reftex-convert-string
reftex-convert-string is a compiled Lisp function in `reftex.el
'.
(reftex-convert-string STRING SPLIT-RE INVALID-RE DOT KEEP-FP NWORDS MAXCHAR INVALID ABBREV SEP IGNORE-WORDS &optional DOWNCASE)
Convert a string (a sentence) to something shorter.
SPLIT-RE is the regular expression used to split the string into words.
INVALID-RE matches characters which are invalid in the final string.
DOT t means add dots to abbreviated words.
KEEP-FP t means to keep a final punctuation when applicable.
NWORDS Number of words to use.
MAXCHAR Maximum number of characters in the final string.
INVALID nil: Throw away any words containing stuff matched with INVALID-RE.
t: Throw away only the matched part, not the whole word.
ABBREV nil: Never abbreviate words.
t: Always abbreviate words (see `reftex-abbrev-parameters').
not t and not nil: Abbreviate words if necessary to shorten
string below MAXCHAR.
SEP String separating different words in the output string.
IGNORE-WORDS List of words which should be removed from the string.