updated for version 7.4.057
Problem: byteidx() does not work for composing characters.
Solution: Add byteidxcomp().
diff --git a/src/testdir/test69.in b/src/testdir/test69.in
index 9558cb8..f18ee37 100644
--- a/src/testdir/test69.in
+++ b/src/testdir/test69.in
@@ -1,6 +1,7 @@
Test for multi-byte text formatting.
Also test, that 'mps' with multibyte chars works.
And test "ra" on multi-byte characters.
+Also test byteidx() and byteidxcomp()
STARTTEST
:so mbyte.vim
@@ -154,6 +155,21 @@
ａａb
STARTTEST
+:let a = '.é.' " one char of two bytes
+:let b = '.é.' " normal e with composing char
+/^byteidx
+:put =string([byteidx(a, 0), byteidx(a, 1), byteidx(a, 2), byteidx(a, 3), byteidx(a, 4)])
+:put =string([byteidx(b, 0), byteidx(b, 1), byteidx(b, 2), byteidx(b, 3), byteidx(b, 4)])
+/^byteidxcomp
+:put =string([byteidxcomp(a, 0), byteidxcomp(a, 1), byteidxcomp(a, 2), byteidxcomp(a, 3), byteidxcomp(a, 4)])
+:let b = '.é.'
+:put =string([byteidxcomp(b, 0), byteidxcomp(b, 1), byteidxcomp(b, 2), byteidxcomp(b, 3), byteidxcomp(b, 4), byteidxcomp(b, 5)])
+ENDTEST
+
+byteidx
+byteidxcomp
+
+STARTTEST
:g/^STARTTEST/.,/^ENDTEST/d
:1;/^Results/,$wq! test.out
ENDTEST