,55 @@
+# $Id$
+# Maintainer: Andreas Radke <andyrtr at archlinux.org>
+# Contributor: Art Gramlich <art at gramlich-net.com>
+
+pkgname=icu
+pkgver=58.2
+pkgrel=2
+pkgdesc="International Components for Unicode library"
+arch=(i686 x86_64)
+url="http://www.icu-project.org/"
+license=('custom:icu')
+depends=('gcc-libs>=4.7.1-5' 'sh')
+#makedepends=('clang')
+# no https available
+source=(#http://download.icu-project.org/files/${pkgname}4c/${pkgver}/${pkgname}4c-${pkgver/./_}-src.tgz
+	http://download.icu-project.org/files/${pkgname}4c/${pkgver}/${pkgname}4c-${pkgver//./_}-src.tgz
+	icu-58.1-iterator-reset.patch
+        changeset-39671-CVE-2017-7867+7868.patch)
+# upstream offers md5sum checks, only asc file for md5sum check
+md5sums=('fac212b32b7ec7ab007a12dff1f3aea1'
+         '8c09ae284967def053e9579d64d0f83c'
+         'cea722333992ad6ede88ebd0bd21cfcd')
+sha256sums=('2b0a4410153a9b20de0e20c7d8b66049a72aef244b53683d0d7521371683da0c'
+            '8034928bcff89eca84d8d0f22fa9b6bdba5e0608a984f64fe7afe41b91bbea97'
+            'cf0c6f946d7336bd46857c52308fd67171918f24fcf19015b5a47a8d2fb8ca0c')
+
+prepare() {
+  cd icu/source
+  # http://bugs.icu-project.org/trac/ticket/12827
+  patch -Np4 -i "${srcdir}"/icu-58.1-iterator-reset.patch
+
+  patch -Np4 -i "${srcdir}"/changeset-39671-CVE-2017-7867+7868.patch
+}
+
+build() {
+  cd icu/source
+  ./configure --prefix=/usr \
+	--sysconfdir=/etc \
+	--mandir=/usr/share/man \
+	--sbindir=/usr/bin
+  make
+}
+
+check() {
+  cd icu/source
+  make -k check # passes all
+}
+
+package() {
+  cd icu/source
+  make -j1 DESTDIR=${pkgdir} install
+
+  # Install license
+  install -Dm644 ${srcdir}/icu/license.html ${pkgdir}/usr/share/licenses/icu/license.html
+}

Copied: icu/repos/testing-i686/changeset-39671-CVE-2017-7867+7868.patch (from rev 293902, icu/trunk/changeset-39671-CVE-2017-7867+7868.patch)
===================================================================
--- testing-i686/changeset-39671-CVE-2017-7867+7868.patch	                        (rev 0)
+++ testing-i686/changeset-39671-CVE-2017-7867+7868.patch	2017-04-22 11:59:19 UTC (rev 293903)
@@ -0,0 +1,155 @@
+Index: /trunk/icu4c/source/common/utext.cpp
+===================================================================
+--- /trunk/icu4c/source/common/utext.cpp	(revision 39670)
++++ /trunk/icu4c/source/common/utext.cpp	(revision 39671)
+@@ -848,7 +848,13 @@
+ 
+ // Chunk size.
+-//     Must be less than 85, because of byte mapping from UChar indexes to native indexes.
+-//     Worst case is three native bytes to one UChar.  (Supplemenaries are 4 native bytes
+-//     to two UChars.)
++//     Must be less than 42  (256/6), because of byte mapping from UChar indexes to native indexes.
++//     Worst case there are six UTF-8 bytes per UChar.
++//         obsolete 6 byte form fd + 5 trails maps to fffd
++//         obsolete 5 byte form fc + 4 trails maps to fffd
++//         non-shortest 4 byte forms maps to fffd
++//         normal supplementaries map to a pair of utf-16, two utf8 bytes per utf-16 unit
++//     mapToUChars array size must allow for the worst case, 6.
++//     This could be brought down to 4, by treating fd and fc as pure illegal,
++//     rather than obsolete lead bytes. But that is not compatible with the utf-8 access macros.
+ //
+ enum { UTF8_TEXT_CHUNK_SIZE=32 };
+@@ -890,5 +896,5 @@
+                                                      //    one for a supplementary starting in the last normal position,
+                                                      //    and one for an entry for the buffer limit position.
+-    uint8_t   mapToUChars[UTF8_TEXT_CHUNK_SIZE*3+6]; // Map native offset from bufNativeStart to
++    uint8_t   mapToUChars[UTF8_TEXT_CHUNK_SIZE*6+6]; // Map native offset from bufNativeStart to
+                                                      //   correspoding offset in filled part of buf.
+     int32_t   align;
+@@ -1033,4 +1039,5 @@
+             u8b = (UTF8Buf *)ut->p;   // the current buffer
+             mapIndex = ix - u8b->toUCharsMapStart;
++            U_ASSERT(mapIndex < (int32_t)sizeof(UTF8Buf::mapToUChars));
+             ut->chunkOffset = u8b->mapToUChars[mapIndex] - u8b->bufStartIdx;
+             return TRUE;
+@@ -1299,4 +1306,8 @@
+         //   If index is at the end, there is no character there to look at.
+         if (ix != ut->b) {
++            // Note: this function will only move the index back if it is on a trail byte
++            //       and there is a preceding lead byte and the sequence from the lead 
++            //       through this trail could be part of a valid UTF-8 sequence
++            //       Otherwise the index remains unchanged.
