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<html>
<head><meta name="Generator" content="sedsed --htmlize">
<title>Colorized sedcheck.sed</title></head>
<body bgcolor="#000000" text="#ffffff"
      link="#ff00ff" alink="#ff00ff" vlink="#ff00ff">
<pre>
<font color="#00ffff"><b># sedcheck.sed - detects various POSIX compatibility issues in sed scripts</b></font>
<font color="#00ffff"><b># </b></font>
<font color="#00ffff"><b># (C) 2003 Laurent Vogel - GPL version 2 or later at your option.</b></font>
<font color="#00ffff"><b># </b></font>
<font color="#00ffff"><b># 2003-09-12 version 0.1 </b></font>

<font color="#00ffff"><b># hide _,&lt;,&gt;,~ behind '</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>['_&lt;&gt;~]</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>&amp;</b></font>'a_b&lt;c&gt;d~e,<font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>g</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>['_&lt;&gt;~]\)[^,]*\1\<font color="#ff00ff"><b>(</b></font>[^,]\)[^,]*,</b></font><font color="#ff6060"><b>/</b></font>'<font color="#00ff00"><b>\2</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>g</b></font>

<font color="#00ffff"><b># consider the hold buffer; initialize line number and issue number</b></font>
<font color="#ffff00"><b>x</b></font>
<font color="#8080ff"><b>1</b></font> <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>.*</b></font><font color="#ff6060"><b>/</b></font>C~0,0+012345678910999000990090<font color="#ff6060"><b>/</b></font>
<font color="#00ffff"><b># increment line number</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>.\)\<font color="#ff00ff"><b>(</b></font>9*\)\<font color="#ff00ff"><b>(</b></font>,[^+]*+[^9]*\1\<font color="#ff00ff"><b>(</b></font>.0*\).*\2\<font color="#ff00ff"><b>(</b></font>0*\)\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\4</b></font><font color="#00ff00"><b>\5</b></font><font color="#00ff00"><b>\3</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>x</b></font>

<font color="#00ffff"><b># get back state from previous line</b></font>
<font color="#ffff00"><b>G</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>.*\)\n\<font color="#ff00ff"><b>(</b></font>[^~]*~\).*</b></font><font color="#ff6060"><b>/</b></font>_<font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

<font color="#ff00ff"><b>:</b></font><font color="#ff00ff"><b><a name="loop">loop</a></b></font>

<font color="#00ffff"><b># outside commands: _~ = at top level, _{{~ inside two nested groups</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_{*~\)\<font color="#ff00ff"><b>(</b></font>[ 	][ 	]*\)</b></font><font color="#ff6060"><b>/</b></font>&lt;trailing 'blank's should be avoided&gt;<font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_\<font color="#ff00ff"><b>(</b></font>{{*~\);</b></font><font color="#ff6060"><b>/</b></font>&lt;";" not allowed in {...} groups&gt;;_C<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_~;</b></font><font color="#ff6060"><b>/</b></font>;_C~<font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_\<font color="#ff00ff"><b>(</b></font>{*~\)}</b></font><font color="#ff6060"><b>/</b></font>_c<font color="#00ff00"><b>\1</b></font>}<font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_{*~\)\<font color="#ff00ff"><b>(</b></font>#.*\)</b></font><font color="#ff6060"><b>/</b></font>&lt;"#" should be preceded by ";" or 'newline'&gt;<font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_\<font color="#ff00ff"><b>(</b></font>{*~\)$</b></font><font color="#ff6060"><b>/</b></font>_C<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_{*~\)\<font color="#ff00ff"><b>(</b></font>.*\)</b></font><font color="#ff6060"><b>/</b></font>&lt;trailing garbage after command (rest of the line <font color="#00ff00"><b>\
</b></font>ignored)&gt;<font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

<font color="#00ffff"><b># 'C'ommand: skip blanks, try first address</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_C[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[ 	][ 	]*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_C\<font color="#ff00ff"><b>(</b></font>[^~]*~[0-9$/\]\)</b></font><font color="#ff6060"><b>/</b></font>_ad<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

