[texhax] expansion in makeindex

Micha Hofri hofri at WPI.EDU
Wed May 31 15:06:27 CEST 2006

Thanks, Phil, for the pointer.

I looked there.  It is very close to---somewhat older than---"Using 
Makeindex" in the Latex2e manual.  It made me realize my question did not 
disclose the depth of ignorance it springs from:

The label "fragile command" is never explained in a way I understood: 
there must be a need to have such a status of commands, but beyond some 
examples of such commands that shed (for me) little light on the 
underlying reasons...  If one can get around it by inserting \protect --- 
why not see all such commands as if they were \protect'ed?  What would we 

Searching,               --Micha

At 18:20 on 05/27/06 Philip G. Ratcliffe sent:

: >       inserting \protect in front of the \mathbb in the index entry
: > solved a long-standing problem --- thanks.  But why does it have this
: > effect?
: You might want to take a look at the short but informative "makeindex.dvi" -
: it'll tell you to \protect fragile commands.
: Cheers,  Phil

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