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2-category 2-category-theory abelian-categories adjoint algebra algebraic algebraic-geometry algebraic-topology analysis analytic-geometry arithmetic arithmetic-geometry book bundles calculus categorical categories category category-theory chern-weil-theory cohesion cohesive-homotopy-type-theory cohomology colimits combinatorics complex complex-geometry computable-mathematics computer-science constructive cosmology deformation-theory descent diagrams differential differential-cohomology differential-equations differential-geometry digraphs duality elliptic-cohomology enriched fibration foundation foundations functional-analysis functor gauge-theory gebra geometric-quantization geometry graph graphs gravity grothendieck group group-theory harmonic-analysis higher higher-algebra higher-category-theory higher-differential-geometry higher-geometry higher-lie-theory higher-topos-theory homological homological-algebra homotopy homotopy-theory homotopy-type-theory index-theory integration integration-theory k-theory lie-theory limits linear linear-algebra locale localization logic mathematics measure-theory modal modal-logic model model-category-theory monad monads monoidal monoidal-category-theory morphism motives motivic-cohomology nforum nlab noncommutative noncommutative-geometry number-theory of operads operator operator-algebra order-theory pages pasting philosophy physics pro-object probability probability-theory quantization quantum quantum-field quantum-field-theory quantum-mechanics quantum-physics quantum-theory question representation representation-theory riemannian-geometry scheme schemes set set-theory sheaf sheaves simplicial space spin-geometry stable-homotopy-theory stack string string-theory superalgebra supergeometry svg symplectic-geometry synthetic-differential-geometry terminology theory topology topos topos-theory tqft type type-theory universal variational-calculus

1. • CommentRowNumber1.
   • CommentAuthorUrs
   • CommentTimeNov 28th 2012
   • (edited Nov 28th 2012)
   • PermaLink
   Author: Urs
   Format: MarkdownItexSomething has changed a while back about how the $n$Lab software handles hyphens in page titles, could that be? It keeps happening to me since a while that when I create an entry with a hyphen in the title and then point to it with the very same keystrokes from another entry, the link nervertheless appears gray. To fix this I either copy-and-paste the page title into the source code of that other page or else copy-and-paste the source code used in that other page to a redirect clause in the former. Has anyone else experienced this? If not, I can try to produce a test-case to check against in the Sandbox.

   Something has changed a while back about how the $n$Lab software handles hyphens in page titles, could that be?

   It keeps happening to me since a while that when I create an entry with a hyphen in the title and then point to it with the very same keystrokes from another entry, the link nervertheless appears gray. To fix this I either copy-and-paste the page title into the source code of that other page or else copy-and-paste the source code used in that other page to a redirect clause in the former.

   Has anyone else experienced this? If not, I can try to produce a test-case to check against in the Sandbox.

2. • CommentRowNumber2.
   • CommentAuthorTobyBartels
   • CommentTimeNov 28th 2012
   • PermaLink
   Author: TobyBartels
   Format: MarkdownItexI have not noticed this. An example in the [[Sandbox]] would be great. You can use one of the [empty pages](http://ncatlab.org/nlab/list/empty) if you need to create a new page for this to work.

   I have not noticed this. An example in the Sandbox would be great. You can use one of the empty pages if you need to create a new page for this to work.

3. • CommentRowNumber3.
   • CommentAuthorUrs
   • CommentTimeDec 3rd 2012
   • PermaLink
   Author: Urs
   Format: MarkdownItexHere is something that looks related: if you have a second, have a look at the [[sandbox]] right now. There is a single anchored link in there which doesn't parse correctly. I suspect the cause the is hyphen in the page name. (My apologies if it's instead me being stupid. But I seem to think that this worked some time ago, and now works no longer.)

   Here is something that looks related: if you have a second, have a look at the sandbox right now. There is a single anchored link in there which doesn’t parse correctly. I suspect the cause the is hyphen in the page name.

   (My apologies if it’s instead me being stupid. But I seem to think that this worked some time ago, and now works no longer.)

4. • CommentRowNumber4.
   • CommentAuthorAndrew Stacey
   • CommentTimeDec 3rd 2012
   • PermaLink
   Author: Andrew Stacey
   Format: MarkdownItexThat one is due to the closing bracket being taken as the end of the link syntax: it matches `[title](link)` so if `link` has a bracket then that has to be escaped using the right percent code - don't remember it off the top of my head.

   That one is due to the closing bracket being taken as the end of the link syntax: it matches [title](link) so if link has a bracket then that has to be escaped using the right percent code - don’t remember it off the top of my head.

5. • CommentRowNumber5.
   • CommentAuthorUrs
   • CommentTimeDec 3rd 2012
   • (edited Dec 3rd 2012)
   • PermaLink
   Author: Urs
   Format: MarkdownItexAh, sure. Thanks. My bad.

   Ah, sure. Thanks. My bad.

6. • CommentRowNumber6.
   • CommentAuthorTobyBartels
   • CommentTimeDec 4th 2012
   • PermaLink
   Author: TobyBartels
   Format: MarkdownItex`%28` = `(`, `%29` = `)`.

   %28 = (, %29 = ).

7. • CommentRowNumber7.
   • CommentAuthorUrs
   • CommentTimeDec 4th 2012
   • PermaLink
   Author: Urs
   Format: MarkdownItexThanks, Toby. Usually this comes automatically by copy-and-pasting the URL. I guess in this case I accidentally copy-and-pasted from the source code instead.

   Thanks, Toby. Usually this comes automatically by copy-and-pasting the URL. I guess in this case I accidentally copy-and-pasted from the source code instead.

8. • CommentRowNumber8.
   • CommentAuthorUrs
   • CommentTimeDec 6th 2012
   • (edited Dec 6th 2012)
   • PermaLink
   Author: Urs
   Format: MarkdownItexLet me try again to see that I am not hallucinating (maybe I am): if you, dear reader, have a second, please look at the [[Sandbox]] right now. There should be a gray link. Its code is copy-and-pasted from this code [[!redirects Lawvere-Tierney operator]] at _[[Lawvere-Tierney topology]]_

   Let me try again to see that I am not hallucinating (maybe I am):

   if you, dear reader, have a second, please look at the Sandbox right now. There should be a gray link. Its code is copy-and-pasted from this code

     [[!redirects Lawvere-Tierney operator]]
   

   at Lawvere-Tierney topology

9. • CommentRowNumber9.
   • CommentAuthorAndrew Stacey
   • CommentTimeDec 7th 2012
   • PermaLink
   Author: Andrew Stacey
   Format: MarkdownItexYup, that doesn't work. I'll do a bit of digging and then see if Jacques has any ideas.

   Yup, that doesn’t work.

   I’ll do a bit of digging and then see if Jacques has any ideas.

10. • CommentRowNumber10.
    • CommentAuthorUrs
    • CommentTimeDec 7th 2012
    • PermaLink
    Author: Urs
    Format: MarkdownItexThanks!

    Thanks!

11. • CommentRowNumber11.
    • CommentAuthorTobyBartels
    • CommentTimeDec 7th 2012
    • PermaLink
    Author: TobyBartels
    Format: MarkdownItexOK, now I see it too. That\'s bad!

    OK, now I see it too. That's bad!