mdocml: Complete the whatis.1 -> apropos.1 merge, in particular

mdocml: Complete the whatis.1 -> apropos.1 merge, in particular

[schwarze]

Log Message:
-----------
Complete the whatis.1 -> apropos.1 merge,
in particular regarding HISTORY and AUTHORS.

Modified Files:
--------------
    mdocml:
        apropos.1

Revision Data
-------------
Index: apropos.1
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/apropos.1,v
retrieving revision 1.29
retrieving revision 1.30
diff -Lapropos.1 -Lapropos.1 -u -p -r1.29 -r1.30
--- apropos.1
+++ apropos.1
@@ -41,7 +41,7 @@ utilities query manual page databases ge
 evaluating
 .Ar expression
 for each file in each database.
-By default, it displays the names, section numbers, and description lines
+By default, they display the names, section numbers, and description lines
 of all matching manuals.
 .Pp
 By default,
@@ -349,11 +349,19 @@ The following two invocations are equiva
 .Xr re_format 7 ,
 .Xr makewhatis 8
 .Sh HISTORY
-An
+Part of the functionality of
+.Nm whatis
+was already provided by the former
+.Nm manwhere
+utility in
+.Bx 1 .
+The
 .Nm
-utility first appeared in
+and
+.Nm whatis
+utilities first appeared in
 .Bx 2 .
-It was rewritten from scratch for
+They were rewritten from scratch for
 .Ox 5.6 .
 .Pp
 The
@@ -373,13 +381,23 @@ and
 and
 .Fl s
 in
-.Ox 4.5 .
+.Ox 4.5
+for
+.Nm
+and in
+.Ox 5.6
+for
+.Nm whatis .
 .Sh AUTHORS
 .An -nosplit
 .An Bill Joy
-wrote the original
+wrote
+.Nm manwhere
+in 1977 and the original
 .Bx
 .Nm
+and
+.Nm whatis
 in February 1979.
 The current version was written by
 .An Kristaps Dzonsons Aq Mt kristaps@bsd.lv
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