Doc fixes for fclist and grep

A newline is needed between two fc-list calls.
egrep and fgrep have been withdrawn from POSIX,
so document grep -E and grep -F instead.

doc/emacs/frames.texi

@@ -764,7 +764,8 @@ Fontconfig fonts, you can use the @command{fc-list} command to list
 the available fixed-width fonts, like this:
 
 @example
-fc-list :spacing=mono fc-list :spacing=charcell
+fc-list :spacing=mono
+fc-list :spacing=charcell
 @end example
 
 @noindent
@@ -772,7 +773,7 @@ For server-side X fonts, you can use the @command{xlsfonts} program to
 list the available fixed-width fonts, like this:
 
 @example
-xlsfonts -fn '*x*' | egrep "^[0-9]+x[0-9]+"
+xlsfonts -fn '*x*' | grep -E '^[0-9]+x[0-9]+'
 xlsfonts -fn '*-*-*-*-*-*-*-*-*-*-*-m*'
 xlsfonts -fn '*-*-*-*-*-*-*-*-*-*-*-c*'
 @end example

etc/PROBLEMS

@@ -1655,7 +1655,7 @@ which combination produces "M-x" in the echo area.  You can also use
 the 'xmodmap' utility to show all the keys which produce a Meta
 modifier:
 
-         xmodmap -pk | egrep -i "meta|alt"
+         xmodmap -pk | grep -Ei "meta|alt"
 
 A more convenient way of finding out which keys produce a Meta modifier
 is to use the 'xkbprint' utility, if it's available on your system:

lisp/cedet/cedet-cscope.el

@@ -52,7 +52,7 @@ SCOPE is the scope of the search, such as 'project or 'subdirs."
   ;; -0 = Find C symbol
   ;; -1 = Find global definition
   ;; -3 = Find references
-  ;; -6 = Find egrep pattern
+  ;; -6 = Find grep -E pattern
   ;; -7 = Find file
   (let ((idx (cond ((eq type 'file)
 		    "-7")

lisp/cedet/semantic/symref.el

@@ -266,7 +266,7 @@ Returns an object of class `semantic-symref-result'."
 ;;;###autoload
 (defun semantic-symref-find-text (text &optional scope)
   "Find a list of occurrences of TEXT in the current project.
-TEXT is a regexp formatted for use with egrep.
+TEXT is a regexp formatted for use with grep -E.
 Optional SCOPE specifies which file set to search.  Defaults to `project'.
 Refers to `semantic-symref-tool', to determine the reference tool to use
 for the current buffer.

lisp/man.el

@@ -964,7 +964,7 @@ otherwise look like a page name.
 
 An \"apropos\" query with -k gives a buffer of matching page
 names or descriptions.  The pattern argument is usually an
-\"egrep\" style regexp.
+\"grep -E\" style regexp.
 
     -k pattern"
 

src/bidi.c

@@ -2498,10 +2498,10 @@ typedef struct bpa_stack_entry {
 
    And finally, cross-reference these two:
 
-    fgrep -w -f brackets.txt decompositions.txt
+    grep -Fw -f brackets.txt decompositions.txt
 
    where "decompositions.txt" was produced by the 1st script, and
-   "brackets.txt" by the 2nd script.  In the output of fgrep, look
+   "brackets.txt" by the 2nd script.  In the output of grep, look
    only for decompositions that don't begin with some compatibility
    formatting tag, such as "<compat>".  Only decompositions that
    consist solely of character codepoints are relevant to bidi