<font color="#00ffff"><b># 'a'ddress</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_a[^~]*~\)\<font color="#ff00ff"><b>(</b></font>00*\)\<font color="#ff00ff"><b>(</b></font>[0-9]\)</b></font><font color="#ff6060"><b>/</b></font>&lt;useless leading 0&gt;<font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\1</b></font><font color="#00ff00"><b>\3</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_a\<font color="#ff00ff"><b>(</b></font>[^~]*~\)0</b></font><font color="#ff6060"><b>/</b></font>&lt;line 0 is a GNU extension&gt;0_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_a\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\\$</b></font><font color="#ff6060"><b>/</b></font>\\&lt;'newline' is not a valid delimiter&gt;_\\b'z<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_a\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\\\<font color="#ff00ff"><b>(</b></font>\\[^\]*\\\)</b></font><font color="#ff6060"><b>/</b></font>\\&lt;"\\" is not a valid delimiter&gt;<font color="#00ff00"><b>\2</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_a[^{~]*\<font color="#ff00ff"><b>(</b></font>{*~\)\\\<font color="#ff00ff"><b>(</b></font>\\.*\)</b></font><font color="#ff6060"><b>/</b></font>\\&lt;"\\" is not a valid delimiter&gt;<font color="#00ff00"><b>\2</b></font>&lt;missing <font color="#00ff00"><b>\
</b></font>delimiter&gt;_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_a\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\\\<font color="#ff00ff"><b>(</b></font>'*[^']\)</b></font><font color="#ff6060"><b>/</b></font>\\<font color="#00ff00"><b>\2</b></font>_b<font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_a\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\/</b></font><font color="#ff6060"><b>/</b></font>\/_b\/<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_a\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\$</b></font><font color="#ff6060"><b>/</b></font>$_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_a\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[1-9][0-9]*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_a.\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>.*\)</b></font><font color="#ff6060"><b>/</b></font>&lt;bad address (rest of line ignored)&gt;<font color="#00ff00"><b>\2</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

<font color="#00ffff"><b># 'd' is 1addr command, 'e' is 2addr command: try second address</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_d[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[ 	][ 	]*\),</b></font><font color="#ff6060"><b>/</b></font>&lt;no 'blank's allowed&gt;<font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\1</b></font>,<font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_d\<font color="#ff00ff"><b>(</b></font>[^~]*~\),\<font color="#ff00ff"><b>(</b></font>[ 	][ 	]*\)</b></font><font color="#ff6060"><b>/</b></font>,&lt;no 'blank's allowed&gt;<font color="#00ff00"><b>\2</b></font>_ae<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_d\<font color="#ff00ff"><b>(</b></font>[^~]*~\),</b></font><font color="#ff6060"><b>/</b></font>,_ae<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

<font color="#00ffff"><b># a function can be preceded by blanks and '!'s </b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_[cde][^~]*~\)\<font color="#ff00ff"><b>(</b></font>[ 	][ 	]*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_[Cde][^~]*~\)!\<font color="#ff00ff"><b>(</b></font>!*\)!</b></font><font color="#ff6060"><b>/</b></font>!&lt;multiple "!" not recommended&gt;<font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\1</b></font>!<font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_[Cde][^~]*~\)!\<font color="#ff00ff"><b>(</b></font>[ 	][ 	]*\)</b></font><font color="#ff6060"><b>/</b></font>!&lt;no 'blank's allowed after "!"&gt;<font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_[Cde][^~]*~\)!</b></font><font color="#ff6060"><b>/</b></font>!<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_C\<font color="#ff00ff"><b>(</b></font>[^~]*~.\)</b></font><font color="#ff6060"><b>/</b></font>_c<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

<font color="#00ffff"><b># 0addr and 1 addr messages </b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[de]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)$</b></font><font color="#ff6060"><b>/</b></font>&lt;missing command&gt;_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[de]\<font color="#ff00ff"><b>(</b></font>[^~]*~[:#}]\)</b></font><font color="#ff6060"><b>/</b></font>&lt;no addresses allowed&gt;_c<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_e\<font color="#ff00ff"><b>(</b></font>[^~]*~[aiqr=]\)</b></font><font color="#ff6060"><b>/</b></font>&lt;at most one address allowed&gt;_c<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

<font color="#00ffff"><b># no need to remember the number of addresses any longer</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[de]</b></font><font color="#ff6060"><b>/</b></font>_c<font color="#ff6060"><b>/</b></font>

<font color="#00ffff"><b># comment, empty command</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>#.*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\);</b></font><font color="#ff6060"><b>/</b></font>_<font color="#00ff00"><b>\1</b></font>;<font color="#ff6060"><b>/</b></font>

<font color="#00ffff"><b># {, }</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\){</b></font><font color="#ff6060"><b>/</b></font>{_C{<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\){</b></font><font color="#ff6060"><b>/</b></font>{_C{<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>^\<font color="#ff00ff"><b>(</b></font>[ 	]*[^ 	_][^_]*\)_c{\<font color="#ff00ff"><b>(</b></font>[^~]*~\)}</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\1</b></font>&lt;"}" should be preceded by a <font color="#00ff00"><b>\
</b></font>'newline'&gt;}_}<font color="#00ff00"><b>\2</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c{\<font color="#ff00ff"><b>(</b></font>[^~]*~\)}</b></font><font color="#ff6060"><b>/</b></font>}_}<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_}\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[ 	]*\);</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>&lt;";" not allowed after { ... } groups&gt;;_C<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_}\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[ 	]*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c~}</b></font><font color="#ff6060"><b>/</b></font>&lt;mismatched { ... }&gt;}_~<font color="#ff6060"><b>/</b></font>

<font color="#00ffff"><b># a\, i\, c\</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[aic]\\\)\<font color="#ff00ff"><b>(</b></font>[ 	][ 	]*\)$</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>&lt;trailing 'blank's&gt;<font color="#00ff00"><b>\3</b></font>_\\t<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[aic]\\\)$</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_\\t<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[aic]\\\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>&lt;'newline' expected&gt;_t<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[aic]\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>&lt;"\\'newline'" expected&gt;_t<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_t[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[^\][^\]*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_\<font color="#ff00ff"><b>(</b></font>t[^~]*~\)\\$</b></font><font color="#ff6060"><b>/</b></font>\\_\\<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_t[^~]*~\)\\\\</b></font><font color="#ff6060"><b>/</b></font>\\\\<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_t[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\\'*[^\']\)</b></font><font color="#ff6060"><b>/</b></font>&lt;useless "\\"&gt;<font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_t\<font color="#ff00ff"><b>(</b></font>[^~]*~\)$</b></font><font color="#ff6060"><b>/</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

<font color="#00ffff"><b># b, t, : - POSIX is quite unclear: are leading spaces and tabs allowed?</b></font>
<font color="#00ffff"><b># I assume here that zero or one leading space is OK, and anything else</b></font>
<font color="#00ffff"><b># doubtful.</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\):\<font color="#ff00ff"><b>(</b></font>[ 	]*[;#}]\)</b></font><font color="#ff6060"><b>/</b></font>:&lt;missing label&gt;_<font color="#00ff00"><b>\1</b></font><font color="#00ff00"><b>\2</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\):\<font color="#ff00ff"><b>(</b></font>[ 	]*\)$</b></font><font color="#ff6060"><b>/</b></font>:&lt;missing label&gt;_<font color="#00ff00"><b>\1</b></font><font color="#00ff00"><b>\2</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\):\<font color="#ff00ff"><b>(</b></font>[ 	][ 	]*\)</b></font><font color="#ff6060"><b>/</b></font>:&lt;'blank's not recommended here&gt;<font color="#00ff00"><b>\2</b></font>_l<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\):</b></font><font color="#ff6060"><b>/</b></font>:_l<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[bt]\)\<font color="#ff00ff"><b>(</b></font>[ 	]*\)$</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#00ff00"><b>\3</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[bt]\) </b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font> _l<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[bt]\)\<font color="#ff00ff"><b>(</b></font>[ 	]*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>&lt;single 'space' recommended here&gt;<font color="#00ff00"><b>\3</b></font>_l<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_l\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[^;#} 	]*\)\<font color="#ff00ff"><b>(</b></font>[;}#]\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>&lt;avoid "<font color="#00ff00"><b>\3</b></font>" in labels&gt;_<font color="#00ff00"><b>\1</b></font><font color="#00ff00"><b>\3</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_l\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[^;#} 	]*\)\<font color="#ff00ff"><b>(</b></font>[ 	]\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>&lt;avoid 'blank's in labels&gt;<font color="#00ff00"><b>\3</b></font>_C<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_l\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>'*[^']'*[^']'*[^']'*[^']'*[^']'*[^']'*[^']'*[^']\)\<font color="#ff00ff"><b>(</b></font>..*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>&lt;<font color="#00ff00"><b>\
</b></font>label more than 8 characters long&gt;<font color="#00ff00"><b>\3</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_l\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>.*\)\<font color="#ff00ff"><b>(</b></font>[ 	][ 	]*\)$</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>&lt;trailing 'blank's not <font color="#00ff00"><b>\
</b></font>recommended&gt;<font color="#00ff00"><b>\3</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_l\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>.*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

