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Web is a computer programming system created by Donald E. Knuth as the first implementation of what he called "literate programming": the idea that one could create software as works of literature, by embedding source code inside descriptive text, rather than the reverse (as is common practice in most programming languages), in an order that is convenient for exposition to human readers, rather than in the order demanded by the compiler.Web consists of two secondary programs: TANGLE, which produces compilable Pascal code from the source texts, and WEAVE, which produces nicely-formatted, printable documentation using TeX.
CWEB is a version of Web for the C programming language, while noweb is a separate literate programming tool, which is inspired by Web (as reflected in the name) and which is language agnostic.
The most significant programs written in Web are TeX and Metafont. Modern TeX distributions use another program Web2C to convert Web source to C.

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  1. R

    b/g orange drain down hose

    someone asking last week where to find that rubber/ orange drain down hose that british gas use?. well, in local hspc centre last week i saw a flyer and apparently rotten burger supply them in 10m length, not sure on price tho.;)
    • REDSAW
    • Thread
    • branch central code drain drain down flow gas head hose hot orange pressure price rubber supply system web
    • Replies: 9
    • Forum: Plumbing Jobs | The Job-board
  2. P

    'Water Hammer' wav (sound) file examples?

    Hi, does anyone have any recording or wav files of 'water hammer'? My problem (in my council) flat is the sound of a rasping, vibrating, low whining/screeching/groaning 'Tuba' that lasts for up to 2 seconds. It is horrible and keeps me awake night after night. At first I thought it was the...
    • parisblue
    • Thread
    • banging brass cistern difficult hammer high mains mobile noise pipe pressure problem sink sound tap taps tee valve wall water water hammer web website
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  3. S

    motorhome

    if anyone is interested or just wants a good laugh you can follow my exploits here building renee2
    • stevetheplumber
    • Thread
    • blog building camera convert gas head hose job pipe plumber plumbing problem size solar solar panels store system tap test van waste web work
    • Replies: 14
    • Forum: Plumbing Jobs | The Job-board
  4. A

    Maximum Height for Soil Branch to WC

    Hi All, Need some advice with regards to what has been installed in our new build. The main foul run enters the house through the floor in the downstairs WC. A branch connector comes off this to run to the WC in this bathroom with the run continuing up through the house as normal to a slate...
    • adh
    • Thread
    • 18mm branch building building regs building regulations connections drain height high maximum oil pan part h pipe plumber problem regulations seal soil soil pipe toilet trap wall water web
    • Replies: 12
    • Forum: Plumbing Jobs | The Job-board
  5. P

    Smile please

    Another reason to escape from that accursed country Police secretly snapping up to 14m drivers a day - Times Online
  6. G

    Honeywell thermostatic rad values problem

    Hi All Last week I had installed three new rads (all in the same area) - one with a Drayton and two with Honeywell thermostatic rad values (all others in the house are Drayton thermo valves). The problem is the Honeywell valves don't properly shut off.... ever, when in the cold/off...
    • georgeturner
    • Thread
    • boiling cold drayton efficiency fitting head heating honeywell hot installation manual plumber problem radiators temperature test thermostat thermostatic thermostatic valves valve valves web website
    • Replies: 12
    • Forum: Plumbing Jobs | The Job-board
  7. C

    fagor water heater safety valve dripping

    I have a apartment in portugal that has a 100 litre electric fagor water heater.On the cold feed pipe there is a sprung loaded safety valve.Once the water is heated up the safety valve starts to drip.normally when the taps are turned on in the apartment.This heater was installed around 12...
    • charlie2009
    • Thread
    • air cold combi drain dripping electric heater overflow pipe pipe pressure problem safe safety safety valve soil store system taps trap valve waste water water heater web
    • Replies: 6
    • Forum: Plumbing Jobs | The Job-board
  8. F

    Where are they now?

    Dontknowitall gave me this idea. Cheers mate :) It's a real benefit to possible new entrants to see the full picture of training to be a plumber or tradesman on the whole. If I could ask each of you to post a list of fellow trainees from your course (as you know of) and tell us what they are...
    • fuzzy
    • Thread
    • apprenticeship building gas hose industry jobs nvq nvq 2 oil pipe plumber plumbers plumbing plumbing company stock test tools training valve water web where work
    • Replies: 21
    • Forum: Plumbing Jobs | The Job-board
  9. R

    British Gas TOol Box

    I'm in need of desprete help. My van was broken into last night and my tool box was stolen together with other bits and pieces. The tool box in question is the one that BG engineers use. (blue one) Does anyone know where I could buy one. I've looked over the internet and no luck or if...
    • rodders09
    • Thread
    • bits boilers british british gas cheap comparison drain electricians gas gas engineer google hose internet parts plumbing sale sales storage store switch tool tools van wall web work
    • Replies: 27
    • Forum: Plumbing Jobs | The Job-board
  10. P

    Just a question

    Why is it in the UK combi boilers are just that, without hot water storage built into the boiler frame work Most of the combi type and normal boilers in France have an integral cylinder built into the boiler frame work, the cylinders are from 80 litres to 140 litres, and the boilers are...
    • Plouasne
    • Thread
    • boiler boilers central heating system combi cylinder fitting gas heater hot hot water hotwater merchants oil plumbers problem question radiators remove system taps unvented water water mains web
    • Replies: 14
    • Forum: Plumbing Jobs | The Job-board
  11. W

