* erc.el (open-ssl-stream, open-tls-stream, erc-network-name):

* erc.el (open-ssl-stream, open-tls-stream, erc-network-name):
Declare as functions.

* textmodes/reftex-index.el (texmathp):
* textmodes/reftex-auc.el (TeX-argument-insert)
(TeX-argument-prompt, multi-prompt, LaTeX-add-index-entries)
(LaTeX-add-labels, LaTeX-bibitem-list, LaTeX-index-entry-list)
(LaTeX-label-list):
* nxml/rng-maint.el (rng-clear-cached-state, rng-clear-overlays)
(rng-clear-conditional-region, rng-do-some-validation): Declare as
functions.
(rng-error-count, rng-validate-up-to-date-end): Pacify byte compiler.