<font color="#00ffff"><b># d, D, g, G, h, H, l, n, N, p, P, q, x, =</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[dDgGhHlnNpPqx=]\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

<font color="#00ffff"><b># r, w</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[rw]\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_n<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_n\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[ 	][ 	]*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_m<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_n\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>..*\)</b></font><font color="#ff6060"><b>/</b></font>&lt;'blank's expected&gt;<font color="#00ff00"><b>\2</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_m\<font color="#ff00ff"><b>(</b></font>[^~]*~\)$</b></font><font color="#ff6060"><b>/</b></font>&lt;missing filename&gt;_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_m\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[^;#]*\)\<font color="#ff00ff"><b>(</b></font>[;#].*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>&lt;part of the filename&gt;<font color="#00ff00"><b>\3</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_m\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>..*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

<font color="#00ffff"><b># s, y</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\)s$</b></font><font color="#ff6060"><b>/</b></font>s&lt;'newline' is not a valid delimiter&gt;_\\b'zs'zS0<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\)y$</b></font><font color="#ff6060"><b>/</b></font>y&lt;'newline' is not a valid delimiter&gt;_\\y'zy'y<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\)s\<font color="#ff00ff"><b>(</b></font>\\[^\]*\\[^\]*\\\)</b></font><font color="#ff6060"><b>/</b></font>s&lt;"\\" is not a valid delimiter&gt;<font color="#00ff00"><b>\2</b></font>_S0<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\)y\<font color="#ff00ff"><b>(</b></font>\\[^\]*\\[^\]*\\\)</b></font><font color="#ff6060"><b>/</b></font>y&lt;"\\" is not a valid delimiter&gt;<font color="#00ff00"><b>\2</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[sy]\)\<font color="#ff00ff"><b>(</b></font>\\.*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>&lt;"\\" is not a valid delimiter&gt;<font color="#00ff00"><b>\3</b></font>&lt;missing <font color="#00ff00"><b>\
</b></font>delimiter&gt;_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\)s\<font color="#ff00ff"><b>(</b></font>'*[^']\)</b></font><font color="#ff6060"><b>/</b></font>s<font color="#00ff00"><b>\2</b></font>_b<font color="#00ff00"><b>\2</b></font>s<font color="#00ff00"><b>\2</b></font>S0<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\)y\<font color="#ff00ff"><b>(</b></font>'*[^']\)</b></font><font color="#ff6060"><b>/</b></font>y<font color="#00ff00"><b>\2</b></font>_y<font color="#00ff00"><b>\2</b></font>y<font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

