Running examples in ‘RCurl-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: curlSetOpt
> ### Title: Set values for the CURL options
> ### Aliases: curlSetOpt
> ### Keywords: IO
> 
> ### ** Examples
> 
> if(url.exists("https://www.omegahat.net")) {
+ 
+   curl = getCurlHandle()
+      # Note the header that extends across two lines with the second line
+      # prefixed with white space.
+    curlSetOpt( .opts = list(httpheader = c(Date = "Wed, 1/2/2000 10:01:01",
+                             foo="abc\n    extra line"), verbose = TRUE),
+                curl = curl)
+    ans = getURL("https://www.omegahat.net", curl = curl)
+ }
*   Trying [2a06:98c1:3121::a]:443...
* Immediate connect fail for 2a06:98c1:3121::a: Network is unreachable
* connect to 2a06:98c1:3121::a port 443 from :: port 0 failed: Success
*   Trying [2a06:98c1:3120::a]:443...
* Immediate connect fail for 2a06:98c1:3120::a: Network is unreachable
* connect to 2a06:98c1:3120::a port 443 from :: port 0 failed: Success
* Host www.omegahat.net:443 was resolved.
* IPv6: 2a06:98c1:3121::a, 2a06:98c1:3120::a
* IPv4: 188.114.96.10, 188.114.97.10
*   Trying 188.114.96.10:443...
* ALPN: curl offers h2,http/1.1
* SSL Trust Anchors:
*   CAfile: /etc/ssl/certs/ca-certificates.crt
*   CApath: /etc/ssl/certs
* SSL connection using TLSv1.3 / TLS_AES_256_GCM_SHA384 / X25519MLKEM768 / id-ecPublicKey
* ALPN: server accepted h2
* Server certificate:
*   subject: CN=omegahat.net
*   start date: May 12 18:07:29 2026 GMT
*   expire date: Aug 10 18:07:28 2026 GMT
*   issuer: C=US; O=Let's Encrypt; CN=E7
*   Certificate level 0: Public key type EC/prime256v1 (256/128 Bits/secBits), signed using ecdsa-with-SHA384
*   Certificate level 1: Public key type EC/secp384r1 (384/192 Bits/secBits), signed using sha256WithRSAEncryption
*   Certificate level 2: Public key type RSA (4096/152 Bits/secBits), signed using sha256WithRSAEncryption
*   subjectAltName: "www.omegahat.net" matches cert's "*.omegahat.net"
* OpenSSL verify result: 0
* SSL certificate verified via OpenSSL.
* Established connection to www.omegahat.net (188.114.96.10 port 443) from 137.208.57.30 port 60044 
* using HTTP/2
* Connection #0 to host www.omegahat.net:443 left intact
Error in (function (type, msg, asError = TRUE)  : 
Calls: getURL -> curlPerform -> <Anonymous> -> fun
Execution halted
Examples with CPU (user + system) or elapsed time > 5s
              user system elapsed
binaryBuffer 0.026  0.015   9.171