Update "info loaded" documentation. Add "info loaded" change to relea…

…se notes

changes.md

@@ -45,9 +45,10 @@ writing Tcl scripts.
  - `readFile`, `writeFile`, `foreachLine`
 
 ## New command options
- - `regsub ... -command ...`
- - `lsearch ... -stride ...`
  - `clock scan ... -validate ...`
+ - `info loaded ... ?prefix?`
+ - `lsearch ... -stride ...`
+ - `regsub ... -command ...`
  - `socket ... -nodelay ... -keepalive ...`
  - `vwait` controlled by several new options
 

doc/load.n

@@ -84,13 +84,11 @@ If \fIfileName\fR is an empty string, then \fIprefix\fR must
 be specified.
 .PP
 If \fIprefix\fR is omitted or specified as an empty string,
-Tcl tries to guess the prefix. This may be done differently on
-different platforms. The default guess, which is used on most
-UNIX platforms, is to take the last element of
+Tcl tries to guess the prefix by taking the last element of
 \fIfileName\fR, strip off the first three characters if they
-are \fBlib\fR, then strip off the next three characters if they
-are \fBtcl\fR, and use any following alphabetic and
-underline characters, converted to titlecase as the prefix.
+are \fBlib\fR, then strip off the next three or four characters if
+they are \fBtcl\fR or \fBtcl8\fR, and use any following wordchars
+but not digits, converted to titlecase as the prefix.
 For example, the command \fBload libxyz4.2.so\fR uses the prefix
 \fBXyz\fR and the command \fBload bin/last.so {}\fR uses the
 prefix \fBLast\fR.