+             U8_SET_CP_START(s8, 0, ix);
+         }
+@@ -1312,5 +1323,8 @@
+         uint8_t *mapToNative = u8b->mapToNative;
+         uint8_t *mapToUChars = u8b->mapToUChars;
+-        int32_t  toUCharsMapStart = ix - (UTF8_TEXT_CHUNK_SIZE*3 + 1);
++        int32_t  toUCharsMapStart = ix - sizeof(UTF8Buf::mapToUChars) + 1;
++        // Note that toUCharsMapStart can be negative. Happens when the remaining
++        // text from current position to the beginning is less than the buffer size.
++        // + 1 because mapToUChars must have a slot at the end for the bufNativeLimit entry.
+         int32_t  destIx = UTF8_TEXT_CHUNK_SIZE+2;   // Start in the overflow region
+                                                     //   at end of buffer to leave room
+@@ -1339,4 +1353,5 @@
+                 // Special case ASCII range for speed.
+                 buf[destIx] = (UChar)c;
++                U_ASSERT(toUCharsMapStart <= srcIx);
+                 mapToUChars[srcIx - toUCharsMapStart] = (uint8_t)destIx;
+                 mapToNative[destIx] = (uint8_t)(srcIx - toUCharsMapStart);
+@@ -1368,4 +1383,5 @@
+                     mapToUChars[sIx-- - toUCharsMapStart] = (uint8_t)destIx;
+                 } while (sIx >= srcIx);
++                U_ASSERT(toUCharsMapStart <= (srcIx+1));
+ 
+                 // Set native indexing limit to be the current position.
+@@ -1542,4 +1558,5 @@
+     U_ASSERT(index<=ut->chunkNativeLimit);
+     int32_t mapIndex = index - u8b->toUCharsMapStart;
++    U_ASSERT(mapIndex < (int32_t)sizeof(UTF8Buf::mapToUChars));
+     int32_t offset = u8b->mapToUChars[mapIndex] - u8b->bufStartIdx;
+     U_ASSERT(offset>=0 && offset<=ut->chunkLength);
+Index: /trunk/icu4c/source/test/intltest/utxttest.cpp
+===================================================================
+--- /trunk/icu4c/source/test/intltest/utxttest.cpp	(revision 39670)
++++ /trunk/icu4c/source/test/intltest/utxttest.cpp	(revision 39671)
+@@ -68,4 +68,6 @@
+         case 7: name = "Ticket12130";
+             if (exec) Ticket12130(); break;
++        case 8: name = "Ticket12888";
++            if (exec) Ticket12888(); break;
+         default: name = "";          break;
+     }
+@@ -1584,2 +1586,62 @@
+     utext_close(&ut);
+ }
++
++// Ticket 12888: bad handling of illegal utf-8 containing many instances of the archaic, now illegal,
++//               six byte utf-8 forms. Original implementation had an assumption that
++//               there would be at most three utf-8 bytes per UTF-16 code unit.
++//               The five and six byte sequences map to a single replacement character.
++
++void UTextTest::Ticket12888() {
++    const char *badString = 
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80";
++
++    UErrorCode status = U_ZERO_ERROR;
++    LocalUTextPointer ut(utext_openUTF8(NULL, badString, -1, &status));
++    TEST_SUCCESS(status);
++    for (;;) {
++        UChar32 c = utext_next32(ut.getAlias());
++        if (c == U_SENTINEL) {
++            break;
++        }
++    }
++    int32_t endIdx = utext_getNativeIndex(ut.getAlias());
++    if (endIdx != (int32_t)strlen(badString)) {
++        errln("%s:%d expected=%d, actual=%d", __FILE__, __LINE__, strlen(badString), endIdx);
++        return;
++    }
++
++    for (int32_t prevIndex = endIdx; prevIndex>0;) {
++        UChar32 c = utext_previous32(ut.getAlias());
++        int32_t currentIndex = utext_getNativeIndex(ut.getAlias());
++        if (c != 0xfffd) {
++            errln("%s:%d (expected, actual, index) = (%d, %d, %d)\n",
++                    __FILE__, __LINE__, 0xfffd, c, currentIndex);
++            break;
++        }
++        if (currentIndex != prevIndex - 6) {
++            errln("%s:%d: wrong index. Expected, actual = %d, %d",
++                    __FILE__, __LINE__, prevIndex - 6, currentIndex);
++            break;
++        }
++        prevIndex = currentIndex;
++    }
++}
+Index: /trunk/icu4c/source/test/intltest/utxttest.h
+===================================================================
+--- /trunk/icu4c/source/test/intltest/utxttest.h	(revision 39670)
++++ /trunk/icu4c/source/test/intltest/utxttest.h	(revision 39671)
+@@ -39,4 +39,5 @@
+     void Ticket10983();
+     void Ticket12130();
++    void Ticket12888();
+ 
+ private:

Copied: icu/repos/testing-i686/icu-58.1-iterator-reset.patch (from rev 293902, icu/trunk/icu-58.1-iterator-reset.patch)
===================================================================
--- testing-i686/icu-58.1-iterator-reset.patch	                        (rev 0)
+++ testing-i686/icu-58.1-iterator-reset.patch	2017-04-22 11:59:19 UTC (rev 293903)
@@ -0,0 +1,124 @@
+Index: /icu/trunk/source/common/ulist.c
+===================================================================
+--- /icu/trunk/source/common/ulist.c	(revision 39483)
++++ /icu/trunk/source/common/ulist.c	(revision 39484)
+@@ -30,5 +30,4 @@
+     
+     int32_t size;
+-    int32_t currentIndex;
+ };
+ 
+@@ -52,5 +51,4 @@
+     newList->tail = NULL;
+     newList->size = 0;
+-    newList->currentIndex = -1;
+     
+     return newList;
+@@ -81,6 +79,7 @@
+         p->next->previous = p->previous;
+     }
+-    list->curr = NULL;
+-    list->currentIndex = 0;
++    if (p == list->curr) {
++        list->curr = p->next;
++    }
+     --list->size;
+     if (p->forceDelete) {
+@@ -151,5 +150,4 @@
+         list->head->previous = newItem;
+         list->head = newItem;
+-        list->currentIndex++;
+     }
+     
+@@ -194,5 +192,4 @@
+     curr = list->curr;
+     list->curr = curr->next;
+-    list->currentIndex++;
+     
+     return curr->data;
+@@ -210,5 +207,4 @@
+     if (list != NULL) {
+         list->curr = list->head;
+-        list->currentIndex = 0;
+     }
+ }
+@@ -273,3 +269,2 @@
+     return (UList *)(en->context);
+ }
+-
+Index: /icu/trunk/source/i18n/ucol_res.cpp
+===================================================================
+--- /icu/trunk/source/i18n/ucol_res.cpp	(revision 39483)
++++ /icu/trunk/source/i18n/ucol_res.cpp	(revision 39484)
+@@ -681,4 +681,5 @@
+     }
+     memcpy(en, &defaultKeywordValues, sizeof(UEnumeration));
++    ulist_resetList(sink.values);  // Initialize the iterator.
