Tcl: Use fence for code block
@@ -18,6 +18,7 @@ The format does not have significant spaces. The advantage of TCL style
lists is that also arbitrary metadata can be embedded in a natural and
distinguish-able style. It looks like:
+```
{
{
key=val
@@ -29,6 +30,7 @@ distinguish-able style. It looks like:
}
}
}
+```
## Basic Usage
