Question

. I think there's an anomaly in anchor linking, particularly when the 32 character limit on an anchor ends with an underbar "_". See the link to the heading "Trouble with High Speed or Anti-Vibration CD-Rom Drives" in the last paragraph under http://twiki.org/cgi-bin/view/Wikilearn/Md5sumsAfterBurning#In_Linux.

I've tried to make that link a couple of ways, ending it with a "_" and without. In either case, it doesn't work, and the URL that is displayed when you hover over the link does not show the trailing "_". In contrast, the link is to a heading, and the link works properly from the table of contents on the same page.

• TWiki version: Current SourceForge
• Web server: " "
• Server OS: " "
• Web browser: na (but IE5 and Konqueror 2.2.1)
• Client OS: na (but Win95 and Mandrake 8.1)

PS: Someone with admin privileges may wish to change the name of this topic to something like ProblemWithLongAnchorLinksEndingWithAnUnderbar.

-- RandyKramer - 28 Mar 2002

Answer

The problem is that the trailing parenthesis in the text is included in the link - put a space before the parenthesis, or use the forced internal links format.

Very long topic names are best avoided - this one is just fine

-- RichardDonkin - 28 Mar 2002

Richard,

Thanks for the response, but I'm not getting something. I don't know if you meant parenthesis or comma, but I put a space after the link and before the comma, and deleted the parenthesis -- neither helped. I suppose I could use the forced internal links format (I think I know what you mean, or could figure it out), but I left it as is to see if you (or anyone else) could actually edit the link or something to make it work.

-- RandyKramer - 28 Mar 2002

Just fixed this in the page, the diff should make it clear what I did (space between the end of the ...7_2 link and the ')'. If you use forced internal links I think TWiki is a bit more permissive in its regular expression matching, but give it a go.

You can also link to anchors using Md5sumsAfterBurning#In_Linux and Md5sumsAfterBurning#In_Linux. The latter lets you put in whatever punctuation you want - or at least it would if you had chosen a valid WikiWord for the page name... See BackFromPreviewLosesText for an example, near the top.

-- RichardDonkin - 28 Mar 2002

Richard,

Thanks again, but I've marked the question as asked again. I see the problem -- I guess I had two links that weren't working, and you've certainly fixed the first one (and tomorrow I'll review it again to understand it), but, the problem I originally raised was with the second link (I didn't even realize the first link was a problem).

Anyway, the link I'm concerned about is the the link to the heading "Trouble with High Speed or Anti-Vibration CD-Rom Drives" in the last paragraph under http://twiki.org/cgi-bin/view/Wikilearn/Md5sumsAfterBurning#In_Linux.

It looks like #Trouble_with_High_Speed_or_Anti_.

Sorry for the confusion!

-- RandyKramer - 28 Mar 2002

Ah... I was obviously not reading your posting properly!

I fixed this in my local TWiki with the patch attached - it is a bug IMO. However, this patch needs a lot more testing, in case it breaks something else, because I can't see why the bug happens in the first place (same routine is used to create the heading anchor and the link to the anchor...)

-- RichardDonkin - 28 Mar 2002

Richard,

Thanks! I've added the TWikiPatches category to this page, and I'm going to suggest that it be incorporated in the Beijing release. That should give it a good test

-- RandyKramer - 29 Mar 2002

Fixed the TWikiPatches reference, putting Codev in front stops the search working. Hopefully we will just be able to use a form field soon!

-- RichardDonkin - 29 Mar 2002

Category: TWikiPatches