+     en->context = sink.values;
+     sink.values = NULL;  // Avoid deletion in the sink destructor.
+Index: /icu/trunk/source/test/intltest/apicoll.cpp
+===================================================================
+--- /icu/trunk/source/test/intltest/apicoll.cpp	(revision 39483)
++++ /icu/trunk/source/test/intltest/apicoll.cpp	(revision 39484)
+@@ -82,14 +82,7 @@
+     col = Collator::createInstance(Locale::getEnglish(), success);
+     if (U_FAILURE(success)){
+-        errcheckln(success, "Default Collator creation failed. - %s", u_errorName(success));
+-        return;
+-    }
+-
+-    StringEnumeration* kwEnum = col->getKeywordValuesForLocale("", Locale::getEnglish(),true,success);
+-    if (U_FAILURE(success)){
+-        errcheckln(success, "Get Keyword Values for Locale failed. - %s", u_errorName(success));
+-        return;
+-    }
+-    delete kwEnum;
++        errcheckln(success, "English Collator creation failed. - %s", u_errorName(success));
++        return;
++    }
+ 
+     col->getVersion(versionArray);
+@@ -230,4 +223,27 @@
+     delete aFrCol;
+     delete junk;
++}
++
++void CollationAPITest::TestKeywordValues() {
++    IcuTestErrorCode errorCode(*this, "TestKeywordValues");
++    LocalPointer<Collator> col(Collator::createInstance(Locale::getEnglish(), errorCode));
++    if (errorCode.logIfFailureAndReset("English Collator creation failed")) {
++        return;
++    }
++
++    LocalPointer<StringEnumeration> kwEnum(
++        col->getKeywordValuesForLocale("collation", Locale::getEnglish(), TRUE, errorCode));
++    if (errorCode.logIfFailureAndReset("Get Keyword Values for English Collator failed")) {
++        return;
++    }
++    assertTrue("expect at least one collation tailoring for English", kwEnum->count(errorCode) > 0);
++    const char *kw;
++    UBool hasStandard = FALSE;
++    while ((kw = kwEnum->next(NULL, errorCode)) != NULL) {
++        if (strcmp(kw, "standard") == 0) {
++            hasStandard = TRUE;
++        }
++    }
++    assertTrue("expect at least the 'standard' collation tailoring for English", hasStandard);
+ }
+ 
+@@ -2467,4 +2483,5 @@
+     TESTCASE_AUTO_BEGIN;
+     TESTCASE_AUTO(TestProperty);
++    TESTCASE_AUTO(TestKeywordValues);
+     TESTCASE_AUTO(TestOperators);
+     TESTCASE_AUTO(TestDuplicate);
+Index: /icu/trunk/source/test/intltest/apicoll.h
+===================================================================
+--- /icu/trunk/source/test/intltest/apicoll.h	(revision 39483)
++++ /icu/trunk/source/test/intltest/apicoll.h	(revision 39484)
+@@ -36,4 +36,5 @@
+      */
+     void TestProperty(/* char* par */);
++    void TestKeywordValues();
+ 
+     /**

Copied: icu/repos/testing-i686/icu.8198.revert.icu5431.patch (from rev 293902, icu/trunk/icu.8198.revert.icu5431.patch)
===================================================================
--- testing-i686/icu.8198.revert.icu5431.patch	                        (rev 0)
+++ testing-i686/icu.8198.revert.icu5431.patch	2017-04-22 11:59:19 UTC (rev 293903)
@@ -0,0 +1,129 @@
+Index: icu/trunk/source/layout/IndicReordering.cpp
+===================================================================
+--- icu/trunk/source/layout/IndicReordering.cpp	(revision 25772)
++++ icu/trunk/source/layout/IndicReordering.cpp	(revision 26090)
+@@ -126,4 +126,8 @@
+     FeatureMask fSMFeatures;
+ 
++    LEUnicode   fPreBaseConsonant;
++    LEUnicode   fPreBaseVirama;
++    le_int32    fPBCIndex;
++    FeatureMask fPBCFeatures;
+ 
+     void saveMatra(LEUnicode matra, le_int32 matraIndex, IndicClassTable::CharClass matraClass)
+@@ -172,5 +176,6 @@
+           fMatraFeatures(0), fMPreOutIndex(-1), fMPreFixups(mpreFixups),
+           fVMabove(0), fVMpost(0), fVMIndex(0), fVMFeatures(0),
+-          fSMabove(0), fSMbelow(0), fSMIndex(0), fSMFeatures(0)
++          fSMabove(0), fSMbelow(0), fSMIndex(0), fSMFeatures(0),
++          fPreBaseConsonant(0), fPreBaseVirama(0), fPBCIndex(0), fPBCFeatures(0)
+     {
+         // nothing else to do...
