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

[Herbert Schulz]

> 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:

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Good Luck,

Herb Schulz
(herbs at wideopenwest dot com)






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