Audit quoting symbols in C doc strings

Audit quoting symbols in C doc strings

* test/manual/etags/c-src/emacs/src/keyboard.c (Frecursive_edit):
* src/xfns.c (syms_of_xfns):
* src/xdisp.c (Fwindow_text_pixel_size):
(syms_of_xdisp):
* src/w32notify.c (Fw32notify_add_watch):
(Fw32notify_add_watch):
* src/frame.c (Fframe_child_frame_border_width):
* src/comp.c (Fcomp__subr_signature):
* src/alloc.c (Fgarbage_collect):
* lib-src/make-docfile.c (scan_c_stream): Audit quoting symbols in C
doc strings.