void-docs: detect sk as usable fuzzy finder.

skim is simpler than fzf, but for this case it's nearly as functional.

Also:
- update man page.
- add quotes around some variables

Author: ericonr

res/void-docs.1.in

@@ -17,10 +17,12 @@ without a search term, it will show the documentation's home
 page. Multiple search terms can be used to filter results. If the user
 has the
 .Xr fzf 1
-utility installed in their system, it will be used to browse the
+or
+.Xr sk 1
+utilities installed in their system, it will be used to browse the
 results. Otherwise,
 .Nm
-will display the first search result. If the
+will immediately display the first search result. If the
 .Fl s
 flag is used,
 .Nm

res/void-docs.in

@@ -149,14 +149,21 @@ search_page() {
         return 0
     fi
 
+    _pager=
     if command -v fzf >/dev/null; then
-        file="$(echo "$file" | fzf -1)"
+        _pager=fzf
+    elif command -v sk >/dev/null; then
+        _pager=sk
+    fi
+
+    if [ "$_pager" ]; then
+        file="$(echo "$file" | $_pager -1)"
         [ -z "$file" ] && exit 1
     else
         file="$(echo "$file" | head -1)"
     fi
     file="${file%.md}"
-    echo $file
+    echo "$file"
 }
 
 page=about/index