1diff --git a/source/data/mappings/gb18030.ucm b/source/data/mappings/gb18030.ucm 2index f8f0cb0..6f40ba4 100644 3--- a/source/data/mappings/gb18030.ucm 4+++ b/source/data/mappings/gb18030.ucm 5@@ -3132,6 +3132,7 @@ CHARMAP 6 <U2FFE> \x81\x39\xA3\x34 |0 7 <U2FFF> \x81\x39\xA3\x35 |0 8 <U3000> \xA1\xA1 |0 9+<U3000> \xA3\xA0 |3 10 <U3001> \xA1\xA2 |0 11 <U3002> \xA1\xA3 |0 12 <U3003> \xA1\xA8 |0 13@@ -29584,7 +29585,6 @@ CHARMAP 14 <UE5E2> \xA3\x9D |0 15 <UE5E3> \xA3\x9E |0 16 <UE5E4> \xA3\x9F |0 17-<UE5E5> \xA3\xA0 |0 18 <UE5E6> \xA4\x40 |0 19 <UE5E7> \xA4\x41 |0 20 <UE5E8> \xA4\x42 |0 21diff --git a/source/data/mappings/windows-936-2000.ucm b/source/data/mappings/windows-936-2000.ucm 22index 6cfafab..66c9a31 100644 23--- a/source/data/mappings/windows-936-2000.ucm 24+++ b/source/data/mappings/windows-936-2000.ucm 25@@ -37,7 +37,8 @@ 26 27 # build an extension-only (delta) .cnv file 28 # requires the base .cnv file at runtime 29-<icu:base> "ibm-1386_P100-2001" 30+# Chromium: we don't want ibm-1386 31+#<icu:base> "ibm-1386_P100-2001" 32 33 # The following was the generated state table. 34 # This does not account for unassigned characters 35@@ -259,6 +260,7 @@ CHARMAP 36 <U01DA> \xA8\xB7 |0 37 <U01DB> \xA8\xB8 |1 38 <U01DC> \xA8\xB8 |0 39+<U01F9> \xA8\xBF |0 40 <U0251> \xA8\xBB |0 41 <U0261> \xA8\xC0 |0 42 <U02C7> \xA1\xA6 |0 43@@ -380,6 +382,9 @@ CHARMAP 44 <U044E> \xA7\xF0 |0 45 <U044F> \xA7\xF1 |0 46 <U0451> \xA7\xD7 |0 47+# U1E3F will be round-tripped and UE7C7 will be dropped 48+# once https://www.w3.org/Bugs/Public/show_bug.cgi?id=28740#c3 is resolved. 49+<U1E3F> \xA8\xBC |1 50 <U2010> \xA9\x5C |0 51 <U2013> \xA8\x43 |0 52 <U2014> \xA1\xAA |0 53@@ -23435,7 +23440,7 @@ CHARMAP 54 <UE5E2> \xA3\x9D |0 55 <UE5E3> \xA3\x9E |0 56 <UE5E4> \xA3\x9F |0 57-<UE5E5> \xA3\xA0 |0 58+<U3000> \xA3\xA0 |3 59 <UE5E6> \xA4\x40 |0 60 <UE5E7> \xA4\x41 |0 61 <UE5E8> \xA4\x42 |0 62@@ -23918,7 +23923,6 @@ CHARMAP 63 <UE7C5> \xA8\x9F |0 64 <UE7C6> \xA8\xA0 |0 65 <UE7C7> \xA8\xBC |0 66-<UE7C8> \xA8\xBF |0 67 <UE7C9> \xA8\xC1 |0 68 <UE7CA> \xA8\xC2 |0 69 <UE7CB> \xA8\xC3 |0 70