+ + + + + + + +

+ +

Recto/verso printing, collating

+ +

Introduction to recto/verso printing +
- Macro list
Introduction to collating +
- The COLLATE macro

+ +

Introduction to recto/verso printing

+ +

+Recto/verso printing allows you to set up a mom document in such +a way that it can be printed on both sides of a printer sheet and +subsequently bound. +

+ +

+With recto/verso, mom automatically takes control of the following +aspects of alternating page layout: +

switching left and right margins (if they’re not equal)
switching the left and right parts of the default 3-part + headers + or + footers + (see the + General description of headers) +
switching + HEADER_RECTO + and + HEADER_VERSO + if user-defined, single string recto/verso headers + or footers are used in place of the default 3-part + headers or footers +
switching the page number position (if page numbers are not centred)

+
+ +

Recto/verso macros

RECTO_VERSO
FORCE_RECTO
SWITCH_HEADERS (also FOOTERS) + – switch starting position of the header parts (left and right) +

+ + + +

+Macro: RECTO_VERSO +

+ +

+If you want mom to set up alternating pages for recto/verso +printing, simply invoke RECTO_VERSO, with no argument, anywhere in +your document (most likely before +START). +

+ +

+Note: +Recto/verso always switches the left and right parts of +headers +or +footers +on odd/even pages. However, it only switches the left and right +margins if the margins aren’t equal. Consequently, it is +your responsibility to set the appropriate differing left and right +margins with +L_MARGIN +and +R_MARGIN +(prior to +START) +or with +DOC_LEFT_MARGIN +and +DOC_RIGHT_MARGIN +(before or after START). +

+ +

+Equally, recto/verso only switches the page number position if page +numbers aren’t centred, which means you have to set the page +number position with +PAGENUM_POS +(before or after START). +

+ + + +

+Macro: FORCE_RECTO +

+ +

+It is a common convention with two-sided printing to ensure that +cover pages, title pages, and chapters or major sections of a document +always begin on the recto side of a page. This sometimes +necessitates inserting a blank page before the start of a new +chapter or major section. +

+ +

+If you would like mom to take care of this for you automatically, +simply invoke FORCE_RECTO before the first +START +of the document. +

+ + + +

+Macro: SWITCH_HEADERS +

+ +

+SWITCH_HEADERS switches the location of the header left string +(by default, the author) and the header right string (by default, +the document title). If you don’t like mom’s default +placement of author and title, use SWITCH_HEADERS to reverse it. +

+ +

+SWITCH_HEADERS can also be useful in conjunction with +RECTO_VERSO. +The assumption of RECTO_VERSO is that the first page of a document +(i.e. recto/odd) represents the norm for header-left and header-right, +meaning that the second (and all subsequent verso/even) pages of the +document will reverse the order of header-left and header-right. +

+ +

+If mom’s behaviour in this matter is not what you want, simply +invoke SWITCH_HEADERS on the first page of your recto/verso document +to reverse her default treatment of header parts. The remainder of +your document (with respect to headers) will come out as you want. +

+ +

+ + + +

Introduction to collating

+ +

+Many people wisely keep chapters of a long work in separate +files, previewing or printing them as needed during the draft +phase. However, when it comes to the final version, mom requires +a single, collated file in order to keep track of page numbering +and recto/verso administration, generating tables of contents and +endnotes, ensuring that +docheaders +get printed correctly, and a host of other details. +

+ +

+The COLLATE macro, which can be used with any +DOCTYPE +except LETTER, lets you glue mom-formatted input files +together. You need only concatenate chapters into a single file +(most likely with cat(1)), and put +.COLLATE at the end of each concatenated chapter. +Assuming all the files begin with the required +reference macros +(metadata), style parameters, and +START, +each chapter will begin on a fresh page and behave as expected. +

+ +

+Even if you work with monolithic, multi-chapter files, every +chapter and its associated metadata plus .START +still needs to be preceded by .COLLATE. +

+ +

+Note: +COLLATE assumes you are collating documents/files with similar +type-style parameters hence there’s no need for PRINTSTYLE +to appear after COLLATE, although if you’re collating +documents that were created as separate files, chances are the +PRINTSTYLE’s already there. +

+ +

+Two words of caution: +

Do not collate documents of differing + PRINTSTYLES (i.e., don’t try to + collate a TYPESET document and TYPEWRITE + document). +
Use .DOC_FAMILY instead of + .FAMILY if, for some reason, you want to + change the family of all the document elements after + .COLLATE. .FAMILY, by itself, will + change the family of paragraph text only. +

+ + + +

collate

+ +

+Macro: COLLATE +

+ +

+The most basic (and most likely) collating situation looks like +this: +
+ + .COLLATE + .CHAPTER 17 + .START + +A slightly more complex version of the same thing, for chapters +that require their own titles, looks like this: +
+ + .COLLATE + .CHAPTER_TITLE "Geek Fatigue: Symptoms and Causes" + .START + +

+ +

+Tip: +If the last line of text before .COLLATE +falls too close to the bottom margin, or if the line is followed +by a macro likely to cause a linebreak (e.g. .LIST OFF or +.IQ), mom may output a superfluous blank page before +the start of the following document. +

+ +

+In order to avoid this, insert +.EL +after the last line of text, before .COLLATE and/or any +concluding macros. For example, +
+ + some concluding text.\c + .EL + .COLLATE + +or +
+ + some concluding text.\c + .EL + .LIST OFF + .COLLATE + +

+ +

+Note: +See the +two words of caution, +above. +

+ +

+ + + + + + + + +

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