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//'winc' function allows buttons to be added toolbar

winc('User:Omegatron/monobook.js/addlink.js');

function pagefix() {
    var txt = document.editform.wpTextbox1;

    // Convert degree symbols into ° symbol, ensure preceding space
    txt.value = txt.value.replace(/°/g, '°');
    txt.value = txt.value.replace(/º/g, '°');
    txt.value = txt.value.replace(/°\s?([CF])/g, '°$1');
    txt.value = txt.value.replace(/°\s?(celsius)/gi, '°C');
    txt.value = txt.value.replace(/(\d)\s?(°[CF])/g, '$1 $2');
    //Fix spelling error
    txt.value = txt.value.replace(/celcius/gi, 'Celsius');
    //Fix common naming error (be careful with this one)
    txt.value = txt.value.replace(/centigrade/gi, 'Celsius');

    // Convert &sup into superscript ² symbol
    txt.value = txt.value.replace(/²/g, '²');
    txt.value = txt.value.replace(/³/g, '³');
    
    // Convert cubic inches into in³
    txt.value = txt.value.replace(/(\d)\s?cu[\s\-\.]in/gi, '$1 in³');

    // Convert the word ohm(s) or the html entity into the actual Ω symbol (Omega, not the actual ohm symbol Ω) and make sure it is spaced
    txt.value = txt.value.replace(/(\d)\s?(Y|Z|E|P|T|G|M|k|K|h|da|d|c|m|µ|μ|µ|n|p|f|a|z|y)?\s?(Ω|ohm|Ohm)s?([\s,.;:\)\(\\/)])/g, '$1 $2Ω$4');

    // Convert various micro symbols into the actual micro symbol, make sure it is spaced
    txt.value = txt.value.replace(/(\d)\s?(μ|μ|µ)(g|s|m|A|K|mol|cd|rad|sr|Hz|N|J|W|Pa|lm|lx|C|V|Ω|F|Wb|T|H|S|Bq|Gy|Sv|kat|M)([\s,.;:\)\(\\/)])/g, '$1 µ$3$4');

    // Convert capital K to lowercase k in units
    txt.value = txt.value.replace(/(\d)\s?K(g|s|m|A|K|mol|cd|rad|sr|Hz|N|J|W|Pa|lm|lx|C|V|Ω|F|Wb|T|H|S|Bq|Gy|Sv|kat|M)([\s,.;:\)\(\\/)])/g, '$1 k$2$3');
    txt.value = txt.value.replace(/(\d)\-K(g|s|m|A|K|mol|cd|rad|sr|Hz|N|J|W|Pa|lm|lx|C|V|Ω|F|Wb|T|H|S|Bq|Gy|Sv|kat|M)([\s,.;:\)\(\\/)])/g, '$1 k$2$3');
    txt.value = txt.value.replace(/(\d) K(g|s|m|A|K|mol|cd|rad|sr|Hz|N|J|W|Pa|lm|lx|C|V|Ω|F|Wb|T|H|S|Bq|Gy|Sv|kat|M)([\s,.;:\)\(\\/)])/g, '$1 k$2$3');

    // Hertz
    txt.value = txt.value.replace(/(\d)\s?(Y|Z|E|P|T|G|M|k|K|h|da|d|c|m|µ|μ|µ|n|p|f|a|z|y)?hz/gi, '$1 $2Hz');
    txt.value = txt.value.replace(/(\d)\-(Y|Z|E|P|T|G|M|k|K|h|da|d|c|m|µ|μ|µ|n|p|f|a|z|y)?hz/gi, '$1 $2Hz');

    // Fix kilometres
    txt.value = txt.value.replace(/(\d)\s?kms?([\s,.;:\)\(\\/)])/gi, '$1 km$2');
    txt.value = txt.value.replace(/(\d)\-kms?([\s,.;:\)\(\\/)])/gi, '$1 km$2');
    txt.value = txt.value.replace(/(\d) kms?([\s,.;:\)\(\\/)])/gi, '$1 km$2');

    // Standardise kilometres per hour
    txt.value = txt.value.replace(/km\/hr/gi, 'km/h');
    txt.value = txt.value.replace(/kph/gi, 'km/h');
    txt.value = txt.value.replace(/kmph/gi, 'km/h');
    txt.value = txt.value.replace(/(\d)\s?kmh/gi, '$1 km/h');
    txt.value = txt.value.replace(/km\/h/gi, 'km/h');
    txt.value = txt.value.replace(/(\d)\s?km\/h/gi, '$1 km/h');
    txt.value = txt.value.replace(/(\d)\-km\/h/gi, '$1 km/h');
    txt.value = txt.value.replace(/(\d) km\/h/gi, '$1 km/h');

