reftex: Viewing Cross-References
6 Viewing Cross-References
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RefTeX can display cross-referencing information. This means, if two
document locations are linked, RefTeX can display the matching
location(s) in another window. The ‘\label’ and ‘\ref’ macros are one
way of establishing such a link. Also, a ‘\cite’ macro is linked to the
corresponding ‘\bibitem’ macro or a BibTeX database entry.
The feature is invoked by pressing ‘C-c &’ (‘reftex-view-crossref’)
while point is on the KEY argument of a macro involved in
cross-referencing. You can also click with ‘S-mouse-2’ on the macro
argument. Here is what will happen for individual classes of macros:
‘\ref’
Display the corresponding label definition. All usual variants(1)
of the ‘\ref’ macro are active for cross-reference display. This
works also for labels defined in an external document when the
current document refers to them through the ‘xr’ interface (
LaTeX xr Package).
‘\label’
Display a document location which references this label. Pressing
‘C-c &’ several times moves through the entire document and finds
all locations. Not only the ‘\label’ macro but also other macros
with label arguments (as configured with ‘reftex-label-alist’) are
active for cross-reference display.
‘\cite’
Display the corresponding BibTeX database entry or ‘\bibitem’. All
usual variants(2) of the ‘\cite’ macro are active for
cross-reference display.
‘\bibitem’
Display a document location which cites this article. Pressing
‘C-c &’ several times moves through the entire document and finds
all locations.
BibTeX
‘C-c &’ is also active in BibTeX buffers. All locations in a
document where the database entry at point is cited will be
displayed. On first use, RefTeX will prompt for a buffer which
belongs to the document you want to search. Subsequent calls will
use the same document, until you break this link with a prefix
argument to ‘C-c &’.
‘\index’
Display other locations in the document which are marked by an
index macro with the same key argument. Along with the standard
‘\index’ and ‘\glossary’ macros, all macros configured in
‘reftex-index-macros’ will be recognized.
While the display of cross referencing information for the above
mentioned macros is hard-coded, you can configure additional relations
in the variable ‘reftex-view-crossref-extra’.
---------- Footnotes ----------
(1) all macros that start with ‘ref’ or end with ‘ref’ or ‘refrange’
(2) all macros that either start or end with ‘cite’
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