Creating Citations ================== In order to create a citation, press `C-c ['. RefTeX then prompts for a regular expression which will be used to search through the database and present the list of matches to choose from in a selection process similar to that for selecting labels (Note: Referencing Labels). The regular expression uses an extended syntax: `&&' defines a logic `and' for regular expressions. For example `Einstein&&Bose' will match all articles which mention Bose-Einstein condensation, or which are co-authored by Bose and Einstein. When entering the regular expression, you can complete on known citation keys. RefTeX prefers to use BibTeX database files specified with a `\bibliography' macro to collect its information. Just like BibTeX, it will search for the specified files in the current directory and along the path given in the environment variable `BIBINPUTS'. If you do not use BibTeX, but the document contains an explicit `thebibliography' environment, RefTeX will collect its information from there. Note that in this case the information presented in the selection buffer will just be a copy of relevant `\bibitem' entries, not the structured listing available with BibTeX database files. In the selection buffer, the following keys provide special commands. A summary of this information is always available from the selection process by pressing `?'. General ....... `?' Show a summary of available commands. `0-9,-' Prefix argument. Moving around ............. `n' Go to next article. `p' Go to previous article. Access to full database entries ............................... `<SPC>' Show the database entry corresponding to the article at point, in another window. See also the `f' key. `f' Toggle follow mode. When follow mode is active, the other window will always display the full database entry of the current article. This is equivalent to pressing <SPC> after each cursor motion. With BibTeX entries, follow mode can be rather slow. Selecting entries and creating the citation ........................................... `<RET>' Insert a citation referencing the article at point into the buffer from which the selection process was started. `mouse-2' Clicking with mouse button 2 on a citation will accept it like <RET> would. See also variable `reftex-highlight-selection', Note: Options (Misc). `m' Mark the current entry. When one or several entries are marked, pressing `a' or `A' accepts all marked entries. Also, <RET> behaves like the `a' key. `u' Unmark a marked entry. `a' Accept all (marked) entries in the selection buffer and create a single `\cite' macro referring to them. `A' Accept all (marked) entries in the selection buffer and create a separate `\cite' macro for each of it. `<TAB>' Enter a citation key with completion. This may also be a key which does not yet exist. `.' Show insertion point in another window. This is the point from where you called `reftex-citation'. Exiting ....... `q' Exit the selection process without inserting a citation into the buffer. Updating the buffer ................... `g' Start over with a new regular expression. The full database will be rescanned with the new expression (see also `r'). `r' Refine the current selection with another regular expression. This will _not_ rescan the entire database, but just the already selected entries. In order to define additional commands for this selection process, the keymap `reftex-select-bib-map' may be used.
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