some joplin tag fixes

Author: djsudduth

README.md

@@ -124,6 +124,12 @@ If you want to skip or ignore notes that have already been exported then
 ```
 will skip exporting Keep notes to markdown that already exist in the destination directory. If 2 or more Keep notes have the same title and a markdown file already exists with that name, a new export will be created for any exports that do not exist. (Note that overwrite and skip cannot be used at the same time)
 
+#### Preserve Labels 
+Many markdown applications cannot work with special characters in labels/tags (such as brackets, parentheses, asterisks, etc). By default, KIM will strip out all special characters and replace them with dashes(-). If you need to preserve labels in their original form, use the -p option:
+```bash
+> python kim.py -p
+```
+
 #### Logseq Style 
 Some markdown systems prefer to have bullets prepended on each paragraph within a note. KIM will attempt to prepend a dash to any Keep note that has 2 linefeeds as well as the first line. You can enable this feature with
 ```bash
@@ -154,14 +160,6 @@ If you have a large number of notes it can be confusing which ones have already
 > python kim.py -m
 ```
 
-#### Authentication Token Storage
-When you run KIM for the first time and log in via your password, it will store your authenticated Google Keep token in your computer's safe storage (macOS - Keychain, Windows Credential Locker and Linux Secret Service or KWallet). You will not need to re-enter your password next time you run KIM.
-
-If you need to change or reset your access token or don't feel comfortable saving the token in safe storage, just run KIM with the -r flag (NOTE: this has changed from version 0.2.0):
-```bash
-> python kim.py -r
-```
-
 #### Batch Mode
 KIM can run through your own script by using the -b flag. For example, running:
 ```bash
@@ -218,9 +216,16 @@ You can override the settings `input_labels` in the command line with the (-lb)
 
 NOTE: the import switches -i and -lb are incompatible with all other switches for export. Be sure to test simple import examples before using this feature!!! 
 
+#### Authentication Token Storage
+When you run KIM for the first time and log in via your password, it will store your authenticated Google Keep token in your computer's safe storage (macOS - Keychain, Windows Credential Locker and Linux Secret Service or KWallet). You will not need to re-enter your password next time you run KIM.
+
+If you need to change or reset your access token or don't feel comfortable saving the token in safe storage, just run KIM with the -r flag (NOTE: this has changed from version 0.2.0):
+```bash
+> python kim.py -r
+```
 
 #### Combinations
-Example: to export all non-archived notes, using content for blank note titles, with overwriting, preserving Keep label format, Logseq style paragraphs, removing trailing hashtags if embedded in note, with create dates > Oct 3, 2023 in batch:
+Example: to export all non-archived notes, using content for blank note titles, with overwriting, preserving Keep label format, Logseq style paragraphs, removing trailing labels if hashtags are embedded in note, with create dates > Oct 3, 2023 in batch:
 ```bash
 > python kim.py -c -o -p -l -d -cd "> 2023-10-03" -b --all
 ```

kim.py

@@ -696,8 +696,13 @@ def keep_query_convert(keep, keepquery, opts):
 
             if opts.joplin_frontmatter:
                 joplin_labels = ""
-                for label in note_labels.replace("#", "").split():
-                    joplin_labels += "  - " + label + "\n"
+                jls = [item.strip() for item in note_labels.split("#")]
+                jls = list(filter(None, jls))
+                #for label in note_labels.replace("#", "").split():
+                for label in jls:
+                    jlabel = "  - " + label + "\n"
+                    if jlabel not in joplin_labels:
+                        joplin_labels += jlabel
                 note.header = ("---\ntitle: " + note.title + 
                             "\nupdated: " + note.timestamps["edited"] + 
                             "Z\ncreated: " + note.timestamps["created"] +