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| -rw-r--r-- | docs/URL-SYNTAX.md | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/docs/URL-SYNTAX.md b/docs/URL-SYNTAX.md index 348fbd928..ef4613383 100644 --- a/docs/URL-SYNTAX.md +++ b/docs/URL-SYNTAX.md @@ -173,10 +173,14 @@ brackets). For example: If curl was built with International Domain Name (IDN) support, it can also handle host names using non-ASCII characters. -curl supports IDN host names using the IDNA 2008 standard. This differs from -browsers that follow the WHATWG URL spec, which dictates IDNA 2003 to be used. -The two standards have a huge overlap but differ slightly, perhaps most -famously in how they deal with the German "double s" (`ß`). +When built with libidn2, curl uses the IDNA 2008 standard. This is equivalent +to the WHATWG URL spec, but differs from certain browsers that use IDNA 2003 +Transitional Processing. The two standards have a huge overlap but differ +slightly, perhaps most famously in how they deal with the German "double s" +(`ß`). + +When winidn is used, curl uses IDNA 2003 Transitional Processing, like the rest +of Windows. ## Port number |