Index: demos/gets_blocking_no_variable.tcl
==================================================================
--- demos/gets_blocking_no_variable.tcl
+++ demos/gets_blocking_no_variable.tcl
@@ -36,11 +36,11 @@
 
 
 
 proc gets_blocking_no_variable {host port path protocol} {
     set result ""
-    
+
     # Open socket
     set ch [::tls::socket -servername $host -request 1 -require 1 -alpn [list [string tolower $protocol]] $host $port]
     chan configure $ch -blocking 1 -buffering line -buffersize 16384 -encoding utf-8 -translation {auto crlf}
 
     # Initiate handshake

Index: demos/gets_blocking_with_variable.tcl
==================================================================
--- demos/gets_blocking_with_variable.tcl
+++ demos/gets_blocking_with_variable.tcl
@@ -36,11 +36,11 @@
 
 
 
 proc gets_blocking_with_variable {host port path protocol} {
     set result ""
-    
+
     # Open socket
     set ch [::tls::socket -servername $host -request 1 -require 1 -alpn [list [string tolower $protocol]] $host $port]
     chan configure $ch -blocking 1 -buffering line -buffersize 16384 -encoding utf-8 -translation {auto crlf}
 
     # Initiate handshake

Index: demos/http_get_file.tcl
==================================================================
--- demos/http_get_file.tcl
+++ demos/http_get_file.tcl
@@ -12,11 +12,11 @@
 set protocol "http/1.1"
 set filename [file tail $url]
 
 # Register https protocol handler with http package
 http::register https 443 [list ::tls::socket -autoservername 1 -require 1 -alpn [list [string tolower $protocol]]]
-	    
+
 # Open output file
 set ch [open $filename wb]
 
 # Get webpage
 set token [::http::geturl $url -blocksize 16384 -channel $ch]

Index: demos/read_blocking_webpage.tcl
==================================================================
--- demos/read_blocking_webpage.tcl
+++ demos/read_blocking_webpage.tcl
@@ -36,11 +36,11 @@
 
 
 
 proc read_blocking {host port path protocol} {
     set result ""
-    
+
     # Open socket
     set ch [::tls::socket -servername $host -request 1 -require 1 -alpn [list [string tolower $protocol]] $host $port]
     chan configure $ch -blocking 1 -buffering line -buffersize 16384 -encoding utf-8 -translation {auto crlf}
 
     # Initiate handshake

Index: demos/read_nonblocking_webpage.tcl
==================================================================
--- demos/read_nonblocking_webpage.tcl
+++ demos/read_nonblocking_webpage.tcl
@@ -44,11 +44,11 @@
     }
 }
 
 proc read_nonblocking {host port path protocol} {
     set result ""
-    
+
     # Open socket
     set ch [::tls::socket -servername $host -request 1 -require 1 -alpn [list [string tolower $protocol]] $host $port]
     chan configure $ch -blocking 1 -buffering line -buffersize 16384 -encoding utf-8 -translation {auto crlf}
     fileevent $ch readable [list handler $ch]