Warn about bad shortcode parameters (and don't crash)

closes #193

diff --git a/hugolib/shortcode.go b/hugolib/shortcode.go
index cecb1e037f62b9c784a135375d512cab5ec54fd0..b71fdb4270d6b1970cacebc0782b6fbcc0688892 100644 (file)
--- a/hugolib/shortcode.go
+++ b/hugolib/shortcode.go
@@ -143,6 +143,11 @@ func Tokenize(in string) interface{} {
        for i, v := range first {
                index := strings.Index(v, "=")
 
+               if index < 0 {
+                       fmt.Printf("Shortcode parameters must be key=value pairs (no spaces) (saw '%s')\n", v)
+                       continue
+               }
+
                if !inQuote {
                        if index > 1 {
                                keys = append(keys, v[:index])