    // Standardise 'per second'
    txt.value = txt.value.replace(/ft\/second/gi, 'ft/s');
    txt.value = txt.value.replace(/ft\/sec/gi, 'ft/s');
    txt.value = txt.value.replace(/m\/second/gi, 'm/s');
    txt.value = txt.value.replace(/m\/sec/gi, 'm/s');

    // Space before horsepower symbol
    txt.value = txt.value.replace(/(\d)\s?hp/gi, '$1 hp');
    txt.value = txt.value.replace(/(\d)\s?bhp/gi, '$1 bhp');
    txt.value = txt.value.replace(/(\d)\s?shp/gi, '$1 shp');

    // Space before units
    txt.value = txt.value.replace(/(\d)\s?cc([\s,.;:\)\(\\/)])/gi, '$1 cc$2');
    txt.value = txt.value.replace(/(\d)\-cc([\s,.;:\)\(\\/)])/gi, '$1 cc$2');
    txt.value = txt.value.replace(/(\d)\s?ft([\s,.;:\)\(\\/)])/gi, '$1 ft$2');
    txt.value = txt.value.replace(/(\d)\s?in([\s,.;:\)\(\\/)])/gi, '$1 in$2');
    txt.value = txt.value.replace(/(\d)\s?ft²([\s,.;:\)\(\\/)])/gi, '$1 ft²$2');
    txt.value = txt.value.replace(/(\d)\-ft([\s,.;:\)\(\\/)])/gi, '$1 ft$2');
    txt.value = txt.value.replace(/(\d)\s?rpm/gi, '$1 rpm');
    txt.value = txt.value.replace(/(\d)\-rpm/gi, '$1 rpm');
    txt.value = txt.value.replace(/(\d)\s?kg([\s,.;:\)\(\\/)])/gi, '$1 kg$2');
    txt.value = txt.value.replace(/(\d)\-kg([\s,.;:\)\(\\/)])/gi, '$1 kg$2');
    //space before 'm' only when lower case
    txt.value = txt.value.replace(/(\d)\s?m([\s,.;:\)\(\\/)])/g, '$1 m$2');
    txt.value = txt.value.replace(/(\d)\s?m²([\s,.;:\)\(\\/)])/g, '$1 m²$2');
    txt.value = txt.value.replace(/(\d)\-m([\s,.;:\)\(\\/)])/g, '$1 m$2');
    //txt.value = txt.value.replace(/(\d)\s?ml([\s,.;:\)\(\\/)])/g, '$1 ml$2');
    //txt.value = txt.value.replace(/(\d)\-ml([\s,.;:\)\(\\/)])/g, '$1 ml$2');
    txt.value = txt.value.replace(/(\d)\s?m(\W)/g, '$1 m$2');
    txt.value = txt.value.replace(/(\d)\s?m(\w?\W)/g, '$1 m$2');

    // miles per hour
    txt.value = txt.value.replace(/m\.p\.h\./gi, 'mph');
    txt.value = txt.value.replace(/mph([\s,.;:\)\(\\/)])/gi, 'mph$1');
    txt.value = txt.value.replace(/(\d)\s?mph/gi, '$1 mph');
    txt.value = txt.value.replace(/(\d)\-mph/gi, '$1 mph');

    // Standardise symbol for pounds
    txt.value = txt.value.replace(/(\d)\s?lbs?/gi, '$1 lb');
    txt.value = txt.value.replace(/(\d\+?)\s?lbs?/gi, '$1 lb');
    txt.value = txt.value.replace(/(\d) lbs?/gi, '$1 lb');
    txt.value = txt.value.replace(/(\d)\s?(\[\[lbs\]\])/gi, '$1 \[\[Pound (mass)|lb\]\]');

    // Standardise symbol for newton metres
    //txt.value = txt.value.replace(/(N•m)/gi, 'N·m');

    // Standardise symbol for kilowatts
    //txt.value = txt.value.replace(/(\d)\s?kW([\s,.;:\)\(\\/)])/gi, '$1 kW$2');
    //txt.value = txt.value.replace(/(\d)\-kW([\s,.;:\)\(\\/)])/gi, '$1 kW$2');

