Extended length summary support

[rjhorniii]

The RFC does not limit the length of summary fields, although it permits implementations to truncate at 255 characters.

The following patch allows the summary to span multiple lines in the Ical file, at least to the limit of my testing.

Subject: [PATCH] allow extended length SUMMARY

---

 parse.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/parse.go b/parse.go
index 48cbfc3..0dd2634 100644
--- a/parse.go
+++ b/parse.go
@@ -431,9 +431,9 @@ func (p *Parser) parseEvents(cal *Calendar, eventsData []string) {
 
 // parses the event summary
 func (p *Parser) parseEventSummary(eventData string) string {
-	re, _ := regexp.Compile(`SUMMARY:.*?\n`)
+	re, _ := regexp.Compile(`SUMMARY:.*?\n(?:\s+.*?\n)*`)
 	result := re.FindString(eventData)
-	return trimField(result, "SUMMARY:")
+	return trimField(strings.Replace(result, "\r\n ", "", -1), "SUMMARY:")
 }
 
 // parses the event status
-- 
2.13.6