+@@ -191,4 +196,6 @@
+         fVMabove = fVMpost  = 0;
+         fSMabove = fSMbelow = 0;
++
++        fPreBaseConsonant = fPreBaseVirama = 0;
+     }
+ 
+@@ -386,4 +393,12 @@
+     }
+ 
++    void notePreBaseConsonant(le_uint32 index,LEUnicode PBConsonant, LEUnicode PBVirama, FeatureMask features)
++    {
++        fPBCIndex = index;
++        fPreBaseConsonant = PBConsonant;
++        fPreBaseVirama = PBVirama;
++        fPBCFeatures = features;
++    }
++
+     void noteBaseConsonant()
+     {
+@@ -465,4 +480,20 @@
+     }
+     
++    void writePreBaseConsonant()
++    {
++        // The TDIL spec says that consonant + virama + RRA should produce a rakar in Malayalam.  However,
++        // it seems that almost none of the fonts for Malayalam are set up to handle this.
++        // So, we're going to force the issue here by using the rakar as defined with RA in most fonts.
++
++        if (fPreBaseConsonant == 0x0d31) { // RRA
++            fPreBaseConsonant = 0x0d30; // RA
++        }
++        
++        if (fPreBaseConsonant != 0) {
++            writeChar(fPreBaseConsonant, fPBCIndex, fPBCFeatures);
++            writeChar(fPreBaseVirama,fPBCIndex-1,fPBCFeatures);
++        }
++    }
++
+     le_int32 getOutputIndex()
+     {
+@@ -723,4 +754,5 @@
+             }
+ 
++            
+             IndicClassTable::CharClass charClass = CC_RESERVED;
+             IndicClassTable::CharClass nextClass = CC_RESERVED;
+@@ -730,7 +762,9 @@
+             le_bool  seenVattu = FALSE;
+             le_bool  seenBelowBaseForm = FALSE;
++            le_bool  seenPreBaseForm = FALSE;
+             le_bool  hasNukta = FALSE;
+             le_bool  hasBelowBaseForm = FALSE;
+             le_bool  hasPostBaseForm = FALSE;
++            le_bool  hasPreBaseForm = FALSE;
+ 
+             if (postBase < markStart && classTable->isNukta(chars[postBase])) {
+@@ -746,12 +780,20 @@
+                 hasBelowBaseForm = IndicClassTable::hasBelowBaseForm(charClass) && !hasNukta;
+                 hasPostBaseForm  = IndicClassTable::hasPostBaseForm(charClass)  && !hasNukta;
++                hasPreBaseForm = IndicClassTable::hasPreBaseForm(charClass) && !hasNukta;
+ 
+                 if (IndicClassTable::isConsonant(charClass)) {
+                     if (postBaseLimit == 0 || seenVattu ||
+                         (baseConsonant > baseLimit && !classTable->isVirama(chars[baseConsonant - 1])) ||
+-                        !(hasBelowBaseForm || hasPostBaseForm)) {
++                        !(hasBelowBaseForm || hasPostBaseForm || hasPreBaseForm)) {
+                         break;
+                     }
+ 
++                    // Note any pre-base consonants
++                    if ( baseConsonant == lastConsonant && lastConsonant > 0 && 
++                         hasPreBaseForm && classTable->isVirama(chars[baseConsonant - 1])) {
++                        output.notePreBaseConsonant(lastConsonant,chars[lastConsonant],chars[lastConsonant-1],tagArray2);
++                        seenPreBaseForm = TRUE;
++   
++                    }
+                     // consonants with nuktas are never vattus
+                     seenVattu = IndicClassTable::isVattu(charClass) && !hasNukta;
+@@ -786,10 +828,12 @@
+ 
+             // write any pre-base consonants
++            output.writePreBaseConsonant();
++
+             le_bool supressVattu = TRUE;
+ 
+             for (i = baseLimit; i < baseConsonant; i += 1) {
+                 LEUnicode ch = chars[i];
+-                // Don't put 'blwf' on first consonant.
+-                FeatureMask features = (i == baseLimit? tagArray2 : tagArray1);
++                // Don't put 'pstf' or 'blwf' on anything before the base consonant.
++                FeatureMask features = tagArray1 & ~( pstfFeatureMask | blwfFeatureMask );
+ 
+                 charClass = classTable->getCharClass(ch);
+@@ -842,5 +886,5 @@
+ 
+             // write below-base consonants
+-            if (baseConsonant != lastConsonant) {
++            if (baseConsonant != lastConsonant && !seenPreBaseForm) {
+                 for (i = bcSpan + 1; i < postBase; i += 1) {
+                     output.writeChar(chars[i], i, tagArray1);
+@@ -872,5 +916,5 @@
+             // write post-base consonants
+             // FIXME: does this put the right tags on post-base consonants?
