tweak: Give a preview of posts in main page

rather than pasting them all together.

apps/blagh/app.rc

@@ -83,7 +83,8 @@ fn blagh_body {
         l=`{echo -n $p|sed 's!'$sitedir^'/?(.*)([0-9][0-9][0-9][0-9]/[0-9][0-9]/[0-9][0-9])(/[^/]+/)!\2 /\1\2\3!'}
         sed '1s!.*![&]('^$l(2)^') ('^$l(1)^')!' < $p/index.md 
         echo # Needed extra \n so markdown doesn't mess up the formatting, probably can be done in sed.
-    } | $formatter
+    } head -n 9 | $formatter | sed 's/h[2-9]/i/g'| sed 's/h1/h3/g'
+    # ^ take the first 9 lines of markdown, convert them to html. Then make h1->h3 and h_i -> cursive. This makes it more like a preview rather than all the posts pasted together.
     # XXX BUG! Markdown [references] break because multiple markdown documents are merged. Should format each blog post independently.
     # TODO: use fltr_cache directly, that can fix the previous bug plus provide a perf boost by caching title generation.
 }