Merge pull request #3101 from a3f/master

[tcl/en] Workaround for broken syntax highlighting

tcl.html.markdown

@@ -328,6 +328,7 @@ proc greet {greeting name} {
 # the third argument to "proc", is a string.  The previous command
 # can be rewritten using no braces:
 proc greet greeting\ name return\ \"\$greeting,\ \$name!\"
+# "