    // Standardise symbol for foot pounds
    txt.value = txt.value.replace(/ft[ -.·•\/]lb[fs]/gi, 'ft·lbf');
    txt.value = txt.value.replace(/ft[ -.·•\/]lbf/gi, 'ft·lbf');
    txt.value = txt.value.replace(/ft[ -.·•\/]lbff/gi, 'ft·lbf');
    //the next two suspended until solution is found for wing loading (i.e. pounds per square foot)
    //txt.value = txt.value.replace(/lb[fs][ -.•\/]ft/gi, 'ft·lbf');
    //txt.value = txt.value.replace(/lb[ -.•\/]ft/gi, 'ft·lbf');

    // Symbols for feet and inches
    txt.value = txt.value.replace(/([^;°]\s)(\d{1,4})\s?['’]\s?(\d{1,2})\s?["”]/gi, '$1$2 ft $3 in');

    // Give digital value a percent symbol '%' instead of word
    txt.value = txt.value.replace(/(\d)\s?per ?cent([^aei])/gi, '$1%$2');
    txt.value = txt.value.replace(/(\d)\-per ?cent([^aei])/gi, '$1%$2');

    // Add a space before dB
    txt.value = txt.value.replace(/(\d)\s?(dB)\b/g, '$1 $2');

    // Add a space before several units that were missed before
    //txt.value = txt.value.replace(/(\d)\s?(G|M|k|K|h|da|d|c|m|µ|n)?(g|m|Hz|N|W|Pa|V|Ω|F|)([\s,.;:\)\(\\/)])/g, '$1 $2$3$4');

    // bps or b/s or bits/s --> bit/s
    txt.value = txt.value.replace(/([KkMmGgTtPpEeYyZz])(bps|bits?\/s|b\/s)/g, '$1bit/s');
    txt.value = txt.value.replace(/(\d)\s?(bps)/gi, '$1 bit/s');

    // Bps or byte/s or bytes/s --> B/s
    txt.value = txt.value.replace(/([KkMmGgTtPpEeYyZz])(Bps|bytes?\/s)/g, ' $1B/s');

    // Make capitalization correct
    txt.value = txt.value.replace(/K(bit|B)\/s/g, 'k$1/s');
    txt.value = txt.value.replace(/m(bit|B)\/s/g, 'M$1/s');
    txt.value = txt.value.replace(/g(bit|B)\/s/g, 'G$1/s');

    // Ensure space is used
    txt.value = txt.value.replace(/(\d)\s?(k|M|G)(bit|B)/g, '$1 $2$3');

    // Common error
    txt.value = txt.value.replace(/mibi(bit|byte)/g, 'mebi$1');

    // century without AD,BC etc
    txt.value = txt.value.replace(/\[\[(\d{1,2}(?:st|nd|rd|th))[ \-]century\]\]/gi, '$1 century');
    txt.value = txt.value.replace(/\[\[\d{1,2}(?:st|nd|rd|th)[ \-]century\|(\d{1,2}(?:st|nd|rd|th))\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[\d{1,2}(?:st|nd|rd|th)[ \-]century\|(\d{1,2}(?:st|nd|rd|th))[ \-]century\]\]/gi, '$1 century');
    txt.value = txt.value.replace(/\[\[\d{1,2}(?:st|nd|rd|th)[ \-]century\|(\d{1,2}(?:st|nd|rd|th))[ \-]centuries\]\]/gi, '$1 centuries');
    // century with AD,BC etc
    txt.value = txt.value.replace(/\[\[(\d{1,2}(?:st|nd|rd|th))[ \-]century\s(AD|BC|CE|BCE)\]\]/gi, '$1 century $2');
    txt.value = txt.value.replace(/\[\[\d{1,2}(?:st|nd|rd|th)[ \-]century\|(\d{1,2}(?:st|nd|rd|th))[ \-]century\s(AD|BC|CE|BCE)\]\]/gi, '$1 century $2');
    txt.value = txt.value.replace(/\[\[\d{1,2}(?:st|nd|rd|th)[ \-]century\|(\d{1,2}(?:st|nd|rd|th))[ \-]centuries\s(AD|BC|CE|BCE)\]\]/gi, '$1 centuries $2');

