fix(tasks): revamp tag delimiter in task creation syntax

Prevent accidental interpretation of title parts as tags

README.md

@@ -87,7 +87,7 @@ To stop time-tracking completely, simply move to the root of all tasks.
 
 ### Command Syntax
 
-`TASK` creation syntax: `NAME: TAG1 TAG2 ...`
+`TASK` creation syntax: `NAME #TAG *PRIO # TAG1 TAG2 ...`
 
 - `TASK` - create task
   + prefix with space if you want a task to start with a command character

src/kinds.rs

@@ -91,11 +91,12 @@ pub(crate) fn extract_hashtags(input: &str) -> impl Iterator<Item=Tag> + '_ {
         .map(to_hashtag)
 }
 
-/// Extracts everything after a ": " as a list of tags.
+/// Extracts everything after a " # " as a list of tags 
+/// as well as various embedded tags.
 ///
 /// Expects sanitized input.
 pub(crate) fn extract_tags(input: &str) -> (&str, Vec<Tag>) {
-    match input.split_once(": ") {
+    match input.split_once(" # ") {
         None => (input, extract_hashtags(input).collect_vec()),
         Some((name, tags)) => {
             let tags = extract_hashtags(name)
@@ -139,6 +140,6 @@ pub(crate) fn is_hashtag(tag: &Tag) -> bool {
 
 #[test]
 fn test_extract_tags() {
-    assert_eq!(extract_tags("Hello from #mars with #greetings: yeah done-it"),
+    assert_eq!(extract_tags("Hello from #mars with #greetings # yeah done-it"),
                ("Hello from #mars with #greetings", ["mars", "greetings", "yeah", "done-it"].into_iter().map(to_hashtag).collect()))
 }

src/tasks.rs

@@ -1582,7 +1582,7 @@ mod tasks_test {
     fn test_bookmarks() {
         let mut tasks = stub_tasks();
         let zero = EventId::all_zeros();
-        let test = tasks.make_task("test: tag");
+        let test = tasks.make_task("test # tag");
         let parent = tasks.make_task("parent");
         assert_eq!(tasks.visible_tasks().len(), 2);
         tasks.move_to(Some(parent));
@@ -1622,7 +1622,7 @@ mod tasks_test {
     #[test]
     fn test_procedures() {
         let mut tasks = stub_tasks();
-        tasks.make_task_and_enter("proc: tags", State::Procedure);
+        tasks.make_task_and_enter("proc # tags", State::Procedure);
         assert_eq!(tasks.get_own_events_history().count(), 1);
         let side = tasks.submit(
             build_task("side", vec![tasks.make_event_tag(&tasks.get_current_task().unwrap().event, MARKER_DEPENDS)], None));
@@ -1738,7 +1738,7 @@ mod tasks_test {
         assert_position!(tasks, t1);
         tasks.search_depth = 2;
         assert_eq!(tasks.visible_tasks().len(), 0);
-        let t11 = tasks.make_task("t11: tag");
+        let t11 = tasks.make_task("t11 # tag");
         assert_eq!(tasks.visible_tasks().len(), 1);
         assert_eq!(tasks.get_task_path(Some(t11)), "t1>t11");
         assert_eq!(tasks.relative_path(t11), "t11");