[gen.sh] signal if a page is an orphan during generation

gen.sh

@@ -16,7 +16,19 @@ $MAKROS resources/style-formatted.css | tr -d " \t\n\r" > resources/style.css
 echo "Generating pages"
 for file in site-src/*; do
     bn=$(basename $file .wtn)
-    echo "  $file -> site/$bn.html"
+
+    incoming=$(grep -i "{$bn}\|{$bn " site-src/* \
+        | sed "s/\..*$//g" \
+        | sed "s/^.*\///g" \
+        | sed "s/^/{/g" \
+        | sed "s/$/}/g" \
+        | tr '\n' ' ' \
+        | sed "s/$/\n\n/g")
+
+    if [ -z "$incoming" ]; then
+        printf "(o)"
+    fi
+    echo "\t$file -> site/$bn.html"
 
     tmp=$(mktemp)
     # if the file has macros, expand them
@@ -35,13 +47,6 @@ for file in site-src/*; do
     fi
 
     # backlinks
-    incoming=$(grep -i "{$bn}\|{$bn " site-src/* \
-        | sed "s/\..*$//g" \
-        | sed "s/^.*\///g" \
-        | sed "s/^/{/g" \
-        | sed "s/$/}/g" \
-        | tr '\n' ' ' \
-        | sed "s/$/\n\n/g")
     if [ ! -z "$incoming" ]; then
         printf "\n_Incoming:_ $incoming\n" >> $tmp
     fi