+-            if (baseConsonant != lastConsonant) {
++            if (baseConsonant != lastConsonant && !seenPreBaseForm) {
+                 if (postBase <= lastConsonant) {
+                     for (i = postBase; i <= lastConsonant; i += 1) {

Copied: icu/repos/testing-x86_64/PKGBUILD (from rev 293902, icu/trunk/PKGBUILD)
===================================================================
--- testing-x86_64/PKGBUILD	                        (rev 0)
+++ testing-x86_64/PKGBUILD	2017-04-22 11:59:19 UTC (rev 293903)
@@ -0,0 +1,55 @@
+# $Id$
+# Maintainer: Andreas Radke <andyrtr at archlinux.org>
+# Contributor: Art Gramlich <art at gramlich-net.com>
+
+pkgname=icu
+pkgver=58.2
+pkgrel=2
+pkgdesc="International Components for Unicode library"
+arch=(i686 x86_64)
+url="http://www.icu-project.org/"
+license=('custom:icu')
+depends=('gcc-libs>=4.7.1-5' 'sh')
+#makedepends=('clang')
+# no https available
+source=(#http://download.icu-project.org/files/${pkgname}4c/${pkgver}/${pkgname}4c-${pkgver/./_}-src.tgz
+	http://download.icu-project.org/files/${pkgname}4c/${pkgver}/${pkgname}4c-${pkgver//./_}-src.tgz
+	icu-58.1-iterator-reset.patch
+        changeset-39671-CVE-2017-7867+7868.patch)
+# upstream offers md5sum checks, only asc file for md5sum check
+md5sums=('fac212b32b7ec7ab007a12dff1f3aea1'
+         '8c09ae284967def053e9579d64d0f83c'
+         'cea722333992ad6ede88ebd0bd21cfcd')
+sha256sums=('2b0a4410153a9b20de0e20c7d8b66049a72aef244b53683d0d7521371683da0c'
+            '8034928bcff89eca84d8d0f22fa9b6bdba5e0608a984f64fe7afe41b91bbea97'
+            'cf0c6f946d7336bd46857c52308fd67171918f24fcf19015b5a47a8d2fb8ca0c')
+
+prepare() {
+  cd icu/source
+  # http://bugs.icu-project.org/trac/ticket/12827
+  patch -Np4 -i "${srcdir}"/icu-58.1-iterator-reset.patch
+
+  patch -Np4 -i "${srcdir}"/changeset-39671-CVE-2017-7867+7868.patch
+}
+
+build() {
+  cd icu/source
+  ./configure --prefix=/usr \
+	--sysconfdir=/etc \
+	--mandir=/usr/share/man \
+	--sbindir=/usr/bin
+  make
+}
+
+check() {
+  cd icu/source
+  make -k check # passes all
+}
+
+package() {
+  cd icu/source
+  make -j1 DESTDIR=${pkgdir} install
+
+  # Install license
+  install -Dm644 ${srcdir}/icu/license.html ${pkgdir}/usr/share/licenses/icu/license.html
+}

Copied: icu/repos/testing-x86_64/changeset-39671-CVE-2017-7867+7868.patch (from rev 293902, icu/trunk/changeset-39671-CVE-2017-7867+7868.patch)
===================================================================
--- testing-x86_64/changeset-39671-CVE-2017-7867+7868.patch	                        (rev 0)
+++ testing-x86_64/changeset-39671-CVE-2017-7867+7868.patch	2017-04-22 11:59:19 UTC (rev 293903)
@@ -0,0 +1,155 @@
+Index: /trunk/icu4c/source/common/utext.cpp
+===================================================================
+--- /trunk/icu4c/source/common/utext.cpp	(revision 39670)
++++ /trunk/icu4c/source/common/utext.cpp	(revision 39671)
+@@ -848,7 +848,13 @@
+ 
+ // Chunk size.
+-//     Must be less than 85, because of byte mapping from UChar indexes to native indexes.
+-//     Worst case is three native bytes to one UChar.  (Supplemenaries are 4 native bytes
+-//     to two UChars.)
++//     Must be less than 42  (256/6), because of byte mapping from UChar indexes to native indexes.
++//     Worst case there are six UTF-8 bytes per UChar.
++//         obsolete 6 byte form fd + 5 trails maps to fffd
++//         obsolete 5 byte form fc + 4 trails maps to fffd
++//         non-shortest 4 byte forms maps to fffd
++//         normal supplementaries map to a pair of utf-16, two utf8 bytes per utf-16 unit
++//     mapToUChars array size must allow for the worst case, 6.
++//     This could be brought down to 4, by treating fd and fc as pure illegal,
++//     rather than obsolete lead bytes. But that is not compatible with the utf-8 access macros.
+ //
+ enum { UTF8_TEXT_CHUNK_SIZE=32 };
+@@ -890,5 +896,5 @@
+                                                      //    one for a supplementary starting in the last normal position,
+                                                      //    and one for an entry for the buffer limit position.
+-    uint8_t   mapToUChars[UTF8_TEXT_CHUNK_SIZE*3+6]; // Map native offset from bufNativeStart to
++    uint8_t   mapToUChars[UTF8_TEXT_CHUNK_SIZE*6+6]; // Map native offset from bufNativeStart to
+                                                      //   correspoding offset in filled part of buf.
+     int32_t   align;
+@@ -1033,4 +1039,5 @@
+             u8b = (UTF8Buf *)ut->p;   // the current buffer
+             mapIndex = ix - u8b->toUCharsMapStart;
++            U_ASSERT(mapIndex < (int32_t)sizeof(UTF8Buf::mapToUChars));
+             ut->chunkOffset = u8b->mapToUChars[mapIndex] - u8b->bufStartIdx;
+             return TRUE;
+@@ -1299,4 +1306,8 @@
+         //   If index is at the end, there is no character there to look at.
+         if (ix != ut->b) {
++            // Note: this function will only move the index back if it is on a trail byte
++            //       and there is a preceding lead byte and the sequence from the lead 
++            //       through this trail could be part of a valid UTF-8 sequence
++            //       Otherwise the index remains unchanged.