<font color="#00ffff"><b># s right hand side and both sides of y</b></font>
<font color="#ff00ff"><b>:</b></font><font color="#ff00ff"><b><a name="sy">sy</a></b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_[sy]\/[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[^\/][^\/]*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[sy]\<font color="#ff00ff"><b>(</b></font>'*[^']\)\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\1</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\1</b></font>_<font color="#00ff00"><b>\2</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_\<font color="#ff00ff"><b>(</b></font>[sy][^~]*~\)\<font color="#ff00ff"><b>(</b></font>[^\]\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_?<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_\<font color="#ff00ff"><b>(</b></font>s\<font color="#ff00ff"><b>(</b></font>[1-9&amp;]\)[^~]*~\)\\\2</b></font><font color="#ff6060"><b>/</b></font>&lt;"\\<font color="#00ff00"><b>\2</b></font>" ambiguous with "<font color="#00ff00"><b>\2</b></font>" as delimiter<font color="#00ff00"><b>\
</b></font>&gt;\\<font color="#00ff00"><b>\2</b></font>_?<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_\<font color="#ff00ff"><b>(</b></font>[sy]\<font color="#ff00ff"><b>(</b></font>'*[^']\)[^~]*~\)\\\2</b></font><font color="#ff6060"><b>/</b></font>\\<font color="#00ff00"><b>\2</b></font>_?<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_\<font color="#ff00ff"><b>(</b></font>s[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\\[^1-9&amp;n\]\)</b></font><font color="#ff6060"><b>/</b></font>&lt;"<font color="#00ff00"><b>\2</b></font>" unspecified&gt;<font color="#00ff00"><b>\2</b></font>_?<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_\<font color="#ff00ff"><b>(</b></font>s[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\\n\)</b></font><font color="#ff6060"><b>/</b></font>&lt;"\\n" unspecified (use 'newline' instead)&gt;<font color="#00ff00"><b>\2</b></font>_?<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_\<font color="#ff00ff"><b>(</b></font>y[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\\[^n\]\)</b></font><font color="#ff6060"><b>/</b></font>&lt;"<font color="#00ff00"><b>\2</b></font>" unspecified&gt;<font color="#00ff00"><b>\2</b></font>_?<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_\<font color="#ff00ff"><b>(</b></font>[sy][^~]*~\)\<font color="#ff00ff"><b>(</b></font>\\'*.\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_?<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_\<font color="#ff00ff"><b>(</b></font>s[^~]*~\)\\$</b></font><font color="#ff6060"><b>/</b></font>\\_\\<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_\<font color="#ff00ff"><b>(</b></font>y[^~]*~\)\\$</b></font><font color="#ff6060"><b>/</b></font>&lt;"\\'newline'" invalid (use "\\n" instead)&gt;\\_\\<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_y'y\<font color="#ff00ff"><b>(</b></font>[^~]*~\)$</b></font><font color="#ff6060"><b>/</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[sy]'z\<font color="#ff00ff"><b>(</b></font>[^~]*~\)$</b></font><font color="#ff6060"><b>/</b></font>_\\<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_y'*[^']y'*[^']\<font color="#ff00ff"><b>(</b></font>[^~]*~\)$</b></font><font color="#ff6060"><b>/</b></font>&lt;missing delimiter&gt;_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[sy]'*[^']\<font color="#ff00ff"><b>(</b></font>[^~]*~\)$</b></font><font color="#ff6060"><b>/</b></font>&lt;missing delimiter&gt;_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[sy]</b></font><font color="#ff6060"><b>/</b></font> <font color="#ffff00"><b>t</b></font> <a href="#sy">sy</a>

<font color="#00ffff"><b># s flags</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_S[^~]*~\)p</b></font><font color="#ff6060"><b>/</b></font>p<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_S[01]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)g</b></font><font color="#ff6060"><b>/</b></font>g_S1<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_S0\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[0-9][0-9]*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_S2<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_S1[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[0-9][0-9]*\)</b></font><font color="#ff6060"><b>/</b></font>&lt;both "g" and "n" flags&gt;<font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_S2[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[0-9][0-9]*\)</b></font><font color="#ff6060"><b>/</b></font>&lt;multiple "n" flags&gt;<font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_S2[^~]*~\)g</b></font><font color="#ff6060"><b>/</b></font>&lt;both "g" and "n" flags&gt;g<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_S.\<font color="#ff00ff"><b>(</b></font>[^~]*~[ 	;#]\)</b></font><font color="#ff6060"><b>/</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_S.\<font color="#ff00ff"><b>(</b></font>[^~]*~\)$</b></font><font color="#ff6060"><b>/</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_S.\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[^pg0-9w]\)$</b></font><font color="#ff6060"><b>/</b></font>&lt;unknown flag&gt;<font color="#00ff00"><b>\2</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_S.\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[^pg0-9w].*\)</b></font><font color="#ff6060"><b>/</b></font>&lt;unknown flag (rest of line ignored)&gt;<font color="#00ff00"><b>\2</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_S.\<font color="#ff00ff"><b>(</b></font>[^~]*~\)w</b></font><font color="#ff6060"><b>/</b></font>w_n<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

<font color="#00ffff"><b># #</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>#.*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_c\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[^#; 	].*\)</b></font><font color="#ff6060"><b>/</b></font>&lt;unknown command (rest of line ignored)&gt;<font color="#00ff00"><b>\2</b></font>_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

<font color="#00ffff"><b># 'b'eginning of regexp</b></font>
<font color="#00ffff"><b># "*" is special unless at the beginning of the regex (after optional "^")</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_b\<font color="#ff00ff"><b>(</b></font>[^^][^~]*~\)^</b></font><font color="#ff6060"><b>/</b></font>^_b<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_b\<font color="#ff00ff"><b>(</b></font>[^*][^~]*~\)\*</b></font><font color="#ff6060"><b>/</b></font>*_r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_b</b></font><font color="#ff6060"><b>/</b></font>_r<font color="#ff6060"><b>/</b></font>

