Eskil

Now those lines are remembered, and you could add more alignment pairs before you proceed with regenerating the view.

<bullet>\u2022\tSelect menu File->Redo Diff.</bullet>

Scroll down and see that the lines are next to each other.  Also note that their line numbers are underlined.
You can clear the alignment information in the right-click menu over a line or by selecting the menu Tools->Clear Align.

<b>Regular expression preprocessing</b>

Double click on enum.c to bring up the diff.
[write something here to explain the problem and the goal]
[add reference to re_syntax and regsub manuals]
<bullet>
\u2022\tSelect menu Options->Preprocess.
\u2022\tPress "Add" to add a new preprocessing set.
\u2022\tEnter the regular expression "^.*?\\m(Apa\\w+).*$" in the field.
\u2022\tEnter "\\1" in the substitution field.
\u2022\tEnter a word starting with "Apa" in one of the example fields and see that the result is just that word.
\u2022\tPress "Ok" and select menu File->Redo Diff.
</bullet>
A shortcut for the above is to use "-prefix Apa" on the command line.

<b>Changed filename in directory diff</b>
<bullet>
\u2022\tRight click on "namechange1" in Directory Diff's left window.
\u2022\tSelect "Mark File" in the menu.
\u2022\tRight click on "namechange2" in Directory Diff's right window.
\u2022\tSelect "Compare with..." in the menu.
</bullet>