+             U8_SET_CP_START(s8, 0, ix);
+         }
+@@ -1312,5 +1323,8 @@
+         uint8_t *mapToNative = u8b->mapToNative;
+         uint8_t *mapToUChars = u8b->mapToUChars;
+-        int32_t  toUCharsMapStart = ix - (UTF8_TEXT_CHUNK_SIZE*3 + 1);
++        int32_t  toUCharsMapStart = ix - sizeof(UTF8Buf::mapToUChars) + 1;
++        // Note that toUCharsMapStart can be negative. Happens when the remaining
++        // text from current position to the beginning is less than the buffer size.
++        // + 1 because mapToUChars must have a slot at the end for the bufNativeLimit entry.
+         int32_t  destIx = UTF8_TEXT_CHUNK_SIZE+2;   // Start in the overflow region
+                                                     //   at end of buffer to leave room
+@@ -1339,4 +1353,5 @@
+                 // Special case ASCII range for speed.
+                 buf[destIx] = (UChar)c;
++                U_ASSERT(toUCharsMapStart <= srcIx);
+                 mapToUChars[srcIx - toUCharsMapStart] = (uint8_t)destIx;
+                 mapToNative[destIx] = (uint8_t)(srcIx - toUCharsMapStart);
+@@ -1368,4 +1383,5 @@
+                     mapToUChars[sIx-- - toUCharsMapStart] = (uint8_t)destIx;
+                 } while (sIx >= srcIx);
++                U_ASSERT(toUCharsMapStart <= (srcIx+1));
+ 
+                 // Set native indexing limit to be the current position.
+@@ -1542,4 +1558,5 @@
+     U_ASSERT(index<=ut->chunkNativeLimit);
+     int32_t mapIndex = index - u8b->toUCharsMapStart;
++    U_ASSERT(mapIndex < (int32_t)sizeof(UTF8Buf::mapToUChars));
+     int32_t offset = u8b->mapToUChars[mapIndex] - u8b->bufStartIdx;
+     U_ASSERT(offset>=0 && offset<=ut->chunkLength);
+Index: /trunk/icu4c/source/test/intltest/utxttest.cpp
+===================================================================
+--- /trunk/icu4c/source/test/intltest/utxttest.cpp	(revision 39670)
++++ /trunk/icu4c/source/test/intltest/utxttest.cpp	(revision 39671)
+@@ -68,4 +68,6 @@
+         case 7: name = "Ticket12130";
+             if (exec) Ticket12130(); break;
++        case 8: name = "Ticket12888";
++            if (exec) Ticket12888(); break;
+         default: name = "";          break;
+     }
+@@ -1584,2 +1586,62 @@
+     utext_close(&ut);
+ }
++
++// Ticket 12888: bad handling of illegal utf-8 containing many instances of the archaic, now illegal,
++//               six byte utf-8 forms. Original implementation had an assumption that
++//               there would be at most three utf-8 bytes per UTF-16 code unit.
++//               The five and six byte sequences map to a single replacement character.
++
++void UTextTest::Ticket12888() {
++    const char *badString = 
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80"
++            "\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80\xfd\x80\x80\x80\x80\x80";
++
++    UErrorCode status = U_ZERO_ERROR;
++    LocalUTextPointer ut(utext_openUTF8(NULL, badString, -1, &status));
++    TEST_SUCCESS(status);
++    for (;;) {
++        UChar32 c = utext_next32(ut.getAlias());
++        if (c == U_SENTINEL) {
++            break;
++        }
++    }
++    int32_t endIdx = utext_getNativeIndex(ut.getAlias());
++    if (endIdx != (int32_t)strlen(badString)) {
++        errln("%s:%d expected=%d, actual=%d", __FILE__, __LINE__, strlen(badString), endIdx);
++        return;
++    }
++
++    for (int32_t prevIndex = endIdx; prevIndex>0;) {
++        UChar32 c = utext_previous32(ut.getAlias());
++        int32_t currentIndex = utext_getNativeIndex(ut.getAlias());
++        if (c != 0xfffd) {
++            errln("%s:%d (expected, actual, index) = (%d, %d, %d)\n",
++                    __FILE__, __LINE__, 0xfffd, c, currentIndex);
++            break;
++        }
++        if (currentIndex != prevIndex - 6) {
++            errln("%s:%d: wrong index. Expected, actual = %d, %d",
++                    __FILE__, __LINE__, prevIndex - 6, currentIndex);
++            break;
++        }
++        prevIndex = currentIndex;
++    }
++}
+Index: /trunk/icu4c/source/test/intltest/utxttest.h
+===================================================================
+--- /trunk/icu4c/source/test/intltest/utxttest.h	(revision 39670)
++++ /trunk/icu4c/source/test/intltest/utxttest.h	(revision 39671)
+@@ -39,4 +39,5 @@
+     void Ticket10983();
+     void Ticket12130();
++    void Ticket12888();
+ 
+ private:

Copied: icu/repos/testing-x86_64/icu-58.1-iterator-reset.patch (from rev 293902, icu/trunk/icu-58.1-iterator-reset.patch)
===================================================================
--- testing-x86_64/icu-58.1-iterator-reset.patch	                        (rev 0)
+++ testing-x86_64/icu-58.1-iterator-reset.patch	2017-04-22 11:59:19 UTC (rev 293903)
@@ -0,0 +1,124 @@
+Index: /icu/trunk/source/common/ulist.c
+===================================================================
+--- /icu/trunk/source/common/ulist.c	(revision 39483)
++++ /icu/trunk/source/common/ulist.c	(revision 39484)
+@@ -30,5 +30,4 @@
+     
+     int32_t size;
+-    int32_t currentIndex;
+ };
+ 
+@@ -52,5 +51,4 @@
+     newList->tail = NULL;
+     newList->size = 0;
+-    newList->currentIndex = -1;
+     
+     return newList;
+@@ -81,6 +79,7 @@
+         p->next->previous = p->previous;
+     }
+-    list->curr = NULL;
+-    list->currentIndex = 0;
++    if (p == list->curr) {
++        list->curr = p->next;
++    }
+     --list->size;
+     if (p->forceDelete) {
+@@ -151,5 +150,4 @@
+         list->head->previous = newItem;
+         list->head = newItem;
+-        list->currentIndex++;
+     }
+     
+@@ -194,5 +192,4 @@
+     curr = list->curr;
+     list->curr = curr->next;
+-    list->currentIndex++;
+     
+     return curr->data;
+@@ -210,5 +207,4 @@
+     if (list != NULL) {
+         list->curr = list->head;
+-        list->currentIndex = 0;
+     }
+ }
+@@ -273,3 +269,2 @@
+     return (UList *)(en->context);
+ }
+-
+Index: /icu/trunk/source/i18n/ucol_res.cpp
+===================================================================
+--- /icu/trunk/source/i18n/ucol_res.cpp	(revision 39483)
++++ /icu/trunk/source/i18n/ucol_res.cpp	(revision 39484)
+@@ -681,4 +681,5 @@
+     }
+     memcpy(en, &defaultKeywordValues, sizeof(UEnumeration));
++    ulist_resetList(sink.values);  // Initialize the iterator.
