[wiki] [sites] smu: read from stdin || Hiltjo Posthuma

[git]

commit dc842742887341cabbdf64f1c0a0013f7790b96a
Author: Hiltjo Posthuma <hil...@codemadness.org>
Date:   Sat Sep 8 19:19:58 2018 +0200

    smu: read from stdin

diff --git a/build-page b/build-page
index 92b3d1d9..d36bb5be 100755
--- a/build-page
+++ b/build-page
@@ -107,7 +107,7 @@ printf '</ul>
</div>

'
 printf '<div id="main">
'
 if test -f "$page"
 then
-       smu "$page"
+       smu < "$page"
 else
        printf '<ul>
'
        ls "${page%/index.md}" | while IFS= read -r dir