    Replacement Boiler - W/B 24Ri or 30CDi

    Hi folks, newbie here. We are installing a replacement boiler for our aged but reliable Myson Marathon 600B (17.3Kw output). We have decided on Worcester Bosch, mainly on reputation, but cannot decide which size. Our plumber reckons that the 24Ri (24Kw output) will be okay, but I'm thinking of...
    • wetwipe
    • Thread
    • 30cdi boiler boilers central heating system condensing difficult efficiency flow free heat loss hot hot water oil plumbers plumbing price radiators replacement replacement boiler system valves water web work y plan
    • Replies: 12
    • Forum: Plumbing Jobs | The Job-board
  12. R

    gas training video

    anyone know of any web-based video tutorials of gas appliance operation, gas valves, firing sequences etc suitable for gas studdies for a sight imapaired dislectic gas trainee please, with a good sense of smell?. :confused:
    • REDSAW
    • Thread
    • appliance gas gas training smell test train trainee training valves video web
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  13. M

    Glow Worm Ultrapower SXI

    Hi, We have a reasonable large house with a number of ensuites and are looking to replace our old glow worm with seperate hot water storage tank I did some searches on the web and here on the forum, but cannot find much on the ultrapower SXI what is the general perception on the unit are...
    • mcluma
    • Thread
    • bits boiler boilers cylinder flow glow glow worm glow-worm glowworm hot hot water hotwater install parts system tank temperature unvented water water storage tank web website worm
    • Replies: 5
    • Forum: Plumbing Jobs | The Job-board
  14. S

    Site pricing help please

    Hi all Got to give a local builder a price tomorrow and as all my work is usually domestic I would like a guide please. Price is for first house of five so I need to be fairly accurate Job - Ground floor copper from mains/combi boiler through house to downstairs toilet then upstairs - 4...
    • Sanke
    • Thread
    • bathroom boiler combi combi boiler copper guide help hose mains metal pipes please pressure price pricing return shower soil speedfit toilet web work
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  15. C

    Yellow pages, £300 well spent or not?

    Hello guys, I work as a plumber in London and have been considering advertising in the yellow pages, obviously its quite a lot of money but has anyone put an advert in for the year and did it bring much work? Any infor would be greatly appreciated, many thanks. All the best, Connor
    • Connor Williams
    • Thread
    • advertising boiler central heating system cheap city costs free google internet job london plumber plumbers register system waste web website work year yellow
    • Replies: 24
    • Forum: Plumbing Jobs | The Job-board
  16. J

    Hot water recirculation

    I'm interested to know if this is worthwhile as I have yet to complete my plumbing system. All the web info seems to be from USA. Seems to make sense if hot water immediately available, then less water down the drain. But maybe the cost of circulation pump electricity is a drawback. I'd like to...
    • jbolland
    • Thread
    • central central heating circulation copper cylinder drain heat loss heating hot hot water install pipe pipe size pipes plumbing power price pump secondary system timer water web yellow
    • Replies: 14
    • Forum: Plumbing Jobs | The Job-board
  17. I

    NVQ Level 2

    Hi Does anyone know how I complete my NVQ level 2 for plumbing I have just completed the Technical Certificate level 2. Is there a Training centre/college I can do this through? Thanks
    • iluvit
    • Thread
    • building city cold difficult employer hot job jobs leeds level level 2 london nvq nvq 2 olci plumbing price qualification self-employed skills technology tee trainee training web work
    • Replies: 34
    • Forum: Plumbing Jobs | The Job-board
  18. J

    wood burning stove problem with hot water circuit

    Recently installed wood burning stove - gravity fed indirect cylinder and pumped radiator circuit. Once the flow pipe from the boiler gets too hot to touch on most occasions the stove boiler starts hissing and the return pipe is always luke warm. To get around this problem we activate the pump...
    • jgray
    • Thread
    • air boiler burning circuit circulation cylinder fitting flow gravity high hot hot water indirect leak pipe pipes plumber plumbing problem radiator stove system vent water web work
    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
  19. A

    Buteline Pipe & Fittings

    Hi All, In the process of a new build and have come across Buteline as an alternative to PEX or copper for the plumbing. Have had a look at the pipe and fittings in the flesh and was quite impressed by the specifications and quality of fittings. I know it's expensive for the clamping tools...
    • adh
    • Thread
    • compare copper diy fitting fittings heating london merchants pipe pipes plumbing system tools web
    • Replies: 1
    • Forum: Plumbing Jobs | The Job-board
  20. Dan

    BTSC has gone into Administration

    http://www.ukplumbersforums.co.uk/plumbing-courses/8780-btsc-has-gone-into-administration.html#post50899
    • Dan
    • Thread
    • 6129 building button costs courses hose industry job jobs merchants plumber plumbers plumbing polish price trade train training web website work
    • Replies: 78
    • Forum: Plumbing Jobs | The Job-board
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