Comment reasoning for manual methods

glib/Gir.toml

@@ -721,58 +721,77 @@ name = "GLib.MatchInfo"
 status = "generate"
     [[object.function]]
     name = "expand_references"
+    # impl IntoGStr for parameters instead of &str
     manual = true
     [[object.function]]
     name = "fetch_named"
+    # impl IntoGStr for parameters instead of &str
     manual = true
     [[object.function]]
     name = "fetch_named_pos"
+    # impl IntoGStr for parameters instead of &str
     manual = true
 
 [[object]]
 name = "GLib.Regex"
 status = "generate"
     [[object.function]]
     name = "check_replacement"
+    # impl IntoGStr for parameters instead of &str
     manual = true
     [[object.function]]
     name = "escape_nul"
+    # impl IntoGStr for parameters instead of &str
     manual = true
     [[object.function]]
     name = "escape_string"
+    # impl IntoGStr for parameters instead of &str
     manual = true
     [[object.function]]
     name = "match"
+    # implement in terms of match_full
     manual = true
     [[object.function]]
     name = "match_all"
+    # implement in terms of match_all_full
     manual = true
     [[object.function]]
     name = "match_all_full"
+    # impl IntoGStr for parameters instead of &str
     manual = true
     [[object.function]]
     name = "match_simple"
+    # impl IntoGStr for parameters instead of &str
     manual = true
     [[object.function]]
     name = "match_full"
+    # impl IntoGStr for parameters instead of &str
     manual = true
     [[object.function]]
     name = "replace"
+    # impl IntoGStr for parameters instead of &str
     manual = true
     [[object.function]]
     name = "replace_literal"
+    # impl IntoGStr for parameters instead of &str
     manual = true
     [[object.function]]
     name = "split"
+    # implement in terms of split_full
     manual = true
     [[object.function]]
     name = "split_full"
+    # impl IntoGStr for parameters instead of &str
+    # return slice of str pointers
     manual = true
     [[object.function]]
     name = "split_simple"
+    # impl IntoGStr for parameters instead of &str
+    # return slice of str pointers
     manual = true
     [[object.function]]
     name = "get_string_number"
+    # impl IntoGStr for parameters instead of &str
     manual = true
 
 [[object]]