    // piped decades and years
    txt.value = txt.value.replace(/\[\[(\d{1,4}'?s)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[(\d{1,4}s? (?:AD|BC|CE|BCE))\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[\d{1,4}s? (?:AD|BC|CE|BCE)\|(\d{1,4})\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[\d{1,4}s? (?:AD|BC|CE|BCE)\|(\d{1,4}s? (?:AD|BC|CE|BCE))\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[\d{1,4}s?\|(\d{1,4}s? (?:AD|BC|CE|BCE))\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[\d{1,4}s?\|(\d{1,2}s?)\]\]/gi, '$1');

    // months
    txt.value = txt.value.replace(/\[\[(January|February|March|April|May|June|July|August|September|October|November|December)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[January\|(Jan)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[February\|(Feb)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[March\|(Mar)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[April\|(Apr)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[May\|(May)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[June\|(Jun)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[July\|(Jul)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[August\|(Aug)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[September\|(Sep)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[October\|(Oct)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[November\|(Nov)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[December\|(Dec)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[((?:January|February|March|April|May|June|July|August|September|October|November|December) \d{3,4})\]\]/gi, '$1');

    //Month+day_number "March 7th" -> "March 7"
    txt.value = txt.value.replace(/\[\[(January|February|March|April|May|June|July|August|September|October|November|December) (\d?\d)(?:th|st|nd|rd)\]\]/gi, '\[\[$1 $2\]\]');
    txt.value = txt.value.replace(/\[\[((?:January|February|March|April|May|June|July|August|September|October|November|December) \d?\d)\]\](?:th|st|nd|rd)/gi, '\[\[$1\]\]');
    txt.value = txt.value.replace(/\[\[(\d?\d)(?:th|st|nd|rd) (January|February|March|April|May|June|July|August|September|October|November|December)\]\]/gi, '\[\[$1 $2\]\]');

    //Month+day_number piped into number. Preferences do not work. They don't work in sequence because digits in the two dates must be adjacent
    txt.value = txt.value.replace(/([^\[]{4})\[\[((?:January|February|March|April|May|June|July|August|September|October|November|December) \d?\d)\]\](\s?\-?\s?)\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}\|(\d{1,2})\]\]/gi, '$1$2$3$4');
    //same again but with ndash or mdash instead of hyphen
    txt.value = txt.value.replace(/([^\[]{4})\[\[((?:January|February|March|April|May|June|July|August|September|October|November|December) \d?\d)\]\](\s?&[nm]dash;\s?)\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}\|(\d{1,2})\]\]/gi, '$1$2$3$4');
    //same again but with slash instead of hyphen
    txt.value = txt.value.replace(/([^\[]{4})\[\[((?:January|February|March|April|May|June|July|August|September|October|November|December) \d?\d)\]\](\/)\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}\|(\d{1,2})\]\]/gi, '$1$2$3$4');

    txt.value = txt.value.replace(/([^\[]{4})\[\[((?:January|February|March|April|May|June|July|August|September|October|November|December) \d?\d)\]\](\s?\-?\s?)\[\[(\d{1,2})\]\]/gi, '$1$2$3$4');
    //same again but with ndash instead of hyphen
    txt.value = txt.value.replace(/([^\[]{4})\[\[((?:January|February|March|April|May|June|July|August|September|October|November|December) \d?\d)\]\](\s?&[nm]dash;\s?)\[\[(\d{1,2})\]\]/gi, '$1$2$3$4');
    //same again but with slash instead of hyphen
    txt.value = txt.value.replace(/([^\[]{4})\[\[((?:January|February|March|April|May|June|July|August|September|October|November|December) \d?\d)\]\](\/)\[\[(\d{1,2})\]\]/gi, '$1$2$3$4');

    txt.value = txt.value.replace(/([^\[]{4})\[\[(\d?\d) (?:January|February|March|April|May|June|July|August|September|October|November|December)\]\](\s?\-?\s?)\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}\|(\d{1,2})\]\]/gi, '$1$2$3$4');
    //same again but with ndash instead of hyphen
    txt.value = txt.value.replace(/([^\[]{4})\[\[(\d?\d) (?:January|February|March|April|May|June|July|August|September|October|November|December)\]\](\s?&[nm]dash;\s?)\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}\|(\d{1,2})\]\]/gi, '$1$2$3$4');
    //same again but with slash instead of hyphen
    txt.value = txt.value.replace(/([^\[]{4})\[\[(\d?\d) (?:January|February|March|April|May|June|July|August|September|October|November|December)\]\](\/)\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}\|(\d{1,2})\]\]/gi, '$1$2$3$4');

