'xrdef {Preliminaries-title}{Introduction and preliminaries}
'xrdef {Preliminaries-pg}{1}
'xrdef {Preliminaries-snt}{Chapter'tie1}
'xrdef {Intro-title}{Introduction to \code {m4}}
'xrdef {Intro-pg}{1}
'xrdef {Intro-snt}{Section'tie1.1}
'xrdef {History-title}{Historical references}
'xrdef {History-pg}{1}
'xrdef {History-snt}{Section'tie1.2}
'xrdef {Invoking m4-title}{Invoking \code {m4}}
'xrdef {Invoking m4-pg}{2}
'xrdef {Invoking m4-snt}{Section'tie1.3}
'xrdef {Bugs-title}{Problems and bugs}
'xrdef {Bugs-pg}{5}
'xrdef {Bugs-snt}{Section'tie1.4}
'xrdef {Manual-title}{Using this manual}
'xrdef {Manual-pg}{5}
'xrdef {Manual-snt}{Section'tie1.5}
'xrdef {Syntax-title}{Lexical and syntactic conventions}
'xrdef {Syntax-pg}{6}
'xrdef {Syntax-snt}{Chapter'tie2}
'xrdef {Names-title}{Names}
'xrdef {Names-pg}{6}
'xrdef {Names-snt}{Section'tie2.1}
'xrdef {Quoted strings-title}{Quoted strings}
'xrdef {Quoted strings-pg}{6}
'xrdef {Quoted strings-snt}{Section'tie2.2}
'xrdef {Other tokens-title}{Other tokens}
'xrdef {Other tokens-pg}{6}
'xrdef {Other tokens-snt}{Section'tie2.3}
'xrdef {Comments-title}{Comments}
'xrdef {Comments-pg}{6}
'xrdef {Comments-snt}{Section'tie2.4}
'xrdef {Macros-title}{How to invoke macros}
'xrdef {Macros-pg}{7}
'xrdef {Macros-snt}{Chapter'tie3}
'xrdef {Invocation-title}{Macro invocation}
'xrdef {Invocation-pg}{7}
'xrdef {Invocation-snt}{Section'tie3.1}
'xrdef {Inhibiting Invocation-title}{Preventing macro invocation}
'xrdef {Inhibiting Invocation-pg}{7}
'xrdef {Inhibiting Invocation-snt}{Section'tie3.2}
'xrdef {Macro Arguments-title}{Macro arguments}
'xrdef {Macro Arguments-pg}{8}
'xrdef {Macro Arguments-snt}{Section'tie3.3}
'xrdef {Quoting Arguments-title}{Quoting macro arguments}
'xrdef {Quoting Arguments-pg}{9}
'xrdef {Quoting Arguments-snt}{Section'tie3.4}
'xrdef {Macro expansion-title}{Macro expansion}
'xrdef {Macro expansion-pg}{9}
'xrdef {Macro expansion-snt}{Section'tie3.5}
'xrdef {Definitions-title}{How to define new macros}
'xrdef {Definitions-pg}{10}
'xrdef {Definitions-snt}{Chapter'tie4}
'xrdef {Define-title}{Defining a macro}
'xrdef {Define-pg}{10}
'xrdef {Define-snt}{Section'tie4.1}
'xrdef {Arguments-title}{Arguments to macros}
'xrdef {Arguments-pg}{10}
'xrdef {Arguments-snt}{Section'tie4.2}
'xrdef {Pseudo Arguments-title}{Special arguments to macros}
'xrdef {Pseudo Arguments-pg}{11}
'xrdef {Pseudo Arguments-snt}{Section'tie4.3}
'xrdef {Undefine-title}{Deleting a macro}
'xrdef {Undefine-pg}{12}
'xrdef {Undefine-snt}{Section'tie4.4}
'xrdef {Defn-title}{Renaming macros}
'xrdef {Defn-pg}{12}
'xrdef {Defn-snt}{Section'tie4.5}
'xrdef {Pushdef-title}{Temporarily redefining macros}
'xrdef {Pushdef-pg}{13}
'xrdef {Pushdef-snt}{Section'tie4.6}
'xrdef {Indir-title}{Indirect call of macros}
'xrdef {Indir-pg}{14}
'xrdef {Indir-snt}{Section'tie4.7}
'xrdef {Builtin-title}{Indirect call of builtins}
