add abbreviate-given-names

This changes the behavior of make-cite and authors, but it would
probably be better to change the behavior of generate-bibliography

original commit: 74831b41cc2589af94a4e7cc6ffefa1d8809226c

pkgs/scribble-pkgs/scribble-doc/scriblib/scribblings/autobib.scrbl

@@ -222,3 +222,11 @@ one created by @racket[other-authors] renders as ``et al.''}
 Takes an author-name element and create one that represents the editor
 of a collection. If a @racket[name] is a string, it is parsed in the
 same way as by @racket[make-bib].}
+
+@defparam[abbreviate-given-names abbreviate? any/c]{
+  Shortens given names in calls to @racket[author] and @racket[make-bib]
+  to just the first initial when the parameter value is not @racket[#f].
+  Otherwise, does not change the author names.
+  
+  Defaults to @racket[#f].
+}

pkgs/scribble-pkgs/scribble-lib/scriblib/autobib.rkt

@@ -22,7 +22,10 @@
          (contract-out
           [authors (->* (content?) #:rest (listof content?) element?)])
          other-authors
-         editor)
+         editor
+         abbreviate-given-names)
+
+(define abbreviate-given-names (make-parameter #f))
 
 (define autobib-style-extras
   (let ([abs (lambda (s)
@@ -443,13 +446,29 @@
         [else
          (define s (content->string a)) ;; plain text rendering
          (define m (regexp-match #px"^(.*) (([\\-]|\\p{L})+)$" s))
+         (define given-names (and m (cadr m)))
+         (define family-name (and m (caddr m)))
          (define names
-           (cond [m (string-append (caddr m) " " (cadr m))]
+           (cond [m (string-append family-name " " given-names)]
                  [else s]))
          (define cite
            (cond [m (caddr m)]
                  [else s]))
-         (make-author-element #f (list a) names cite)]))
+         (define element-content
+           (cond
+             [(and given-names (abbreviate-given-names))
+              (string-append (given-names->initials given-names) family-name)]
+             [else a]))
+         (make-author-element #f (list element-content) names cite)]))
+
+(define (given-names->initials str)
+  (regexp-replace* #rx"(.)[^ ]*( |$)" str "\\1. "))
+
+(module+ test
+  (require rackunit)
+  (check-equal? (given-names->initials "Matthew") "M. ")
+  (check-equal? (given-names->initials "Matthew R.") "M. R. ")
+  (check-equal? (given-names->initials "Matthew Raymond") "M. R. "))
          
 (define (proceedings-location
          location
@@ -516,9 +535,14 @@
   (make-author-element
    #f
    (list
-    (format "~a ~a~a" first last (if suffix
+    (format "~a ~a~a" 
-                                     (format " ~a" suffix)
+            (if (abbreviate-given-names)
-                                     "")))
+                (given-names->initials first)
+                first)
+            last 
+            (if suffix
+                (format " ~a" suffix)
+                "")))
    (format "~a ~a~a" last first (if suffix
                                     (format " ~a" suffix)
                                     ""))