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docs: update tags docs

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Simon Michael 2013-04-09 16:10:31 -07:00
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MANUAL.md
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@ -347,24 +347,23 @@ explained in the next section.
#### Tags
You can attach named tags, optionally with values, to transactions and
postings, and then filter reports by tag (this is the same as Ledger's
[metadata](http://ledger-cli.org/3.0/doc/ledger3.html#Metadata) feature,
except our tag values are just strings.)
You can include *tags* (labels), optionally with values,
in transaction and posting comments, and then [query by tag](#queries).
This is like Ledger's [metadata](http://ledger-cli.org/3.0/doc/ledger3.html#Metadata)
feature, except hledger's tag values are simple strings.
Tags names are unspaced words followed by a colon, anywhere within a
transaction or posting comment. Tag values are the (whitespace-trimmed)
text after a tag name, up to the next newline or comma (allowing multiple
tags on one line). For example:
A tag is any unspaced word immediately followed by a full colon, eg: `sometag:` .
A tag's *value* is the text following the colon, if any, until the next newline or comma,
with leading and trailing whitespace removed. Comma may be used to write multiple
tags on one line.
1/1 a transaction ; TAG1: , TAG2: tag2's value
For example, here is a transaction with three tags, the posting has
one, and all tags have values except TAG1:
1/1 a transaction ; TAG1:, TAG2: tag2's value
; TAG3: a third transaction tag
a $1 ; TAG4: a posting tag
Querying by tag is work in progress; for now you can test for existence of
a tag with `tag:NAME`.
<!-- tag:NAME=EXACTVALUE` -->
#### Including other files
You can pull in the content of additional journal files, by writing lines like this: