Index: gcc/doc/cppopts.texi
===================================================================
--- gcc/doc/cppopts.texi.orig
+++ gcc/doc/cppopts.texi
@@ -758,7 +758,7 @@ Replacement:      [    ]    @{    @}    
 Enable special code to work around file systems which only permit very
 short file names, such as MS-DOS@.
 
-@itemx --help
+@item --help
 @itemx --target-help
 @opindex help
 @opindex target-help
Index: gcc/doc/invoke.texi
===================================================================
--- gcc/doc/invoke.texi.orig
+++ gcc/doc/invoke.texi
@@ -4645,11 +4645,11 @@ Dump after duplicating the computed goto
 @option{-fdump-rtl-ce3} enable dumping after the three
 if conversion passes. 
 
-@itemx -fdump-rtl-cprop_hardreg
+@item -fdump-rtl-cprop_hardreg
 @opindex fdump-rtl-cprop_hardreg
 Dump after hard register copy propagation.
 
-@itemx -fdump-rtl-csa
+@item -fdump-rtl-csa
 @opindex fdump-rtl-csa
 Dump after combining stack adjustments.
 
@@ -4660,11 +4660,11 @@ Dump after combining stack adjustments.
 @option{-fdump-rtl-cse1} and @option{-fdump-rtl-cse2} enable dumping after
 the two common sub-expression elimination passes.
 
-@itemx -fdump-rtl-dce
+@item -fdump-rtl-dce
 @opindex fdump-rtl-dce
 Dump after the standalone dead code elimination passes.
 
-@itemx -fdump-rtl-dbr
+@item -fdump-rtl-dbr
 @opindex fdump-rtl-dbr
 Dump after delayed branch scheduling.
 
@@ -4709,7 +4709,7 @@ Dump after the initialization of the reg
 @opindex fdump-rtl-initvals
 Dump after the computation of the initial value sets.
 
-@itemx -fdump-rtl-into_cfglayout
+@item -fdump-rtl-into_cfglayout
 @opindex fdump-rtl-into_cfglayout
 Dump after converting to cfglayout mode.
 
@@ -4739,7 +4739,7 @@ Dump after removing redundant mode switc
 @opindex fdump-rtl-rnreg
 Dump after register renumbering.
 
-@itemx -fdump-rtl-outof_cfglayout
+@item -fdump-rtl-outof_cfglayout
 @opindex fdump-rtl-outof_cfglayout
 Dump after converting from cfglayout mode.
 
@@ -4751,7 +4751,7 @@ Dump after the peephole pass.
 @opindex fdump-rtl-postreload
 Dump after post-reload optimizations.
 
-@itemx -fdump-rtl-pro_and_epilogue
+@item -fdump-rtl-pro_and_epilogue
 @opindex fdump-rtl-pro_and_epilogue
 Dump after generating the function pro and epilogues.
 
Index: gcc/doc/c-tree.texi
===================================================================
--- gcc/doc/c-tree.texi.orig
+++ gcc/doc/c-tree.texi
@@ -2338,13 +2338,13 @@ generate these expressions anyhow, if it
 not matter.  The type of the operands and that of the result are
 always of @code{BOOLEAN_TYPE} or @code{INTEGER_TYPE}.
 
-@itemx POINTER_PLUS_EXPR
+@item POINTER_PLUS_EXPR
 This node represents pointer arithmetic.  The first operand is always
 a pointer/reference type.  The second operand is always an unsigned
 integer type compatible with sizetype.  This is the only binary
 arithmetic operand that can operate on pointer types.
 
-@itemx PLUS_EXPR
+@item PLUS_EXPR
 @itemx MINUS_EXPR
 @itemx MULT_EXPR
 These nodes represent various binary arithmetic operations.