Hi, I've created this page of reserved keywords for the Processing Wiki, before to have realized you can't edit nor register to the Processing wiki. If anyone can find it useful, here it is:

1. ==Structure==
   *catch[http://processing.org/reference/catch.html]
   *class[http://processing.org/reference/class.html]
   *delay()[http://processing.org/reference/delay_.html]
   *draw()[http://processing.org/reference/draw_.html]
   *exit()[http://processing.org/reference/exit_.html]
   *extends[http://processing.org/reference/extends.html]
   *false[http://processing.org/reference/false.html]
   *final[http://processing.org/reference/final.html]
   *implements[http://processing.org/reference/implements.html]
   *import[http://processing.org/reference/import.html]
   *loop()[http://processing.org/reference/loop_.html]
   *new[http://processing.org/reference/new.html]
   *noLoop()[http://processing.org/reference/noLoop_.html]
   *null[http://processing.org/reference/null.html]
   *popStyle()[http://processing.org/reference/popStyle_.html]
   *private[http://processing.org/reference/private.html]
   *public[http://processing.org/reference/public.html]
   *pushStyle()[http://processing.org/reference/pushStyle_.html]
   *redraw()[http://processing.org/reference/redraw_.html]
   *return[http://processing.org/reference/return.html]
   *setup()[http://processing.org/reference/setup_.html]
   *size()[http://processing.org/reference/size_.html]
   *static[http://processing.org/reference/static.html]
   *super[http://processing.org/reference/super.html]
   *this[http://processing.org/reference/this.html]
   *true[http://processing.org/reference/true.html]
   *try[http://processing.org/reference/try.html]
   *void[http://processing.org/reference/void.html]
   
   ==Environment==
   *cursor()[http://processing.org/reference/cursor_.html]
   *focused[http://processing.org/reference/focused.html]
   *frameCount[http://processing.org/reference/frameCount.html]
   *frameRate()[http://processing.org/reference/frameRate_.html]
   *frameRate[http://processing.org/reference/frameRate.html]
   *height[http://processing.org/reference/height.html]
   *noCursor()[http://processing.org/reference/noCursor_.html]
   *online[http://processing.org/reference/online.html]
   *screen[http://processing.org/reference/screen.html]
   *width[http://processing.org/reference/width.html]
   
   ==Data==
   ===Primitive===
   *boolean[http://processing.org/reference/boolean.html]
   *byte[http://processing.org/reference/byte.html]
   *char[http://processing.org/reference/char.html]
   *color[http://processing.org/reference/color.html]
   *double[http://processing.org/reference/double.html]
   *float[http://processing.org/reference/float.html]
   *int[http://processing.org/reference/int.html]
   *long[http://processing.org/reference/long.html]
   ===Composite===
   *Array[http://processing.org/reference/Array.html]
   *ArrayList[http://processing.org/reference/ArrayList.html]
   *HashMap[http://processing.org/reference/HashMap.html]
   *Object[http://processing.org/reference/Object.html]
   *String[http://processing.org/reference/String.html]
   *XMLElement[http://processing.org/reference/XMLElement.html]
   ===Conversion===
   *binary()[http://processing.org/reference/binary_.html]
   *boolean()[http://processing.org/reference/boolean_.html]
   *byte()[http://processing.org/reference/byte_.html]
   *char()[http://processing.org/reference/char_.html]
   *float()[http://processing.org/reference/float_.html]
   *hex()[http://processing.org/reference/hex_.html]
   *int()[http://processing.org/reference/int_.html]
   *str()[http://processing.org/reference/str_.html]
   *unbinary()[http://processing.org/reference/unbinary_.html]
   *unhex()[http://processing.org/reference/unhex_.html]
   ===String Functions===
   *join()[http://processing.org/reference/join_.html]
   *match()[http://processing.org/reference/match_.html]
   *matchAll()[http://processing.org/reference/matchAll_.html]
   *nf()[http://processing.org/reference/nf_.html]
   *nfc()[http://processing.org/reference/nfc_.html]
   *nfp()[http://processing.org/reference/nfp_.html]
   *nfs()[http://processing.org/reference/nfs_.html]
   *split()[http://processing.org/reference/split_.html]
   *splitTokens()[http://processing.org/reference/splitTokens_.html]
   *trim()[http://processing.org/reference/trim_.html]
   *Array Functions[http://processing.org/reference/Array Functions.html]
   *append()[http://processing.org/reference/append_.html]
   *arrayCopy()[http://processing.org/reference/arrayCopy_.html]
   *concat()[http://processing.org/reference/concat_.html]
   *expand()[http://processing.org/reference/expand_.html]
   *reverse()[http://processing.org/reference/reverse_.html]
   *shorten()[http://processing.org/reference/shorten_.html]
   *sort()[http://processing.org/reference/sort_.html]
   *splice()[http://processing.org/reference/splice_.html]
   *subset()[http://processing.org/reference/subset_.html]
   
