===================================================================
RCS file: /cvs/pta/pta_import.1,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -p -r1.6 -r1.7
--- pta/pta_import.1	2020/11/23 18:46:05	1.6
+++ pta/pta_import.1	2020/11/25 15:04:25	1.7
@@ -1,4 +1,4 @@
-.\" $Id: pta_import.1,v 1.6 2020/11/23 18:46:05 freda Exp $
+.\" $Id: pta_import.1,v 1.7 2020/11/25 15:04:25 freda Exp $
 .\"
 .\" Copyright (c) 2020 Freda Bundchen
 .\"
@@ -14,7 +14,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: November 23 2020 $
+.Dd $Mdocdate: November 25 2020 $
 .Dt PTA_IMPORT 1
 .Os
 .Sh NAME
@@ -61,8 +61,8 @@ configuration file in the current directory.
 .Ss Configuration file format
 Each file of the form
 .Pa import_ Ns Ar accountname Ns Pa .txt
-in the current directory is a configuration file used to
-import transactions from a financial institution.
+in the current directory is a configuration file that contains rules
+used to import transactions from a financial institution.
 Like all
 .Xr pta 1
 input files, it is an
@@ -72,32 +72,40 @@ as the field delimiter and using the hash character
 .Pq Sq #
 in the first column to mark lines as ignored.
 .Pp
-Each file contains one line beginning with
-.Qq ACCOUNT
-and is followed by whitespace and then an account number.
-.Pp
-Each file contains lines of the form
-.Pp
-.Ar selector account_number booking_identifier
-.Pp
-The
+The rules are as follows:
+.Bl -tag -width Ds
+.It Ic ACCOUNT Ar csv_account_number
+The number in
+.Xr pta-accounts 5
+of the bank or credit card account this CSV file contains entries for.
+This rule is required in every configuration file.
+.It Ic DELIM Ar delimiter
+The character used to separate fields.
+This rule is required in every configuration file.
+Most financial institutions use commas but some use semicolons.
+.It Ic HEADER Ar header
+Skip the first line of the CSV file if it matches the
+.Ar header
+line verbatim, or cause parsing to fail if it does not.
+.It Ic IGNORE Ar regular_expression
+Skip all lines in the CSV file matching the
+.Ar regular_expression .
+.It Ic QUOTE Ar quote
+Expects that every field starts and ends with the
+.Ar quote
+character.
+.It Ar selector account_number booking_identifier
+Lines in the CSV file that match the
 .Ar selector
-is a string consisting of regular expressions
-separated by commas.
-Its fields correspond to header fields in the financial
-institution's CSV file and is used to classify transactions
-that match the search pattern.
-The first selector that
-matches a transaction wins.
-.Pp
-The
+are associated with the contra account
 .Ar account_number
-corresponds to an account number in
-.Pa ./accounts.txt .
-The
-.Ar booking_identifier
-is defined by the user to classify
-the transaction.
+and are assigned the
+.Ar booking_identifier .
+The selector is a string consisting of regular expressions separated
+by delimiters defined in the
+.Ic DELIM
+rule.
+.El
 .Sh FILES
 .Bl -tag -width Ds -compact
 .It Pa ./import_bbva_usa.txt