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1.1       root        1: .so tmac.ilib
                      2: .TH I-XREF 1 "The University of Arizona \- 6/28/83
                      3: .SH NAME
                      4: i-xref \- Icon program cross reference
                      5: .SH SYNOPSIS
                      6: \f3i-xref\fP [file] [options]
                      7: .SH DESCRIPTION
                      8: \fII-xref\fP provides a cross-reference facility for Icon programs. It lists
                      9: the occurrences of each variable by line number. Variables are listed
                     10: by procedure or separately as globals.
                     11: The options specify the formatting of the
                     12: output and whether or not to cross-reference quoted strings and
                     13: non-alphanumerics. Variables that are followed by a left parenthesis
                     14: are listed with an asterisk following the name.
                     15: If a file is not specified, then standard input is cross-referenced.
                     16: .PP
                     17: The following options change the format defaults. They may appear in any order:
                     18: .IP "\f3\-c\fP \fIn\fP" 0.75i
                     19: The column width per line number. The default is 4 columns wide.
                     20: .IP "\f3\-l\fP \fIn\fP"
                     21: The starting column (i.e. left margin) of the line numbers.
                     22: The default is column 40.
                     23: .IP "\f3\-w\fP \fIn\fP"
                     24: The column width of the whole output line. The default is 80 columns wide.
                     25: .PP
                     26: Normally only alphanumerics are cross-referenced. These options expand
                     27: what is considered:
                     28: .IP \f3\-q\fP 0.75i
                     29: Include quoted strings.
                     30: .IP \f3\-x\fP
                     31: Include all non-alphanumerics.
                     32: 
                     33: .SH LIMITATION
                     34: This program assumes the subject file is a valid Icon program. For example,
                     35: quotes are expected to be matched.
                     36: .SH AUTHOR
                     37: Allan J. Anderson

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