   ==Control==
   ===Iteration===
   *for[http://processing.org/reference/for.html]
   *while[http://processing.org/reference/while.html]
   ===Conditionals===
   *break[http://processing.org/reference/break.html]
   *case[http://processing.org/reference/case.html]
   *continue[http://processing.org/reference/continue.html]
   *default[http://processing.org/reference/default.html]
   *else[http://processing.org/reference/else.html]
   *if[http://processing.org/reference/if.html]
   *switch()[http://processing.org/reference/switch_.html]
   
   ==Shape==
   *PShape[http://processing.org/reference/PShape.html]
   ===2D Primitives===
   *arc()[http://processing.org/reference/arc_.html]
   *ellipse()[http://processing.org/reference/ellipse_.html]
   *line()[http://processing.org/reference/line_.html]
   *point()[http://processing.org/reference/point_.html]
   *quad()[http://processing.org/reference/quad_.html]
   *rect()[http://processing.org/reference/rect_.html]
   *triangle()[http://processing.org/reference/triangle_.html]
   ===Curves===
   *bezier()[http://processing.org/reference/bezier_.html]
   *bezierDetail()[http://processing.org/reference/bezierDetail_.html]
   *bezierPoint()[http://processing.org/reference/bezierPoint_.html]
   *bezierTangent()[http://processing.org/reference/bezierTangent_.html]
   *curve()[http://processing.org/reference/curve_.html]
   *curveDetail()[http://processing.org/reference/curveDetail_.html]
   *curvePoint()[http://processing.org/reference/curvePoint_.html]
   *curveTangent()[http://processing.org/reference/curveTangent_.html]
   *curveTightness()[http://processing.org/reference/curveTightness_.html]
   ===3D Primitives===
   *box()[http://processing.org/reference/box_.html]
   *sphere()[http://processing.org/reference/sphere_.html]
   *sphereDetail()[http://processing.org/reference/sphereDetail_.html]
   ===Attributes===
   *ellipseMode()[http://processing.org/reference/ellipseMode_.html]
   *noSmooth()[http://processing.org/reference/noSmooth_.html]
   *rectMode()[http://processing.org/reference/rectMode_.html]
   *smooth()[http://processing.org/reference/smooth_.html]
   *strokeCap()[http://processing.org/reference/strokeCap_.html]
   *strokeJoin()[http://processing.org/reference/strokeJoin_.html]
   *strokeWeight()[http://processing.org/reference/strokeWeight_.html]
   ===Vertex===
   *beginShape()[http://processing.org/reference/beginShape_.html]
   *bezierVertex()[http://processing.org/reference/bezierVertex_.html]
   *curveVertex()[http://processing.org/reference/curveVertex_.html]
   *endShape()[http://processing.org/reference/endShape_.html]
   *texture()[http://processing.org/reference/texture_.html]
   *textureMode()[http://processing.org/reference/textureMode_.html]
   *vertex()[http://processing.org/reference/vertex_.html]
   ===Loading & Displaying===
   *loadShape()[http://processing.org/reference/loadShape_.html]
   *shape()[http://processing.org/reference/shape_.html]
   *shapeMode()[http://processing.org/reference/shapeMode_.html]
   