+     en->context = sink.values;
+     sink.values = NULL;  // Avoid deletion in the sink destructor.
+Index: /icu/trunk/source/test/intltest/apicoll.cpp
+===================================================================
+--- /icu/trunk/source/test/intltest/apicoll.cpp	(revision 39483)
++++ /icu/trunk/source/test/intltest/apicoll.cpp	(revision 39484)
+@@ -82,14 +82,7 @@
+     col = Collator::createInstance(Locale::getEnglish(), success);
+     if (U_FAILURE(success)){
+-        errcheckln(success, "Default Collator creation failed. - %s", u_errorName(success));
+-        return;
+-    }
+-
+-    StringEnumeration* kwEnum = col->getKeywordValuesForLocale("", Locale::getEnglish(),true,success);
+-    if (U_FAILURE(success)){
+-        errcheckln(success, "Get Keyword Values for Locale failed. - %s", u_errorName(success));
+-        return;
+-    }
+-    delete kwEnum;
++        errcheckln(success, "English Collator creation failed. - %s", u_errorName(success));
++        return;
++    }
+ 
+     col->getVersion(versionArray);
+@@ -230,4 +223,27 @@
+     delete aFrCol;
+     delete junk;
++}
++
++void CollationAPITest::TestKeywordValues() {
++    IcuTestErrorCode errorCode(*this, "TestKeywordValues");
++    LocalPointer<Collator> col(Collator::createInstance(Locale::getEnglish(), errorCode));
++    if (errorCode.logIfFailureAndReset("English Collator creation failed")) {
++        return;
++    }
++
++    LocalPointer<StringEnumeration> kwEnum(
++        col->getKeywordValuesForLocale("collation", Locale::getEnglish(), TRUE, errorCode));
++    if (errorCode.logIfFailureAndReset("Get Keyword Values for English Collator failed")) {
++        return;
++    }
++    assertTrue("expect at least one collation tailoring for English", kwEnum->count(errorCode) > 0);
++    const char *kw;
++    UBool hasStandard = FALSE;
++    while ((kw = kwEnum->next(NULL, errorCode)) != NULL) {
++        if (strcmp(kw, "standard") == 0) {
++            hasStandard = TRUE;
++        }
++    }
++    assertTrue("expect at least the 'standard' collation tailoring for English", hasStandard);
+ }
+ 
+@@ -2467,4 +2483,5 @@
+     TESTCASE_AUTO_BEGIN;
+     TESTCASE_AUTO(TestProperty);
++    TESTCASE_AUTO(TestKeywordValues);
+     TESTCASE_AUTO(TestOperators);
+     TESTCASE_AUTO(TestDuplicate);
+Index: /icu/trunk/source/test/intltest/apicoll.h
+===================================================================
+--- /icu/trunk/source/test/intltest/apicoll.h	(revision 39483)
++++ /icu/trunk/source/test/intltest/apicoll.h	(revision 39484)
+@@ -36,4 +36,5 @@
+      */
+     void TestProperty(/* char* par */);
++    void TestKeywordValues();
+ 
+     /**

Copied: icu/repos/testing-x86_64/icu.8198.revert.icu5431.patch (from rev 293902, icu/trunk/icu.8198.revert.icu5431.patch)
===================================================================
--- testing-x86_64/icu.8198.revert.icu5431.patch	                        (rev 0)
+++ testing-x86_64/icu.8198.revert.icu5431.patch	2017-04-22 11:59:19 UTC (rev 293903)
@@ -0,0 +1,129 @@
+Index: icu/trunk/source/layout/IndicReordering.cpp
+===================================================================
+--- icu/trunk/source/layout/IndicReordering.cpp	(revision 25772)
++++ icu/trunk/source/layout/IndicReordering.cpp	(revision 26090)
+@@ -126,4 +126,8 @@
+     FeatureMask fSMFeatures;
+ 
++    LEUnicode   fPreBaseConsonant;
++    LEUnicode   fPreBaseVirama;
++    le_int32    fPBCIndex;
++    FeatureMask fPBCFeatures;
+ 
+     void saveMatra(LEUnicode matra, le_int32 matraIndex, IndicClassTable::CharClass matraClass)
+@@ -172,5 +176,6 @@
+           fMatraFeatures(0), fMPreOutIndex(-1), fMPreFixups(mpreFixups),
+           fVMabove(0), fVMpost(0), fVMIndex(0), fVMFeatures(0),
+-          fSMabove(0), fSMbelow(0), fSMIndex(0), fSMFeatures(0)
++          fSMabove(0), fSMbelow(0), fSMIndex(0), fSMFeatures(0),
++          fPreBaseConsonant(0), fPreBaseVirama(0), fPBCIndex(0), fPBCFeatures(0)
+     {
+         // nothing else to do...
