Spell out the multi-TLS situation.
Reported-by: Dan Fandrich
Fixes #8926
Closes #8932
string holding the default built-in path used for the \fICURLOPT_CAINFO(3)\fP
option unless set by the user.
+Note that in a situation where libcurl has been built to support multiple TLS
+libraries, this option might return a string even if the specific TLS library
+currently set to be used does not support \fICURLOPT_CAINFO(3)\fP.
+
This is a path identifying a single file containing CA certificates.
The \fBpath\fP pointer will be NULL if there is no default path.
string holding the default built-in path used for the \fICURLOPT_CAPATH(3)\fP
option unless set by the user.
+Note that in a situation where libcurl has been built to support multiple TLS
+libraries, this option might return a string even if the specific TLS library
+currently set to be used does not support \fICURLOPT_CAPATH(3)\fP.
+
This is a path identifying a directory.
The \fBpath\fP pointer will be NULL if there is no default path.