diff --git a/lapi.c b/lapi.c
index d75a824d..ae09baf4 100644
--- a/lapi.c
+++ b/lapi.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lapi.c,v 1.34 1999/02/04 17:47:59 roberto Exp roberto $
+** $Id: lapi.c,v 1.35 1999/02/08 17:07:59 roberto Exp roberto $
 ** Lua API
 ** See Copyright Notice in lua.h
 */
@@ -467,11 +467,6 @@ int lua_setdebug (int debug) {
 */
 
 
-/* Hooks */
-lua_CHFunction lua_callhook = NULL;
-lua_LHFunction lua_linehook = NULL;
-
-
 lua_Function lua_stackedfunction (int level)
 {
   StkId i;
diff --git a/lbuiltin.c b/lbuiltin.c
index 024734fd..6c13ad32 100644
--- a/lbuiltin.c
+++ b/lbuiltin.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lbuiltin.c,v 1.49 1999/02/04 19:12:35 roberto Exp roberto $
+** $Id: lbuiltin.c,v 1.50 1999/02/08 16:29:35 roberto Exp roberto $
 ** Built-in functions
 ** See Copyright Notice in lua.h
 */
@@ -29,7 +29,7 @@
 
 /*
 ** {======================================================
-** Auxliliar functions
+** Auxiliary functions
 ** =======================================================
 */
 
diff --git a/ldo.c b/ldo.c
index 16f79c51..9787e76f 100644
--- a/ldo.c
+++ b/ldo.c
@@ -1,5 +1,5 @@
 /*
-** $Id: ldo.c,v 1.30 1999/01/15 11:38:33 roberto Exp roberto $
+** $Id: ldo.c,v 1.31 1999/02/04 17:47:59 roberto Exp roberto $
 ** Stack and Call structure of Lua
 ** See Copyright Notice in lua.h
 */
@@ -136,7 +136,7 @@ static StkId callC (lua_CFunction f, StkId base)
   if (L->callhook)
     luaD_callHook(base, NULL, 0);
   (*f)();  /* do the actual call */
-  if (L->callhook)  /* func may have changed lua_callhook */
+  if (L->callhook)  /* func may have changed callhook */
     luaD_callHook(base, NULL, 1);
   firstResult = CS->base;
   *CS = oldCLS;
diff --git a/lobject.c b/lobject.c
index b68f7e98..45682c50 100644
--- a/lobject.c
+++ b/lobject.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lobject.c,v 1.15 1999/01/04 13:37:07 roberto Exp roberto $
+** $Id: lobject.c,v 1.16 1999/01/13 19:08:37 roberto Exp roberto $
 ** Some generic functions over Lua objects
 ** See Copyright Notice in lua.h
 */
@@ -112,7 +112,7 @@ double luaO_str2d (char *s) {  /* LUA_NUMBER */
       s++;
       sig = -1;
     }
-    if (!isdigit((unsigned char)*s)) return -1;  /* no digit in expoent part? */
+    if (!isdigit((unsigned char)*s)) return -1;  /* no digit in the exponent? */
     do {
       e = 10*e + (*(s++)-'0');
     } while (isdigit((unsigned char)*s));
diff --git a/lstrlib.c b/lstrlib.c
index 87d5ac47..eec14d34 100644
--- a/lstrlib.c
+++ b/lstrlib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lstrlib.c,v 1.24 1999/02/04 19:29:51 roberto Exp roberto $
+** $Id: lstrlib.c,v 1.25 1999/02/05 11:22:58 roberto Exp roberto $
 ** Standard library for strings and pattern-matching
 ** See Copyright Notice in lua.h
 */
@@ -471,7 +471,7 @@ static void str_format (void) {
     else { /* format item */
       struct Capture cap;
       char form[MAX_FORMAT];  /* to store the format ('%...') */
-      char *buff;  /* to store the formated item */
+      char *buff;  /* to store the formatted item */
       char *initf = strfrmt;
       form[0] = '%';
       if (isdigit((unsigned char)*initf) && *(initf+1) == '$') {
@@ -505,7 +505,7 @@ static void str_format (void) {
           long l;
           char *s = luaL_check_lstr(arg, &l);
           if (cap.capture[1].len == 0 && l >= 100) {
-            /* no precision and string is too big to be formated;
+            /* no precision and string is too big to be formatted;
                keep original string */
             addnchar(s, l);
             continue;  /* skip the "addsize" at the end */
diff --git a/manual.tex b/manual.tex
index 20420570..be5672d5 100644
--- a/manual.tex
+++ b/manual.tex
@@ -1,4 +1,4 @@
-% $Id: manual.tex,v 1.21 1998/11/20 15:41:43 roberto Exp roberto $
+% $Id: manual.tex,v 1.22 1999/02/05 12:15:07 roberto Exp roberto $
 
 \documentclass[11pt]{article}
 \usepackage{fullpage,bnf}
@@ -41,7 +41,7 @@ Waldemar Celes
 \tecgraf\ --- Computer Science Department --- PUC-Rio
 }
 
-%\date{\small \verb$Date: 1998/11/20 15:41:43 $}
+%\date{\small \verb$Date: 1999/02/05 12:15:07 $}
 
 \maketitle
 
@@ -91,7 +91,7 @@ a intera\c{c}\~ao entre programas Lua e programas C hospedeiros.
 \begin{quotation}
 \noindent
 \footnotesize
-Copyright \copyright\ 1994--1998 TeCGraf, PUC-Rio.  All rights reserved.
+Copyright \copyright\ 1994--1999 TeCGraf, PUC-Rio.  All rights reserved.
 
 \noindent
 Permission is hereby granted, without written agreement and without license
@@ -697,10 +697,11 @@ An absent else-part is equivalent to \verb|else nil|.
 
 \subsubsection{Assignment Expressions}
 \begin{Produc}
-\produc{exp}{\ter{(} var \ter{=} exp1 \ter{)}}
+\produc{exp}{\ter{(} varlist1 \ter{=} explist1 \ter{)}}
 \end{Produc}%
-An \Index{assignment expression} executes a regular assignment,
-and results in the final value of its right hand expression.
+An \Index{assignment expression} executes a multiple assignment,
+and results in the final value of its first right hand expression
+(that is, the value assigned to the first variable in the variable list).
 
 \subsubsection{Table Constructors} \label{tableconstructor}
 Table \Index{constructors} are expressions that create tables;
@@ -2752,7 +2753,8 @@ plus a string describing the error.
 
 \subsubsection*{\ff \T{seek (filehandle [, whence] [, offset])}}\Deffunc{seek}
 
-Sets the file position, measured in bytes from the beginning of the file,
+Sets and gets the file position,
+measured in bytes from the beginning of the file,
 to the position given by \verb|offset| plus a base
 specified by the string \verb|whence|, as follows:
 \begin{description}