- * `config` controls various aspects of processing. There are three valid
- tags:
- - `errmsg` controls the message that is substituted into the document when
- an error occurs.
- - `timefmt` is a format string used by `strftime` that controls the format
- of dates.
- - `sizefmt` controls the units of file sizes. Valid values are `bytes` for
- sizes in bytes and `abbrev` for sizes in kibibytes or mebibytes.
- * `set` sets the value of a variable. Two tags are accepted: `var` and
- `value`.
- * `echo` prints the value of an include variable (see below) or environment
- variable. The only valid tag is `var`.
- * `printenv` prints a list of all environment variables and their values.
- * `include` processes and inserts the text of a document into the current
- document. There are two valid tags:
+ * `config` controls various aspects of processing. There are three
+ valid tags:
+ - `errmsg` controls the message that is substituted into the
+ document when an error occurs.
+ - `timefmt` is a format string used by `strftime` that controls the
+ format of dates.
+ - `sizefmt` controls the units of file sizes. Valid values are
+ `bytes` for sizes in bytes and `abbrev` for sizes in kibibytes or
+ mebibytes.
+ * `set` sets the value of a variable. Two tags are accepted: `var`
+ and `value`.
+ * `echo` prints the value of an include variable (see below) or
+ environment variable. The only valid tag is `var`.
+ * `printenv` prints a list of all environment variables and their
+ values.
+ * `include` processes and inserts the text of a document into the
+ current document. There are two valid tags: