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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. S

    web addres

    has any one use this web address???: Buy Combi Boilers, System Boilers & More at Online Boilers there prices are well better of then my local plum supplier and plum centre !
  2. S

    CIPHE, what do you think?

    As I value other's opinions (allmost as much as my own lol), thought I'd ask you all what you think of CIPHE?
    • shorticus
    • Thread
    • apprenticeship bar bodies ciphe corgi costs gas gas safe heating high membership oftec plumber plumbers plumbing problem public safe store thank you trade wanted waste water web website work
    • Replies: 45
    • Forum: Plumbing Jobs | The Job-board
  3. M

    Plumbing Qualifications- Self Employed (sorry to post again)

    Hi there, this is my first post and hopefully many more to come. I have a query that has troubled me for some time. Basically i have completed my Level 2 in Plumbing 6129 at college a couple of years ago. Ive worked for a few plumbers on and off and have been travelling as i am young in the...
    • McNulty
    • Thread
    • 6129 again cheap costs employed free gas hose installers insurance level level 2 liability membership nvq oil plumber plumbers plumbing qualification qualifications sale self employed tiling unvented water web work
    • Replies: 16
    • Forum: Plumbing Jobs | The Job-board
  4. F

    what do i do now?!?!

    i have just finished my city and guilds plumbing course. this has set me up for my nvq. but i can find NO ONE in my area or surrounding willing to take me on so i could do the nvq. they either say their not looking to take on trainees/not looking for anyone/need to be gas safe etc. the college...
    • freeman1986
    • Thread
    • 6129 apprentice bits city city and guilds college courses gas gas safe guilds industry jobs nvq plumber plumbers plumbing plumbing course safe school self-employed tips trade training web work
    • Replies: 25
    • Forum: Plumbing Jobs | The Job-board
  5. A

    BS 6896 Radiant tube heaters

    Don't suppose any of you good people know where i can obtain a copy of BS6896? ideally for free but don't mind a reasonable cost. I refuse to pay the extortionate figures iv'e been quoted. Personally find it offensive what they charge for BS and IGE documents. No wonder there are so many iffy...
  6. K

    1GB internet phone use

    i know its not plumbing, but i'm a plumber and its my phone so i'm asking in here !! thinking of getting a new phone for private use only, so thought i might as well get an internet one, with virgin at the mo and can get 600mins, unlimited texts and 1GB of internet per month for £15, however...
  7. P

    ventilation

    a regular customer has asked me to fit a new flueless gas fire :eek: i dont want to fit it but i feel my hands are a bit tied if you know what i mean, i get a fair bit of work from him. my question is the ventilation i know is 100cm sq its the path i cant vent it between 2 rooms or it will...
    • pauls
    • Thread
    • appliance burner burner pressure cold flame gas gas fire high hose install job pressure price problem safety sealed test vent ventilation wall water web work
    • Replies: 22
    • Forum: Plumbing Jobs | The Job-board
  8. D

    Freezing Kerosene

    Just a quickie ... is it quite common? (I'm having difficulty with a boiler that keeps cutting out after around a minute - I'm thinking it's fuel starvation with a part frozen oil line.)
    • dontknowitall
    • Thread
    • 1970 boiler boilers cold filter flame flow freezing gas guage oil parts pipe pressure problem pump safe shape supply tank temperature training valve water web
    • Replies: 17
    • Forum: Plumbing Jobs | The Job-board
  9. C

    Calling Viessmann Experts: Flow Switch

    The situation: One of the first versions of Viessmann Vitoden 100 18kW regular boiler, powering ten rads in a two down, three up home. The boiler struggles to heat the home (when it's working) and the rads appear appropriately sized. Three times in the last nine months our engineers have had...
    • CMairiD
    • Thread
    • boiler boilers burner calling central heating system experts flow hot kitchen magna magnaclean mains metal not heating problem pump remove sink switch system technology temperature test viessmann water web
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  10. M

    baxi combi

    Hello all, went to a house the other day to fix a single cold rad,turned out to be a stuck TRV,so simple job.But customer complains that when she uses the shower,it keeps going from hot to cold, and when someone else is using it she hears the boiler keep cutting in and out. The boiler is a baxi...
    • malc
    • Thread
    • baxi boiler boilers cold combi costs fix gas gas safe hot job pressure pressure problem problem replacement shower single trv web work
    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
  11. C

