* `sync_sh <command>`
- these are synchronous variants of `spawn` and `sh`, which means uzbl will wait for them to return
- you should only need to use these manually if you want to use a chain command in a handler that wants output from the command it runs
* `sync_sh <command>`
- these are synchronous variants of `spawn` and `sh`, which means uzbl will wait for them to return
- you should only need to use these manually if you want to use a chain command in a handler that wants output from the command it runs