    txt.value = txt.value.replace(/([^\[]{4})\[\[(\d?\d) (?:January|February|March|April|May|June|July|August|September|October|November|December)\]\](\s?\-?\s?)\[\[(\d{1,2})\]\]/gi, '$1$2$3$4');
    //same again but with ndash instead of hyphen
    txt.value = txt.value.replace(/([^\[]{4})\[\[(\d?\d) (?:January|February|March|April|May|June|July|August|September|October|November|December)\]\](\s?&[nm]dash;\s?)\[\[(\d{1,2})\]\]/gi, '$1$2$3$4');
    //same again but with slash instead of hyphen
    txt.value = txt.value.replace(/([^\[]{4})\[\[(\d?\d) (?:January|February|March|April|May|June|July|August|September|October|November|December)\]\](\/)\[\[(\d{1,2})\]\]/gi, '$1$2$3$4');

    txt.value = txt.value.replace(/\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}\|(\d{1,2})\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[\d{1,2} (?:January|February|March|April|May|June|July|August|September|October|November|December)\|(\d{1,2})\]\]/gi, '$1');

    txt.value = txt.value.replace(/\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}\|((?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s\d{1,2})\]\]/gi, '$1');


    // solitary day_numbers
    txt.value = txt.value.replace(/\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}\|(\d{1,2}(?:th|st|nd|rd))\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[\d{1,2} (?:January|February|March|April|May|June|July|August|September|October|November|December)\|(\d{1,2}(?:th|st|nd|rd))\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[(\d{1,2}(?:st|nd|rd|th))\]\]/gi, '$1');

    // days of the week in full. Optional plurals
    txt.value = txt.value.replace(/\[\[(Mondays?|Tuesdays?|Wednesdays?|Thursdays?|Fridays?|Saturdays?|Sundays?)\]\]/gi, '$1');
    // days of the week abbreviated. Leave out 'Sun' as potentially valid link to the Sun. Leave out 'SAT' in upper case as potential link to 'Scholastic achievement/aptitude test'.
    txt.value = txt.value.replace(/\[\[(Mon|Tue|Tues|Wed|Thu|Thur|Thurs|Fri)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[(Sat)\]\]/g, '$1');
    txt.value = txt.value.replace(/\[\[Mondays?\|(Mondays?)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[Tuesdays?\|(Tuesdays?)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[Wednesdays?\|(Wednesdays?)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[Thursdays?\|(Thursdays?)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[Fridays?\|(Fridays?)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[Saturdays?\|(Saturdays?)\]\]/gi, '$1');
    txt.value = txt.value.replace(/\[\[Sundays?\|(Sundays?)\]\]/gi, '$1');

    //4 digit years piped into 2
    txt.value = txt.value.replace(/\[\[\d{1,4}\|(\d{1,2})\]\]/gi, '$1');

    //year: examine characters in link on left for date, examine characters in link on right for date
    txt.value = txt.value.replace(/((?:[^yhletramub\s]..|[^rcianlse\d\s].|[^yhletr\d])\]\]\s?,?\-?\s?)\[\[(\d{1,4})\]\](\s?,?\-?\s?\[\[(?:[^jfmasond\d]|.[^aepuco\d\s]|..[^jfmasondbrylgptvc \s\-]))/gi, '$1$2$3');
    //year pair: examine characters in link on left for date, examine characters in link on right for date
    txt.value = txt.value.replace(/((?:[^yhletramub\s]..|[^rcianlse\d\s].|[^yhletr\d])\]\]\s?,?\-?\s?)\[\[(\d{1,4})\]\](.?.?.?.?.?.?)\[\[(\d{1,4})\]\](\s?,?\-?\s?\[\[(?:[^jfmasond\d]|.[^aepuco\d\s]|..[^jfmasondbrylgptvc\s\-]))/gi, '$1$2$3$4$5');

    //year: examine characters in link on left for date, avoid links on right
    txt.value = txt.value.replace(/((?:[^yhletramub\s]..|[^rcianlse\d\s].|[^yhletr\d])\]\]\s?,?\-?\s?)\[\[(\d{1,4})\]\]([^\[]{4})/gi, '$1$2$3');
    //year pair: examine characters in link on left for date, avoid links on right
    txt.value = txt.value.replace(/((?:[^yhletramub\s]..|[^rcianlse\d\s].|[^yhletr\d])\]\]\s?,?\-?\s?)\[\[(\d{1,4})\]\](.?.?.?.?.?.?)\[\[(\d{1,4})\]\]([^\[]{4})/gi, '$1$2$3$4$5');

