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We have a vB4.2.5 forum that has a lot of internal URL links which we would like to migrate to XF2

They are of two types of link:

a. Link to another post / thread eg: http://www.ourforum.org.uk/showthread.php?p=4950#post4950

b. Direct link to an file attachment which is "stored" within another post

eg:  http://www.ourforum.org.uk/attachment.php?attachmentid=3996&d=1298841216

or embedded within text looking like this:

63(7-8)

When we migrate this forum to XF2, will the internal url links be correctly handed? (ie will they still work?)

Many thanks...