patch 8.0.0552: toupper and tolower don't work properly for Turkish
Problem: Toupper and tolower don't work properly for Turkish when 'casemap'
is empty. (Bjorn Linse)
Solution: Check the 'casemap' options when deciding how to upper/lower case.
diff --git a/src/charset.c b/src/charset.c
index 29c587b..cdb9e48 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -960,7 +960,7 @@
}
/*
- * return TRUE if 'c' is a printable character
+ * Return TRUE if 'c' is a printable character.
* Assume characters above 0x100 are printable (multi-byte), except for
* Unicode.
*/
@@ -1717,7 +1717,7 @@
{
if (c <= '@')
return c;
- if (c >= 0x80)
+ if (c >= 0x80 || !(cmp_flags & CMP_KEEPASCII))
{
if (enc_utf8)
return utf_toupper(c);
@@ -1741,7 +1741,7 @@
{
if (c <= '@')
return c;
- if (c >= 0x80)
+ if (c >= 0x80 || !(cmp_flags & CMP_KEEPASCII))
{
if (enc_utf8)
return utf_tolower(c);