[BUG] Putting "tags=;" into .notmuch-config will create empty tags

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+From: Rob Browning <rlb@defaultvalue.org>\r
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+Subject: [BUG] Putting "tags=;" into .notmuch-config will create empty tags\r
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+In the [new] section, "tags=;" will cause notmuch to create empty tags\r
+that are fairly hard to remove from the command line.\r
+\r
+After some help on #bup, here's what I came up with to remove them,\r
+though it assumes that the empty tag "+ " will always be first in dump's\r
+output:\r
+\r
+  notmuch dump --format=batch-tag 'tag:""' | perl -pe 's/^\+ //' \\r
+    | notmuch restore --format=batch-tag\r
+\r
+And note that you have to use restore, "notmuch tag --batch" doesn't\r
+appear to accept "- " as a tag, even though dump will produce "+ ".\r
+\r
+Hope this helps\r
+-- \r
+Rob Browning\r
+rlb @defaultvalue.org and @debian.org\r
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