Remove colon from faulty span

Author: topecongiro

src/lists.rs

@@ -641,7 +641,7 @@ where
             self.prev_span_end = (self.get_hi)(&item) + BytePos(comment_end as u32);
             let post_snippet = post_snippet[..comment_end].trim();
 
-            let post_snippet_trimmed = if post_snippet.starts_with(',') {
+            let post_snippet_trimmed = if post_snippet.starts_with(|c| c == ',' || c == ':') {
                 post_snippet[1..].trim_matches(white_space)
             } else if post_snippet.ends_with(',') {
                 post_snippet[..(post_snippet.len() - 1)].trim_matches(white_space)

tests/source/structs.rs

@@ -15,6 +15,11 @@ pub struct Foo {
     pub i: TypeForPublicField
 }
 
+// #1095
+struct S<T: /* comment */> {
+    t: T,
+}
+
 // #1029
 pub struct Foo {
     #[doc(hidden)]

tests/target/structs.rs

@@ -14,6 +14,11 @@ pub struct Foo {
     pub i: TypeForPublicField,
 }
 
+// #1095
+struct S<T /* comment */> {
+    t: T,
+}
+
 // #1029
 pub struct Foo {
     #[doc(hidden)]