+@@ -191,4 +196,6 @@
+         fVMabove = fVMpost  = 0;
+         fSMabove = fSMbelow = 0;
++
++        fPreBaseConsonant = fPreBaseVirama = 0;
+     }
+ 
+@@ -386,4 +393,12 @@
+     }
+ 
++    void notePreBaseConsonant(le_uint32 index,LEUnicode PBConsonant, LEUnicode PBVirama, FeatureMask features)
++    {
++        fPBCIndex = index;
++        fPreBaseConsonant = PBConsonant;
++        fPreBaseVirama = PBVirama;
++        fPBCFeatures = features;
++    }
++
+     void noteBaseConsonant()
+     {
+@@ -465,4 +480,20 @@
+     }
+     
++    void writePreBaseConsonant()
++    {
++        // The TDIL spec says that consonant + virama + RRA should produce a rakar in Malayalam.  However,
++        // it seems that almost none of the fonts for Malayalam are set up to handle this.
++        // So, we're going to force the issue here by using the rakar as defined with RA in most fonts.
++
++        if (fPreBaseConsonant == 0x0d31) { // RRA
++            fPreBaseConsonant = 0x0d30; // RA
++        }
++        
++        if (fPreBaseConsonant != 0) {
++            writeChar(fPreBaseConsonant, fPBCIndex, fPBCFeatures);
++            writeChar(fPreBaseVirama,fPBCIndex-1,fPBCFeatures);
++        }
++    }
++
+     le_int32 getOutputIndex()
+     {
+@@ -723,4 +754,5 @@
+             }
+ 
++            
+             IndicClassTable::CharClass charClass = CC_RESERVED;
+             IndicClassTable::CharClass nextClass = CC_RESERVED;
+@@ -730,7 +762,9 @@
+             le_bool  seenVattu = FALSE;
+             le_bool  seenBelowBaseForm = FALSE;
++            le_bool  seenPreBaseForm = FALSE;
+             le_bool  hasNukta = FALSE;
+             le_bool  hasBelowBaseForm = FALSE;
+             le_bool  hasPostBaseForm = FALSE;
++            le_bool  hasPreBaseForm = FALSE;
+ 
+             if (postBase < markStart && classTable->isNukta(chars[postBase])) {
+@@ -746,12 +780,20 @@
+                 hasBelowBaseForm = IndicClassTable::hasBelowBaseForm(charClass) && !hasNukta;
+                 hasPostBaseForm  = IndicClassTable::hasPostBaseForm(charClass)  && !hasNukta;
++                hasPreBaseForm = IndicClassTable::hasPreBaseForm(charClass) && !hasNukta;
+ 
+                 if (IndicClassTable::isConsonant(charClass)) {
+                     if (postBaseLimit == 0 || seenVattu ||
+                         (baseConsonant > baseLimit && !classTable->isVirama(chars[baseConsonant - 1])) ||
+-                        !(hasBelowBaseForm || hasPostBaseForm)) {
++                        !(hasBelowBaseForm || hasPostBaseForm || hasPreBaseForm)) {
+                         break;
+                     }
+ 
++                    // Note any pre-base consonants
++                    if ( baseConsonant == lastConsonant && lastConsonant > 0 && 
++                         hasPreBaseForm && classTable->isVirama(chars[baseConsonant - 1])) {
++                        output.notePreBaseConsonant(lastConsonant,chars[lastConsonant],chars[lastConsonant-1],tagArray2);
++                        seenPreBaseForm = TRUE;
++   
++                    }
+                     // consonants with nuktas are never vattus
+                     seenVattu = IndicClassTable::isVattu(charClass) && !hasNukta;
+@@ -786,10 +828,12 @@
+ 
+             // write any pre-base consonants
++            output.writePreBaseConsonant();
++
+             le_bool supressVattu = TRUE;
+ 
+             for (i = baseLimit; i < baseConsonant; i += 1) {
+                 LEUnicode ch = chars[i];
+-                // Don't put 'blwf' on first consonant.
+-                FeatureMask features = (i == baseLimit? tagArray2 : tagArray1);
++                // Don't put 'pstf' or 'blwf' on anything before the base consonant.
++                FeatureMask features = tagArray1 & ~( pstfFeatureMask | blwfFeatureMask );
+ 
+                 charClass = classTable->getCharClass(ch);
+@@ -842,5 +886,5 @@
+ 
+             // write below-base consonants
+-            if (baseConsonant != lastConsonant) {
++            if (baseConsonant != lastConsonant && !seenPreBaseForm) {
+                 for (i = bcSpan + 1; i < postBase; i += 1) {
+                     output.writeChar(chars[i], i, tagArray1);
+@@ -872,5 +916,5 @@
+             // write post-base consonants
+             // FIXME: does this put the right tags on post-base consonants?
+-            if (baseConsonant != lastConsonant) {
++            if (baseConsonant != lastConsonant && !seenPreBaseForm) {
+                 if (postBase <= lastConsonant) {
+                     for (i = postBase; i <= lastConsonant; i += 1) {



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