Merge pull request tucnak#12 from Ronmi/markdown

Support new API: markdown message.

api.go

@@ -95,6 +95,10 @@ func embedSendOptions(params *url.Values, options *SendOptions) {
 		params.Set("disable_web_page_preview", "true")
 	}
 
+	if options.ParseMode != ModeDefault {
+		params.Set("parse_mode", string(options.ParseMode))
+	}
+
 	// process reply_markup
 	if options.ReplyMarkup.ForceReply || options.ReplyMarkup.CustomKeyboard != nil || options.ReplyMarkup.HideCustomKeyboard {
 		replyMarkup, _ := json.Marshal(options.ReplyMarkup)

options.go

@@ -1,5 +1,14 @@
 package telebot
 
+// ParseMode determines the way client applications treat the text of the message
+type ParseMode string
+
+// Supported ParseMode
+const (
+	ModeDefault ParseMode = ""
+	ModeMarkdown ParseMode = "Markdown"
+)
+
 // SendOptions represents a set of custom options that could
 // be appled to messages sent.
 type SendOptions struct {
@@ -11,6 +20,9 @@ type SendOptions struct {
 
 	// For text messages, disables previews for links in this message.
 	DisableWebPagePreview bool
+
+	// ParseMode controls how client apps render your message.
+	ParseMode ParseMode
 }
 
 type ReplyMarkup struct {