bug#15914: 24.3; ruby-toggle-block fails when the block holds a string interpolation

[Adam Sokolnicki]

Way to reproduce it:

M-x find-file tmp.rb RET
M-x ruby-mode RET
foo do\n  "#{bar}"\nend
M-x ruby-toggle-block RET

I've attached a diff that should fix it.

In GNU Emacs 24.3.1 (x86_64-apple-darwin12.5.0, NS apple-appkit-1187.39)
 of 2013-11-07 on Adam-Sokolnickis-MacBook-Pro.local
Windowing system distributor `Apple', version 10.3.1187
Configured using:
 `configure '--prefix=/usr/local/Cellar/emacs/24.3' '--without-dbus'
 '--enable-locallisppath=/usr/local/share/emacs/site-lisp'
 '--infodir=/usr/local/Cellar/emacs/24.3/share/info/emacs'
 '--without-gnutls' '--with-ns' '--disable-ns-self-contained' 'CC=cc''

ruby-toggle-block.diff
Description: Binary data