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

[Alain Schremmer]

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:
> 
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> 

The Index is indeed beautiful but, sometimes, the protection racket can be too expensive: look at the margin entries. ;-))

Best regards
--schremmer