<font color="#00ffff"><b># 'r'egexp loop. state 'R' after a repeated symbol and 'B' inside a bracket</b></font>
<font color="#00ffff"><b># expression. </b></font>
<font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rB]</b></font><font color="#ff6060"><b>/</b></font> <font color="#ff6060"><b>{</b></font>

    <font color="#ff00ff"><b>:</b></font><font color="#ff00ff"><b><a name="reloop">reloop</a></b></font>
    <font color="#00ffff"><b># shortcut, when the delimiter is "/"</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>\/[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[^\/*$[][^\/*$[]*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>'*[^']\)\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\1</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\1</b></font>_<font color="#00ff00"><b>\2</b></font><font color="#ff6060"><b>/</b></font>

    <font color="#00ffff"><b># \x</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>\<font color="#ff00ff"><b>(</b></font>[n.(){1-9^$*[]\)[^~]*~\)\\\2</b></font><font color="#ff6060"><b>/</b></font>&lt;"\\<font color="#00ff00"><b>\2</b></font>" ambiguous with "<font color="#00ff00"><b>\2</b></font>" as <font color="#00ff00"><b>\
</b></font>delimiter&gt;_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>\<font color="#ff00ff"><b>(</b></font>'*[^']\)[^~]*~\)\\\2</b></font><font color="#ff6060"><b>/</b></font>\\<font color="#00ff00"><b>\2</b></font>_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\\[^n.\*^$(){1-9?+[]\)</b></font><font color="#ff6060"><b>/</b></font>&lt;"<font color="#00ff00"><b>\2</b></font>" undefined&gt;<font color="#00ff00"><b>\2</b></font>_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\\?</b></font><font color="#ff6060"><b>/</b></font>&lt;"\\?" undefined (use "\\{0,1\\}" instead)&gt;\\?_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\\+</b></font><font color="#ff6060"><b>/</b></font>&lt;"\\+" undefined (use "\\{1,\\}" instead)&gt;\\+_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\\[n.\*^$1-9)[]\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\\<font color="#ff00ff"><b>(</b></font>\^</b></font><font color="#ff6060"><b>/</b></font>\\(&lt;subexpression anchoring is optional (use <font color="#00ff00"><b>\
</b></font>"\\^" instead)&gt;^_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\\<font color="#ff00ff"><b>(</b></font>\*</b></font><font color="#ff6060"><b>/</b></font>\\(*_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\\<font color="#ff00ff"><b>(</b></font></b></font><font color="#ff6060"><b>/</b></font>\\(_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

    <font color="#00ffff"><b># \{...\}</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\\{\)\<font color="#ff00ff"><b>(</b></font>[^0-9]\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>&lt;bad interval&gt;<font color="#00ff00"><b>\3</b></font>_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\\{[0-9][0-9]*\)\<font color="#ff00ff"><b>(</b></font>[^\,0-9]\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>&lt;bad interval&gt;<font color="#00ff00"><b>\3</b></font>_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\\{[0-9][0-9]*\)\<font color="#ff00ff"><b>(</b></font>\\[^}]\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>&lt;bad interval&gt;<font color="#00ff00"><b>\3</b></font>_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\\{[0-9][0-9]*,\)\<font color="#ff00ff"><b>(</b></font>[^\0-9]\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>&lt;bad interval&gt;<font color="#00ff00"><b>\3</b></font>_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\\{[0-9][0-9]*,[0-9][0-9]*\)\<font color="#ff00ff"><b>(</b></font>[^\0-9]\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>&lt;bad <font color="#00ff00"><b>\
</b></font>interval&gt;<font color="#00ff00"><b>\3</b></font>_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\\{[0-9][0-9]*,[0-9][0-9]*\)\<font color="#ff00ff"><b>(</b></font>\\[^}]\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>&lt;bad <font color="#00ff00"><b>\
</b></font>interval&gt;<font color="#00ff00"><b>\3</b></font>_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_R\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\\{[^}]*}\)</b></font><font color="#ff6060"><b>/</b></font>&lt;multiple "*" or intervals&gt;<font color="#00ff00"><b>\2</b></font>_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_r\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\\{[^}]*}\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_?R<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

    <font color="#00ffff"><b># entering a bracket expression</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\[^^]\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_B<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\[^]\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_B<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\[^\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_B<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\[\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_B<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