   ==Input==
   ===Mouse===
   *mouseButton[http://processing.org/reference/mouseButton.html]
   *mouseClicked()[http://processing.org/reference/mouseClicked_.html]
   *mouseDragged()[http://processing.org/reference/mouseDragged_.html]
   *mouseMoved()[http://processing.org/reference/mouseMoved_.html]
   *mousePressed()[http://processing.org/reference/mousePressed_.html]
   *mousePressed[http://processing.org/reference/mousePressed.html]
   *mouseReleased()[http://processing.org/reference/mouseReleased_.html]
   *mouseX[http://processing.org/reference/mouseX.html]
   *mouseY[http://processing.org/reference/mouseY.html]
   *pmouseX[http://processing.org/reference/pmouseX.html]
   *pmouseY[http://processing.org/reference/pmouseY.html]
   ===Keyboard===
   *key[http://processing.org/reference/key.html]
   *keyCode[http://processing.org/reference/keyCode.html]
   *keyPressed()[http://processing.org/reference/keyPressed_.html]
   *keyPressed[http://processing.org/reference/keyPressed.html]
   *keyReleased()[http://processing.org/reference/keyReleased_.html]
   *keyTyped()[http://processing.org/reference/keyTyped_.html]
   ===Files===
   *BufferedReader[http://processing.org/reference/BufferedReader.html]
   *createInput()[http://processing.org/reference/createInput_.html]
   *createReader()[http://processing.org/reference/createReader_.html]
   *loadBytes()[http://processing.org/reference/loadBytes_.html]
   *loadStrings()[http://processing.org/reference/loadStrings_.html]
   *open()[http://processing.org/reference/open_.html]
   *selectFolder()[http://processing.org/reference/selectFolder_.html]
   *selectInput()[http://processing.org/reference/selectInput_.html]
   ===Web===
   *link()[http://processing.org/reference/link_.html]
   *param()[http://processing.org/reference/param_.html]
   *status()[http://processing.org/reference/status_.html]
   ===Time & Date===
   *day()[http://processing.org/reference/day_.html]
   *hour()[http://processing.org/reference/hour_.html]
   *millis()[http://processing.org/reference/millis_.html]
   *minute()[http://processing.org/reference/minute_.html]
   *month()[http://processing.org/reference/month_.html]
   *second()[http://processing.org/reference/second_.html]
   *year()[http://processing.org/reference/year_.html]
   
   ==Output==
   ===Text Area===
   *print()[http://processing.org/reference/print_.html]
   *println()[http://processing.org/reference/println_.html]
   ===Image===
   *save()[http://processing.org/reference/save_.html]
   *saveFrame()[http://processing.org/reference/saveFrame_.html]
   ===Files===
   *PrintWriter[http://processing.org/reference/PrintWriter.html]
   *beginRaw()[http://processing.org/reference/beginRaw_.html]
   *beginRecord()[http://processing.org/reference/beginRecord_.html]
   *createOutput()[http://processing.org/reference/createOutput_.html]
   *createWriter()[http://processing.org/reference/createWriter_.html]
   *endRaw()[http://processing.org/reference/endRaw_.html]
   *endRecord()[http://processing.org/reference/endRecord_.html]
   *saveBytes()[http://processing.org/reference/saveBytes_.html]
   *saveStream()[http://processing.org/reference/saveStream_.html]
   *saveStrings()[http://processing.org/reference/saveStrings_.html]
   *selectOutput()[http://processing.org/reference/selectOutput_.html]
   
   ==Transform==
   *applyMatrix()[http://processing.org/reference/applyMatrix_.html]
   *popMatrix()[http://processing.org/reference/popMatrix_.html]
   *printMatrix()[http://processing.org/reference/printMatrix_.html]
   *pushMatrix()[http://processing.org/reference/pushMatrix_.html]
   *resetMatrix()[http://processing.org/reference/resetMatrix_.html]
   *rotate()[http://processing.org/reference/rotate_.html]
   *rotateX()[http://processing.org/reference/rotateX_.html]
   *rotateY()[http://processing.org/reference/rotateY_.html]
   *rotateZ()[http://processing.org/reference/rotateZ_.html]
   *scale()[http://processing.org/reference/scale_.html]
   *shearX()[http://processing.org/reference/shearX_.html]
   *shearY()[http://processing.org/reference/shearY_.html]
   *translate()[http://processing.org/reference/translate_.html]
   