    vaillant ecotec lpg conversion

    Any one know what the kit consists of for converting ecotec 630 system boiler to lpg? supplier forgot to send and I have installed the boiler here in France need to get up and running but no specific info in manual, other smaller ecotecs I have just needed to carry out pressure...
    • chauffagist
    • Thread
    • appliance boiler boilers combi combi boiler conversion convert diy eco ecotec gas job lpg manual potterton pressure reset system vaillant web
    • Replies: 5
    • Forum: Plumbing Jobs | The Job-board
  12. M

    fein multimaster or bosch gop 250ce

    Looking for advice here guys, i'm looking for a tool that will aid the gettin up of floorboards and have seen you guys talk about these tools.....one question...is there much difference between the 2??? i see the fein is more expensive but is it worth the extra?
  13. G

    Rads not so hot

    My rads are not so hot as they used to be. Have been told that they may need sentinal x 400. I have a combi boiler so how is this applied to the system and how long does it have to stay in system for and what do i have to do after. Please help as i need all the help i can get.
    • Grahammanu
    • Thread
    • air bleeding boiler circulation cold radiator combi combi boiler energy flow gas hot hot rads pipe pipe size pump room stat sludge starter system tap timer web
    • Replies: 14
    • Forum: Plumbing Jobs | The Job-board
  14. D

    Which mobile phone upgrade?

    I'm a lucky boy!! :cool::) My wife's suggested I buy a new mobile for Xmas (her present to me:):):D) and she thinks I should have something more than standard telephone talk, SMS text and photos. She thinks I might start using email on it or web access. I'm fairly computer savvy but when...
    • dontknowitall
    • Thread
    • button camera free google internet mobile phone plumbing screen text upgrade web which
    • Replies: 12
    • Forum: Plumbing Jobs | The Job-board
  15. R

    Sterling 40 st 109 boiler

    Can you pressurise the sterling 40st 109 boiler . I need to install an extra rad in the loft area for a friend so i need to pressurise the heating system. Can this be carried out with the boiler mentioned. Thanks in advance
    • richardd
    • Thread
    • boiler central heating system gas gas safe high install loft oil pressurise safe system web
    • Replies: 5
    • Forum: Plumbing Jobs | The Job-board
  16. O

    hmmmm what can i do on these quiet days waiting for a boiler to breakdown???

    hi all, just wondered if any of you guys have a second source of income to fall back on when it gets a bit quiet on the plumbing side? (not including the wifes income :)
    • obseen16
    • Thread
    • advertising boiler breakdown cheap cold condensate gas high job jobs oil overflow pipe pipes plumbing polish quiet school store these van waiting wall web work
    • Replies: 16
    • Forum: Plumbing Jobs | The Job-board
  17. J

    does anyone know where i can a manual for a Favel Milano 60 gas cooker?

    Hi guys does anyone know where i can get a manual for this cooker, i have spent 2 hours looking online with no sucess. not even the manufaturers web site has one unless i'm blind stupid or both ;o) any help would be most appreciated
  18. S

    boxing in external central heating pipework

    Hi all, I'm hoping someone can advise on the best way to insulate and box in some external central heating pipework. Don't ask why the pipes run outside, I don't even know myself, the plumber told my parents it had something to with not being able to drill through a lintel. Anyway it's done...
    • suedeheadwales
    • Thread
    • bathroom boxing building central central heating difficult energy external free heating inside insulation job merchants pipes pipework plumber plumbers plumbing polish wall water web wide work
    • Replies: 20
    • Forum: Plumbing Jobs | The Job-board
  19. P

    pressure check vailliant boilers

    what size screwdriver do you use to check the inlet pressure on the valliant boiler. the gas valve is so close to the side caseing its a squeeze to get a driver in i cant seem to find anything smaller than 75mm
  20. B

    vista print business cards

    just ordered cards off vista print (a week ago) but just noticed they can take a fortnight to arrive bloody hell they are slow and there web site is irretateing trying to sell me all sorts of crap don't like the way you don't get a overall price until you have paid then they tell you about...
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