Show browse support link by default when there are more than 40 notebooks.

Author: xwmx

README.md

@@ -9284,9 +9284,9 @@ Supported Values: 'accept', 'bash', 'nc', 'ncat', netcat', 'socat'
 ##### `$NB_BROWSE_SUPPORT_LINKS`
 
 ```text
-Default: '0'
+Default: '1'
 
-Set to '1' to show the 'Donate' and 'Sponsor' links in `nb browse`.
+Set to '0' to show the 'Donate' and 'Sponsor' links in `nb browse`.
 
 Supported Values: '0' '1'
 ```

docs/index.markdown

@@ -9290,9 +9290,9 @@ Supported Values: 'accept', 'bash', 'nc', 'ncat', netcat', 'socat'
 ##### `$NB_BROWSE_SUPPORT_LINKS`
 
 ```text
-Default: '0'
+Default: '1'
 
-Set to '1' to show the 'Donate' and 'Sponsor' links in `nb browse`.
+Set to '0' to show the 'Donate' and 'Sponsor' links in `nb browse`.
 
 Supported Values: '0' '1'
 ```

nb

@@ -21292,8 +21292,8 @@ HEREDOC
 
       cat
 
-      if ((${NB_BROWSE_SUPPORT_LINKS:-0})) &&
-         ((${#_notebook_names[@]} - 20))
+      if ((${NB_BROWSE_SUPPORT_LINKS:-1})) &&
+         ((${#_notebook_names[@]} - 40))
       then
         printf "<br /><div align=\"center\" class=\"muted\">"
         printf "<a href=\"https://github.com/sponsors/xwmx\">Sponsor</a>\\n"