    <font color="#00ffff"><b># bracket expression</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_B[^~]*~\)\<font color="#ff00ff"><b>(</b></font>[^]\[][^]\[]*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_B[^~]*~\)\\n</b></font><font color="#ff6060"><b>/</b></font>&lt;"\\n" ambiguous (use "n\\" instead)&gt;\\n<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_B[^~]*~\)\\\<font color="#ff00ff"><b>(</b></font>[^n]\)</b></font><font color="#ff6060"><b>/</b></font>\\<font color="#00ff00"><b>\1</b></font><font color="#00ff00"><b>\2</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_\<font color="#ff00ff"><b>(</b></font>B[^~]*~\)\\$</b></font><font color="#ff6060"><b>/</b></font>&lt;"\\'newline'" not allowed&gt;\\_\\<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_B[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\[[.=:].[^]]*]\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>_B[^~]*~\)\[\<font color="#ff00ff"><b>(</b></font>[^.=:]\)</b></font><font color="#ff6060"><b>/</b></font>[<font color="#00ff00"><b>\1</b></font><font color="#00ff00"><b>\2</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_B\<font color="#ff00ff"><b>(</b></font>[^~]*~\)]</b></font><font color="#ff6060"><b>/</b></font>]_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

    <font color="#00ffff"><b># *</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_R\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\*</b></font><font color="#ff6060"><b>/</b></font>&lt;multiple "*" or intervals&gt;*_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_r\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\*</b></font><font color="#ff6060"><b>/</b></font>*_?R<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

    <font color="#00ffff"><b># $</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>\$\\)\)</b></font><font color="#ff6060"><b>/</b></font>&lt;subexpression anchoring is optional (use <font color="#00ff00"><b>\
</b></font>"\\$" instead)&gt;<font color="#00ff00"><b>\2</b></font>_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\$</b></font><font color="#ff6060"><b>/</b></font>$_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

    <font color="#00ffff"><b># \&lt;newline&gt;</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]'z\<font color="#ff00ff"><b>(</b></font>[^~]*~\)$</b></font><font color="#ff6060"><b>/</b></font>_\\<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rRB][^{~]*\<font color="#ff00ff"><b>(</b></font>{*~\)$</b></font><font color="#ff6060"><b>/</b></font>&lt;missing delimiter&gt;_<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\\$</b></font><font color="#ff6060"><b>/</b></font>&lt;"\\'newline'" not allowed (use "\\n" <font color="#00ff00"><b>\
</b></font>instead)&gt;\\_\\r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

    <font color="#00ffff"><b># any other character</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rR]\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>.\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font>_?r<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>

    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_?</b></font><font color="#ff6060"><b>/</b></font>_<font color="#ff6060"><b>/</b></font>
    <font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_[rRB]</b></font><font color="#ff6060"><b>/</b></font> <font color="#ffff00"><b>t</b></font> <a href="#reloop">reloop</a>
<font color="#ff6060"><b>}</b></font>

<font color="#00ffff"><b># force re-cycle</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_?</b></font><font color="#ff6060"><b>/</b></font>_<font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>t</b></font> <a href="#loop">loop</a>

<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\n</b></font><font color="#ff6060"><b>/</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>g</b></font>

<font color="#00ffff"><b># end of line not reached by the parser?</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>_\<font color="#ff00ff"><b>(</b></font>[^~]*~\)\<font color="#ff00ff"><b>(</b></font>..*\)</b></font><font color="#ff6060"><b>/</b></font>&lt;syntax error (rest of line ignored)&gt;<font color="#00ff00"><b>\2</b></font>_C~<font color="#ff6060"><b>/</b></font>

<font color="#00ffff"><b># update state in the hold buffer, removing any leading \ in the state</b></font>
<font color="#00ffff"><b># (these are used to control when a command can extend to the next line) </b></font>
<font color="#ffff00"><b>G</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>[^_]*\)_\\*\<font color="#ff00ff"><b>(</b></font>.*\)\<font color="#ff00ff"><b>(</b></font>\n\)[^~]*~\<font color="#ff00ff"><b>(</b></font>.*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font><font color="#00ff00"><b>\4</b></font><font color="#00ff00"><b>\3</b></font><font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>h</b></font>
<font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>&lt;</b></font><font color="#ff6060"><b>/</b></font> <font color="#ff6060"><b>!</b></font><font color="#ffff00"><b>b</b></font> <a href="#noerror">noerror</a>