'xrdef {Builtin-pg}{14}
'xrdef {Builtin-snt}{Section'tie4.8}
'xrdef {Conditionals-title}{Conditionals, loops and recursion}
'xrdef {Conditionals-pg}{15}
'xrdef {Conditionals-snt}{Chapter'tie5}
'xrdef {Ifdef-title}{Testing macro definitions}
'xrdef {Ifdef-pg}{15}
'xrdef {Ifdef-snt}{Section'tie5.1}
'xrdef {Ifelse-title}{Comparing strings}
'xrdef {Ifelse-pg}{15}
'xrdef {Ifelse-snt}{Section'tie5.2}
'xrdef {Loops-title}{Loops and recursion}
'xrdef {Loops-pg}{16}
'xrdef {Loops-snt}{Section'tie5.3}
'xrdef {Debugging-title}{How to debug macros and input}
'xrdef {Debugging-pg}{18}
'xrdef {Debugging-snt}{Chapter'tie6}
'xrdef {Dumpdef-title}{Displaying macro definitions}
'xrdef {Dumpdef-pg}{18}
'xrdef {Dumpdef-snt}{Section'tie6.1}
'xrdef {Trace-title}{Tracing macro calls}
'xrdef {Trace-pg}{18}
'xrdef {Trace-snt}{Section'tie6.2}
'xrdef {Debug Levels-title}{Controlling debugging output}
'xrdef {Debug Levels-pg}{19}
'xrdef {Debug Levels-snt}{Section'tie6.3}
'xrdef {Debug Output-title}{Saving debugging output}
'xrdef {Debug Output-pg}{20}
'xrdef {Debug Output-snt}{Section'tie6.4}
'xrdef {Input Control-title}{Input control}
'xrdef {Input Control-pg}{21}
'xrdef {Input Control-snt}{Chapter'tie7}
'xrdef {Dnl-title}{Deleting whitespace in input}
'xrdef {Dnl-pg}{21}
'xrdef {Dnl-snt}{Section'tie7.1}
'xrdef {Changequote-title}{Changing the quote characters}
'xrdef {Changequote-pg}{21}
'xrdef {Changequote-snt}{Section'tie7.2}
'xrdef {Changecom-title}{Changing comment delimiters}
'xrdef {Changecom-pg}{22}
'xrdef {Changecom-snt}{Section'tie7.3}
'xrdef {Changeword-title}{Changing the lexical structure of words}
'xrdef {Changeword-pg}{22}
'xrdef {Changeword-snt}{Section'tie7.4}
'xrdef {M4wrap-title}{Saving input}
'xrdef {M4wrap-pg}{24}
'xrdef {M4wrap-snt}{Section'tie7.5}
'xrdef {File Inclusion-title}{File inclusion}
'xrdef {File Inclusion-pg}{25}
'xrdef {File Inclusion-snt}{Chapter'tie8}
'xrdef {Include-title}{Including named files}
'xrdef {Include-pg}{25}
'xrdef {Include-snt}{Section'tie8.1}
'xrdef {Search Path-title}{Searching for include files}
'xrdef {Search Path-pg}{26}
'xrdef {Search Path-snt}{Section'tie8.2}
'xrdef {Diversions-title}{Diverting and undiverting output}
'xrdef {Diversions-pg}{27}
'xrdef {Diversions-snt}{Chapter'tie9}
'xrdef {Divert-title}{Diverting output}
'xrdef {Divert-pg}{27}
'xrdef {Divert-snt}{Section'tie9.1}
'xrdef {Undivert-title}{Undiverting output}
'xrdef {Undivert-pg}{28}
'xrdef {Undivert-snt}{Section'tie9.2}
'xrdef {Divnum-title}{Diversion numbers}
'xrdef {Divnum-pg}{29}
'xrdef {Divnum-snt}{Section'tie9.3}
'xrdef {Cleardiv-title}{Discarding diverted text}
'xrdef {Cleardiv-pg}{29}
'xrdef {Cleardiv-snt}{Section'tie9.4}
'xrdef {Text handling-title}{Macros for text handling}
'xrdef {Text handling-pg}{31}
'xrdef {Text handling-snt}{Chapter'tie10}
'xrdef {Len-title}{Calculating length of strings}
'xrdef {Len-pg}{31}
