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

[Herbert Schulz]

> 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.

Good Luck,

Herb Schulz
(herbs at wideopenwest dot com)