   ==Lights, Camera==
   ===Lights===
   *ambientLight()[http://processing.org/reference/ambientLight_.html]
   *directionalLight()[http://processing.org/reference/directionalLight_.html]
   *lightFalloff()[http://processing.org/reference/lightFalloff_.html]
   *lightSpecular()[http://processing.org/reference/lightSpecular_.html]
   *lights()[http://processing.org/reference/lights_.html]
   *noLights()[http://processing.org/reference/noLights_.html]
   *normal()[http://processing.org/reference/normal_.html]
   *pointLight()[http://processing.org/reference/pointLight_.html]
   *spotLight()[http://processing.org/reference/spotLight_.html]
   ===Camera===
   *beginCamera()[http://processing.org/reference/beginCamera_.html]
   *camera()[http://processing.org/reference/camera_.html]
   *endCamera()[http://processing.org/reference/endCamera_.html]
   *frustum()[http://processing.org/reference/frustum_.html]
   *ortho()[http://processing.org/reference/ortho_.html]
   *perspective()[http://processing.org/reference/perspective_.html]
   *printCamera()[http://processing.org/reference/printCamera_.html]
   *printProjection()[http://processing.org/reference/printProjection_.html]
   ===Coordinates===
   *modelX()[http://processing.org/reference/modelX_.html]
   *modelY()[http://processing.org/reference/modelY_.html]
   *modelZ()[http://processing.org/reference/modelZ_.html]
   *screenX()[http://processing.org/reference/screenX_.html]
   *screenY()[http://processing.org/reference/screenY_.html]
   *screenZ()[http://processing.org/reference/screenZ_.html]
   ===Material Properties===
   *ambient()[http://processing.org/reference/ambient_.html]
   *emissive()[http://processing.org/reference/emissive_.html]
   *shininess()[http://processing.org/reference/shininess_.html]
   *specular()[http://processing.org/reference/specular_.html]
   
   ==Color==
   ===Setting===
   *background()[http://processing.org/reference/background_.html]
   *colorMode()[http://processing.org/reference/colorMode_.html]
   *fill()[http://processing.org/reference/fill_.html]
   *noFill()[http://processing.org/reference/noFill_.html]
   *noStroke()[http://processing.org/reference/noStroke_.html]
   *stroke()[http://processing.org/reference/stroke_.html]
   ===Creating & Reading===
   *alpha()[http://processing.org/reference/alpha_.html]
   *blendColor()[http://processing.org/reference/blendColor_.html]
   *blue()[http://processing.org/reference/blue_.html]
   *brightness()[http://processing.org/reference/brightness_.html]
   *color()[http://processing.org/reference/color_.html]
   *green()[http://processing.org/reference/green_.html]
   *hue()[http://processing.org/reference/hue_.html]
   *lerpColor()[http://processing.org/reference/lerpColor_.html]
   *red()[http://processing.org/reference/red_.html]
   *saturation()[http://processing.org/reference/saturation_.html]
   ===Image===
   *PImage[http://processing.org/reference/PImage.html]
   *createImage()[http://processing.org/reference/createImage_.html]
   ===Loading & Displaying===
   *image()[http://processing.org/reference/image_.html]
   *imageMode()[http://processing.org/reference/imageMode_.html]
   *loadImage()[http://processing.org/reference/loadImage_.html]
   *noTint()[http://processing.org/reference/noTint_.html]
   *requestImage()[http://processing.org/reference/requestImage_.html]
   *tint()[http://processing.org/reference/tint_.html]
   ===Pixels===
   *blend()[http://processing.org/reference/blend_.html]
   *copy()[http://processing.org/reference/copy_.html]
   *filter()[http://processing.org/reference/filter_.html]
   *get()[http://processing.org/reference/get_.html]
   *loadPixels()[http://processing.org/reference/loadPixels_.html]
   *pixels[][http://processing.org/reference/pixels[].html]
   *set()[http://processing.org/reference/set_.html]
   *updatePixels()[http://processing.org/reference/updatePixels_.html]
   