'xrdef {Len-snt}{Section'tie10.1}
'xrdef {Index-title}{Searching for substrings}
'xrdef {Index-pg}{31}
'xrdef {Index-snt}{Section'tie10.2}
'xrdef {Regexp-title}{Searching for regular expressions}
'xrdef {Regexp-pg}{31}
'xrdef {Regexp-snt}{Section'tie10.3}
'xrdef {Substr-title}{Extracting substrings}
'xrdef {Substr-pg}{32}
'xrdef {Substr-snt}{Section'tie10.4}
'xrdef {Translit-title}{Translating characters}
'xrdef {Translit-pg}{32}
'xrdef {Translit-snt}{Section'tie10.5}
'xrdef {Patsubst-title}{Substituting text by regular expression}
'xrdef {Patsubst-pg}{33}
'xrdef {Patsubst-snt}{Section'tie10.6}
'xrdef {Format-title}{Formatted output}
'xrdef {Format-pg}{33}
'xrdef {Format-snt}{Section'tie10.7}
'xrdef {Arithmetic-title}{Macros for doing arithmetic}
'xrdef {Arithmetic-pg}{35}
'xrdef {Arithmetic-snt}{Chapter'tie11}
'xrdef {Incr-title}{Decrement and increment operators}
'xrdef {Incr-pg}{35}
'xrdef {Incr-snt}{Section'tie11.1}
'xrdef {Eval-title}{Evaluating integer expressions}
'xrdef {Eval-pg}{35}
'xrdef {Eval-snt}{Section'tie11.2}
'xrdef {UNIX commands-title}{Running UNIX commands}
'xrdef {UNIX commands-pg}{38}
'xrdef {UNIX commands-snt}{Chapter'tie12}
'xrdef {Syscmd-title}{Executing simple commands}
'xrdef {Syscmd-pg}{38}
'xrdef {Syscmd-snt}{Section'tie12.1}
'xrdef {Esyscmd-title}{Reading the output of commands}
'xrdef {Esyscmd-pg}{38}
'xrdef {Esyscmd-snt}{Section'tie12.2}
'xrdef {Sysval-title}{Exit codes}
'xrdef {Sysval-pg}{38}
'xrdef {Sysval-snt}{Section'tie12.3}
'xrdef {Maketemp-title}{Making names for temporary files}
'xrdef {Maketemp-pg}{39}
'xrdef {Maketemp-snt}{Section'tie12.4}
'xrdef {Miscellaneous-title}{Miscellaneous builtin macros}
'xrdef {Miscellaneous-pg}{40}
'xrdef {Miscellaneous-snt}{Chapter'tie13}
'xrdef {Errprint-title}{Printing error messages}
'xrdef {Errprint-pg}{40}
'xrdef {Errprint-snt}{Section'tie13.1}
'xrdef {M4exit-title}{Exiting from \code {m4}}
'xrdef {M4exit-pg}{40}
'xrdef {M4exit-snt}{Section'tie13.2}
'xrdef {Frozen files-title}{Fast loading of frozen states}
'xrdef {Frozen files-pg}{41}
'xrdef {Frozen files-snt}{Chapter'tie14}
'xrdef {Compatibility-title}{Compatibility with other versions of \code {m4}}
'xrdef {Compatibility-pg}{43}
'xrdef {Compatibility-snt}{Chapter'tie15}
'xrdef {Extensions-title}{Extensions in GNU \code {m4}}
'xrdef {Extensions-pg}{43}
'xrdef {Extensions-snt}{Section'tie15.1}
'xrdef {Incompatibilities-title}{Facilities in System V \code {m4} not in GNU \code {m4}}
'xrdef {Incompatibilities-pg}{44}
'xrdef {Incompatibilities-snt}{Section'tie15.2}
'xrdef {Other Incompat-title}{Other incompatibilities}
'xrdef {Other Incompat-pg}{44}
'xrdef {Other Incompat-snt}{Section'tie15.3}
'xrdef {Concept index-title}{Concept index}
'xrdef {Concept index-pg}{45}
'xrdef {Concept index-snt}{}
'xrdef {Macro index-title}{Macro index}
'xrdef {Macro index-pg}{47}
'xrdef {Macro index-snt}{}

.