wcs	    {return $WCS_}
wcsa	    {return $WCSA_}
wcsb	    {return $WCSB_}
wcsc	    {return $WCSC_}
wcsd	    {return $WCSD_}
wcse	    {return $WCSE_}
wcsf	    {return $WCSF_}
wcsg	    {return $WCSG_}
wcsh	    {return $WCSH_}
wcsi	    {return $WCSI_}
wcsj	    {return $WCSJ_}
wcsk	    {return $WCSK_}
wcsl	    {return $WCSL_}
wcsm	    {return $WCSM_}
wcsn	    {return $WCSN_}
wcso	    {return $WCSO_}
wcsp	    {return $WCSP_}
wcsq	    {return $WCSQ_}
wcsr	    {return $WCSR_}
wcss	    {return $WCSS_}
wcst	    {return $WCST_}
wcsu	    {return $WCSU_}
wcsv	    {return $WCSV_}
wcsw	    {return $WCSW_}
wcsx	    {return $WCSX_}
wcsy	    {return $WCSY_}
wcsz	    {return $WCSZ_}

image	    {return $IMAGE_}
physical    {return $PHYSICAL_}
amplifier   {return $AMPLIFIER_}
detector    {return $DETECTOR_}

fk4	    {return $FK4_}
b1950	    {return $FK4_}
fk5	    {return $FK5_}
j2000	    {return $FK5_}
galactic    {return $GALACTIC_}
ecliptic    {return $ECLIPTIC_}

# SEXAGESIMAL
[+-]?{D}+:{D}+:{D}+"."? |
[+-]?{D}+:{D}+:{D}*"."{D}+ {set yylval $yytext; return $SEXSTR_}

# HMS
[+-]?{D}+h{D}+m{D}+"."?s |
[+-]?{D}+h{D}+m{D}*"."{D}+s {set yylval $yytext; return $HMSSTR_}

# DMS
[+-]?{D}+d{D}+m{D}+"."?s |
[+-]?{D}+d{D}+m{D}*"."{D}+s {set yylval $yytext; return $SMSSTR_}