[OS X TeX] \langle does not display as such in the Index

[Herbert Schulz]

> On Feb 1, 2016, at 11:43 AM, Alain Schremmer <schremmer.alain at gmail.com> wrote:
> 
> 
> On , at 2016 Feb 1,11:50 AM, Herbert Schulz wrote:
> 
>>> On Feb 1, 2016, at 10:24 AM, Alain Schremmer <schremmer.alain at gmail.com> wrote:
>>> 
>>> 
>>> On , at 2016 Feb 1,11:01 AM, Herbert Schulz wrote:
>>> 
>>>>> On Feb 1, 2016, at 9:20 AM, Alain Schremmer <schremmer.alain at gmail.com> wrote:
>>>>> 
>>>>> 
>>>>> On , at 2016 Feb 1,7:35 AM, Herbert Schulz wrote:
>>>>> 
>>>>>>> On Jan 31, 2016, at 11:04 PM, Alain Schremmer <schremmer.alain at gmail.com> wrote:
>>>>>>> 
>>>>>>> Sorry it took me so long to respond: The problem turned out actually to be more complicated than I had thought and I hope that the attached "minimal example" will clarify the circumstances under which \cup works while \langle does not.
>>>>>>> 
>>>>>>> Best regards
>>>>>>> --schremmer
>>>>>>> 
>>>>>>> 
>>>>>>> <MakeindedVsShowindex.tex.zip>
>>>>>>> 
>>>>>>> 
>>>>>>> On , at 2016 Jan 23,9:03 PM, Herbert Schulz wrote:
>>>>>>> 
>>>>>>>>> On Jan 23, 2016, at 7:23 PM, Alain Schremmer <schremmer.alain at gmail.com> wrote:
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> On , at 2016 Jan 23,7:31 PM, Herbert Schulz wrote:
>>>>>>>>> 
>>>>>>>>>>> On Jan 23, 2016, at 5:39 PM, Alain Schremmer <schremmer.alain at gmail.com> wrote:
>>>>>>>>>>> 
>>>>>>>>>>> I am proofreading a bit and just noticed that: 
>>>>>>>>>>> 
>>>>>>>>>>> \langle displays correctly under showidx but under makeidx displays   hA   
>>>>>>>>>>> and 
>>>>>>>>>>> \rangle displays correctly under showidx but under makeidx  displays   A with a little cup on top followed by B
>>>>>>>>>>> 
>>>>>>>>>>> Similarly, 
>>>>>>>>>>> 
>>>>>>>>>>> \left \langle displays correctly with showidx but under makeidx displays CircleCross A
>>>>>>>>>>> and
>>>>>>>>>>> \right \rangle displays correctly under showidx but under makeidx displays a dropped A with a little cup on top followed by B
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>>> I am using
>>>>>>>>>>> 
>>>>>>>>>>> 			\let\oldopenparen\(%
>>>>>>>>>>> 			\let\oldcloseparen\)%
>>>>>>>>>>> 			\newcommand{\INDEX}[1]{\def\({\protect\oldopenparen}\def\){\protect\oldcloseparen}\index{#1}}
>>>>>>>>>>> 
>>>>>>>>>>> which works fine with every other symbols.
>>>>>>>>>>> 
>>>>>>>>>>> Puzzled regards
>>>>>>>>>>> --schremmer
>>>>>>>>>> 
>>>>>>>>>> Howdy,
>>>>>>>>>> 
>>>>>>>>>> What are you trying to do?
>>>>>>>>> 
>>>>>>>>> Indexing math symbols which works fine except for \rlangle and \langle
>>>>>>>>> 
>>>>>>>>>> Are you including the \rlangle and \langle in math mode?
>>>>>>>>> 
>>>>>>>>> Yes
>>>>>>>>> 
>>>>>>>>> Regards
>>>>>>>>> --schremmer
>>>>>>>> 
>>>>>>>> Howdy,
>>>>>>>> 
>>>>>>>> Have you tried
>>>>>>>> 
>>>>>>>> \index{{\(\angle\)}} or \index{$\langle$}? It seems to work fine for the makeidx package for me.
>>>>>>>> 
>>>>>>>> %%!TEX TS-program = pdflatexmk
>>>>>>>> \documentclass{article}
>>>>>>>> \usepackage{makeidx}
>>>>>>>> \makeindex
>>>>>>>> \begin{document}
>>>>>>>> Here's an indexed item; \(\langle\)\index{\(\langle\)}.
>>>>>>>> \printindex
>>>>>>>> \end{document}
>>>>>>>> 
>>>>>>>> Good Luck,
>>>>>>>> 
>>>>>>>> Herb Schulz
>>>>>>>> (herbs at wideopenwest dot com)
>>>>>> 
>>>>>> Howdy,
>>>>>> 
>>>>>> In part B I commented out the usepackage showidx and uncommented Michael Sharpe's code. When I compile the index entry, Heiko Oberdiek, is NOT hyperlinked as you say it should be. I'm stopping there for now.
>>>>> 
>>>>> As my father used to tell me "Le mieux est l'ennemi du bien." which, on this side of the water, translates as "Keep it simple, you idiot."
>>>>> Either way, I have attached what I first had. Look at the third entry in the Index.
>>>>> Apologetic regards
>>>>> 
>>>>> <MakeindedVsShowindexESSENTIAL.tex.zip>
>>>> 
>>>> Howdy,
>>>> 
>>>> I did go further in your original document and saw the B entry, etc. I could fix things by removing the INDEX command and making sure all those object are defined using \protect. See the enclosed version:
>>>> 
>>> <MakeindedVsShowindexESSENTIAL.tex.zip>
>>>> 
>>> 
>>> The Index is indeed beautiful but, sometimes, the protection racket can be too expensive: look at the margin entries. ;-))
>>> 
>>> Best regards
>>> --schremmer
>> 
>> Howdy,
>> 
>> I see the “ instead of the \ but I see that for the \cup and \cap too and they haven't been re-defined so that has nothing to do with the \protect.
> 
> Confusing, isn't it? Take a look at the attached NEXT. Hope it's ... simpler.
> 
> 
> <MakeindedVsShowindexNEXT.pdf>
> 
> Best regards
> --schremmer

Howdy,

I haven't looked at showidx.sty or how the information is passed to that package. It seems that the definition of \INDEX will reset the definition of \( and \) on each execution; I took those out and then the definition of \INDEX simply becomes

\newcommand{\INDEX}[1]{\index{#1]}

which seems like it's doing nothing but \newcommand seems to build a better protected definition. 

Also note that Heiko's magic seems to load showidx in a special way so you shouldn't load it separately.

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The enclosed file ALWAYS uses \INDEX and all seems well now.

Good Luck,

Herb Schulz
(herbs at wideopenwest dot com)






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