<font color="#ff00ff"><b>:</b></font><font color="#ff00ff"><b><a name="error">error</a></b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>[^~]*~\<font color="#ff00ff"><b>(</b></font>[0-9]*\)[^&lt;]*&lt;\<font color="#ff00ff"><b>(</b></font>[^&gt;]*\).*</b></font><font color="#ff6060"><b>/</b></font>line <font color="#00ff00"><b>\1</b></font>: <font color="#00ff00"><b>\2</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>'\<font color="#ff00ff"><b>(</b></font>[^']*\)'</b></font><font color="#ff6060"><b>/</b></font>&lt;<font color="#00ff00"><b>\1</b></font>&gt;<font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>g</b></font>
<font color="#ffff00"><b>p</b></font>
<font color="#ffff00"><b>g</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>.*\n</b></font><font color="#ff6060"><b>/</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>&lt;[^&gt;]*&gt;</b></font><font color="#ff6060"><b>/</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>g</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>'.</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>&amp;</b></font>'a_b&lt;c&gt;d~e,<font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>g</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>'\<font color="#ff00ff"><b>(</b></font>.\)[^,]*\<font color="#ff00ff"><b>(</b></font>[^,]\)\1[^,]*,</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\2</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>g</b></font>
<font color="#ffff00"><b>p</b></font>
<font color="#ffff00"><b>g</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>.*\n</b></font><font color="#ff6060"><b>/</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>[^&lt;]*\)&lt;.*</b></font><font color="#ff6060"><b>/</b></font>&gt;<font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ff00ff"><b>:</b></font><font color="#ff00ff"><b><a name="tospace">tospace</a></b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>&gt;'*[^	]</b></font><font color="#ff6060"><b>/</b></font> &gt;<font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>&gt;\<font color="#ff00ff"><b>(</b></font>		*\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\1</b></font>&gt;<font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>&gt;$</b></font><font color="#ff6060"><b>/</b></font>^<font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>p</b></font>
<font color="#ffff00"><b>t</b></font> <a href="#tospace">tospace</a>
<font color="#ffff00"><b>g</b></font>
<font color="#00ffff"><b># remove first issue and increment issue count</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>&lt;[^&gt;]*&gt;</b></font><font color="#ff6060"><b>/</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\<font color="#ff00ff"><b>(</b></font>.\)\<font color="#ff00ff"><b>(</b></font>9*\)\<font color="#ff00ff"><b>(</b></font>+[0-8]*\1\<font color="#ff00ff"><b>(</b></font>[0-9]0*\)[0-9]*\2\<font color="#ff00ff"><b>(</b></font>0*\).*\n\)</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\4</b></font><font color="#00ff00"><b>\5</b></font><font color="#00ff00"><b>\3</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>h</b></font>
<font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>&lt;</b></font><font color="#ff6060"><b>/</b></font> <font color="#ffff00"><b>b</b></font> <a href="#error">error</a>

<font color="#ff00ff"><b>:</b></font><font color="#ff00ff"><b><a name="noerror">noerror</a></b></font>
<font color="#00ffff"><b># remove the line from the future hold buffer</b></font>
<font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>\n.*</b></font><font color="#ff6060"><b>/</b></font><font color="#ff6060"><b>/</b></font>
<font color="#ffff00"><b>h</b></font>

<font color="#8080ff"><b>$</b></font> <font color="#ff6060"><b>!</b></font><font color="#ffff00"><b>d</b></font>

<font color="#00ffff"><b># if the issue count is not null, report it.</b></font>
<font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>[^~]*~[^,]*,\<font color="#ff00ff"><b>(</b></font>[1-9][0-9]*\).*</b></font><font color="#ff6060"><b>/</b></font> <font color="#ff6060"><b>{</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\1</b></font> issues reported.<font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>s</b></font><font color="#ff6060"><b>/</b></font><font color="#8080ff"><b>^\<font color="#ff00ff"><b>(</b></font>1 issue\)s</b></font><font color="#ff6060"><b>/</b></font><font color="#00ff00"><b>\1</b></font><font color="#ff6060"><b>/</b></font>
    <font color="#ffff00"><b>q</b></font>
<font color="#ff6060"><b>}</b></font>
<font color="#ffff00"><b>d</b></font>



<font color="#00ffff"><b>### colorized by <a href="https://aurelio.net/projects/sedsed/">sedsed</a>, a debugger and code formatter for sed scripts</b></font>

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