    //year: check for line-ends, text on left, avoid links on right. Run twice to deal better with lists.
    txt.value = txt.value.replace(/([\w\(\);=:.'\*\|\&]\s?,?\-?\s?|\n)\[\[(\d{1,4})\]\]([^\[]{4}|\n)/gi, '$1$2$3');
    txt.value = txt.value.replace(/([\w\(\);=:.'\*\|\&]\s?,?\-?\s?|\n)\[\[(\d{1,4})\]\]([^\[]{4}|\n)/gi, '$1$2$3');
    //year pair: check for line-ends, text on left, avoid links on right
    txt.value = txt.value.replace(/([\w\(\);=:.'\*\|\&]\s?,?\-?\s?)\[\[(\d{1,4})\]\](.?.?.?.?.?.?)\[\[(\d{1,4})\]\]([^\[]{4}|\n)/gi, '$1$2$3$4$5');

    //year: avoid links on left, examine characters in link on right for date
    txt.value = txt.value.replace(/([^\]]{4})\[\[(\d{1,4})\]\](\s?,?\-?\s?\[\[(?:[^jfmasond\d]|.[^aepuco\d\s]|..[^jfmasondbrylgptvc \s\-]))/gi, '$1$2$3');
    //year pair: avoid links on left, examine characters in link on right for date
    txt.value = txt.value.replace(/([^\]]{4})\[\[(\d{1,4})\]\](.?.?.?.?.?.?)\[\[(\d{1,4})\]\](\s?,?\-?\s?\[\[(?:[^jfmasond\d]|.[^aepuco\d\s]|..[^jfmasondbrylgptvc \s\-]))/gi, '$1$2$3$4$5');

    //year:avoid links on left, text on right
    txt.value = txt.value.replace(/([^\]]{4})\[\[(\d{1,4})\]\](\s?,?\-?\s?[\w\(\);=:.'\*\|\&])/gi, '$1$2$3');
    //year pair: avoid links on left, text on right
    txt.value = txt.value.replace(/([^\]]{4})\[\[(\d{1,4})\]\](.?.?.?.?.?.?)\[\[(\d{1,4})\]\](\s?,?\-?\s?[\w\(\);=:.'\*\|\&])/gi, '$1$2$3$4$5');

    //year:text on left, text on right
    txt.value = txt.value.replace(/([\w\(\);=:.'\*\|\&]\s?,?\-?\s?)\[\[(\d{1,4})\]\](\s?,?\-?\s?[\w\(\);=:.'\*\|\&])/gi, '$1$2$3');
    //year pair: avoid links on left, text on right
    txt.value = txt.value.replace(/([\w\(\);=:.'\*\|\&]\s?,?\-?\s?)\[\[(\d{1,4})\]\](.?.?.?.?.?.?)\[\[(\d{1,4})\]\](\s?,?\-?\s?[\w\(\);=:.'\*\|\&])/gi, '$1$2$3$4$5');

    //year:avoid links on left, hyphen but no digits (to avoid ISO date) in link on right. Currently suspended because it isn't fully tested.
    //txt.value = txt.value.replace(/([^\]]{4})\[\[(\d{1,4})\]\](\s?,?\-?\s?\[\[[^\d])/gi, '$1$2$3');

    //year:avoid links on both sides
    txt.value = txt.value.replace(/([^\]]{4})\[\[(\d{1,4})\]\]([^\[]{4})/gi, '$1$2$3');
    //year pair: avoid links on both sides
    txt.value = txt.value.replace(/([^\]]{4})\[\[(\d{1,4})\]\](.?.?.?.?.?.?)\[\[(\d{1,4})\]\]([^\[]{4})/gi, '$1$2$3$4$5');

    // Add a tag to the summary box
    var txt = document.editform.wpSummary;
    var summary = "dates and numbers per [[WP:DATE]]";
	if (txt.value.indexOf(summary) == -1) {
		if (txt.value.match(/[^\*\/\s][^\/\s]?\s*$/)) {
			txt.value += ", ";
		}
		txt.value += summary;
	}

    // Press the diff button to check it
    document.editform.wpDiff.click()
}

$(function () {
    if(document.forms.editform) {
        addLink('p-cactions', 'javascript:pagefix()', 'pagefix', 'ca-unitfixer', 'Fixes some date and unit formatting', '', '');
    }
});