   ==Rendering==
   *PGraphics[http://processing.org/reference/PGraphics.html]
   *createGraphics()[http://processing.org/reference/createGraphics_.html]
   *hint()[http://processing.org/reference/hint_.html]
   
   ==Typography==
   *PFont[http://processing.org/reference/PFont.html]
   *Loading & Displaying[http://processing.org/reference/Loading & Displaying.html]
   *createFont()[http://processing.org/reference/createFont_.html]
   *loadFont()[http://processing.org/reference/loadFont_.html]
   *text()[http://processing.org/reference/text_.html]
   *textFont()[http://processing.org/reference/textFont_.html]
   ===Attributes===
   *textAlign()[http://processing.org/reference/textAlign_.html]
   *textLeading()[http://processing.org/reference/textLeading_.html]
   *textMode()[http://processing.org/reference/textMode_.html]
   *textSize()[http://processing.org/reference/textSize_.html]
   *textWidth()[http://processing.org/reference/textWidth_.html]
   ===Metrics===
   *textAscent()[http://processing.org/reference/textAscent_.html]
   *textDescent()[http://processing.org/reference/textDescent_.html]
   
   ==Math==
   *PVector[http://processing.org/reference/PVector.html]
   ===Calculation===
   *abs()[http://processing.org/reference/abs_.html]
   *ceil()[http://processing.org/reference/ceil_.html]
   *constrain()[http://processing.org/reference/constrain_.html]
   *dist()[http://processing.org/reference/dist_.html]
   *exp()[http://processing.org/reference/exp_.html]
   *floor()[http://processing.org/reference/floor_.html]
   *lerp()[http://processing.org/reference/lerp_.html]
   *log()[http://processing.org/reference/log_.html]
   *mag()[http://processing.org/reference/mag_.html]
   *map()[http://processing.org/reference/map_.html]
   *max()[http://processing.org/reference/max_.html]
   *min()[http://processing.org/reference/min_.html]
   *norm()[http://processing.org/reference/norm_.html]
   *pow()[http://processing.org/reference/pow_.html]
   *round()[http://processing.org/reference/round_.html]
   *sq()[http://processing.org/reference/sq_.html]
   *sqrt()[http://processing.org/reference/sqrt_.html]
   ===Trigonometry===
   *acos()[http://processing.org/reference/acos_.html]
   *asin()[http://processing.org/reference/asin_.html]
   *atan()[http://processing.org/reference/atan_.html]
   *atan2()[http://processing.org/reference/atan2_.html]
   *cos()[http://processing.org/reference/cos_.html]
   *degrees()[http://processing.org/reference/degrees_.html]
   *radians()[http://processing.org/reference/radians_.html]
   *sin()[http://processing.org/reference/sin_.html]
   *tan()[http://processing.org/reference/tan_.html]
   ===Random===
   *noise()[http://processing.org/reference/noise_.html]
   *noiseDetail()[http://processing.org/reference/noiseDetail_.html]
   *noiseSeed()[http://processing.org/reference/noiseSeed_.html]
   *random()[http://processing.org/reference/random_.html]
   *randomSeed()[http://processing.org/reference/randomSeed_.html]
   
   ==Constants==
   *HALF_PI (1.57079...)[http://processing.org/reference/HALF_PI.html]
   *PI (3.14159...)[http://processing.org/reference/PI.html]
   *QUARTER_PI (0.78539...)[http://processing.org/reference/QUARTER_PI.html]
   *TWO_PI (6.28318...)[http://processing.org/reference/TWO_PI.html]
   
   ==External links==
   *[http://processing.org/reference/ Processing.org Reference page]