Interdata_v6/usr/source/troff/doc/m0a

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SUMMARY AND INDEX
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.de mx
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.in
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..
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.h1 \s-1#\s+1 *
.fn
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*Values separated by "\fB;\fR" are for \*(NR and \*(TR respectively.
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\s-1#\s+1Notes are explained at the end of this Summary and Index
.ef
.mh
General Explanation
.mh
Font and Character Size Control
.bt
\fB&ps\fI\|\(+-N\fR	10\|point	previous	E	Point size; also \fB\es\fI\(+-N\fR.\(dg
.b1
\fB&ss\fI|N\fR	12\(sl36\|em	ignored	E	Space-character size
set to \fIN\fR\(sl36\|em.\(dg
.b1
\fB&cs\fI\|F\|N\|M\fR	off	-	P	Constant character
space (width)
mode (font \fIF\^\fR\^).\(dg
.b1
\fB&bd\fI|F|N\fR	off	-	P	Embolden font \fIF\fR by \fIN\fR\(mi1 units.\(dg
.b1
\fB&bd|S|\fIF|N\fR	off	-	P	Embolden Special Font when current font is \fIF\fR.\(dg
.fn
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\(dgNo effect in \*(NR.
.ef
.b1
\fB&ft\fI|F\fR	Roman	previous	E	Change to font
\fIF\fR|= \fIx\fR, \fIxx\fR, or 1-4.
Also \fB\ef\fIx\fR,\|\fB\ef(\fIxx\fR,\|\fB\ef\fIN\fR.
.b1
\fB&fp\fI|N|F\fR	R,I,B,S	ignored	-	Font named \fIF\fR mounted on physical position 1\(<=\fIN\fR\(<=4.
.mh
Page Control
.bt
\fB&pl\fI\|\(+-N\fR	11\|in	11\|in	\fBv\fR	Page length.
.b1
\fB&bp|\fI\(+-N\fR	\fIN\(eq\fR1	-	B\(dd,\fBv\fR	\
Eject current page; next page number \fIN\fR.
.fn
.sp.2
\(ddThe use of "\ \fB\'\fR\ " as control character (instead of "\fB.\fR")
suppresses the break function.
.ef
.b1
\fB&pn\fI|\(+-N	N\(eq\fR1	ignored	-	Next page number \fIN\fR.
.b1
\fB&po\fI|\(+-N\fR	0;|26\(sl27\|in	previous	\fBv\fR	Page offset.
.b1
\fB&ne\fI|N\fR	-	\fIN\(eq\fR1\fIV\fR	D,\fBv\fR	Need \fIN\fR vertical space (\fIV\fR = vertical spacing).
.b1
\fB&mk|\fIR\fR	none	internal	D	Mark current vertical place in register \fIR\fR.
.b1
\fB&rt\fI|\(+-N\fR	none	internal	D,\fBv\fR	Return \fI(upward only)\fR to marked vertical place.
.mh
Text Filling, Adjusting, and Centering
.bt
\fB&br\fR	-	-	B	Break.
.b1
.lg0
\fB&fi\fR	\(fill	-	B,E	Fill output lines.
.lg
.b1
\fB&nf\fR	fill	-	B,E	No filling or adjusting of output lines.
.b1
\fB&ad\fI|c\fR	adj,both	adjust	E	Adjust output lines with mode \fIc\fR.
.b1
\fB&na\fR	adjust	-	E	No output line adjusting.
.b1
\fB&ce\fI|N\fR	off	\fIN\(eq\fR1	B,E	Center following \fIN\fR input text lines.
.mh
Vertical Spacing
.bt
\fB&vs\fI|N\fR	1\(sl6in;12pts	previous	E,\fBp\fR	Vertical base line spacing (\fIV\fR\^).
.b1
\fB&ls\fI|N	N\(eq\fR1	previous	E	Output \fIN\(mi\fR1 \fIV\^\fRs after each text output line.
.b1
\fB&sp\fI|N\fR	-	\fIN\(eq\fR1\fIV\fR	B,\fBv\fR	Space \
vertical distance \fIN\fR \fIin either direction\fR.
.b1
\fB&sv\fI|N\fR	-	\fIN\(eq\fR1\fIV\fR	\fBv\fR	Save vertical distance \fIN\fR.
.b1
\fB&os\fR	-	-	-	Output saved vertical distance.
.b1
\fB&ns\fR	space	-	D	Turn no-space mode on.
.b1
\fB&rs\fR	-	-	D	Restore spacing; turn no-space mode off.
.mh
Line Length and Indenting
.bt
\fB&ll\fI|\(+-N\fR	6.5\|in	previous	E,\fBm\fR	Line length.
.b1
\fB&in\fI|\(+-N\fR	\fIN\(eq\fR\^0	previous	B,E,\fBm\fR	Indent.
.b1
\fB&ti\fI|\(+-N\fR	-	ignored	B,E,\fBm\fR	Temporary indent.
.mh
Macros, Strings, Diversion, and Position Traps
.bt
\fB&de\fI|xx|yy\fR	-	\fI.yy=\fB..\fR	-	Define or redefine macro \fIxx;\fR end at call of \fIyy\fR.
.b1
\fB&am\fI|xx|yy\fR	-	\fI.yy=\fB..\fR	-	Append to a macro.
.b1
\fB&ds\fI|xx|string\fR	-	ignored	-	Define a string \fIxx\fR containing \fIstring\fR.
.b1
\fB&as\fI|xx|string\fR	-	ignored	-	Append \fIstring\fR to string \fIxx\fR.
.b1
\fB&rm\fI|xx\fR	-	ignored	-	Remove request, macro, or string.
.b1
\fB&rn\fI|xx|yy\fR	-	ignored	-	Rename request, macro, or string \fIxx\fR to \fIyy\fR.
.b1
\fB&di\fI|xx\fR	-	end	D	Divert output to macro \fIxx\fR.
.b1
\fB&da\fI|xx\fR	-	end	D	Divert and append to \fIxx\fR.
.b1
\fB&wh\fI|N|xx\fR	-	-	\fBv\fR	Set location trap; negative is w.r.t. page bottom.
.b1
\fB&ch\fI|xx|N\fR	-	-	\fBv\fR	Change trap location.
.b1
\fB&dt\fI|N|xx\fR	-	off	D,\fBv\fR	Set a diversion trap.
.b1
\fB&it\fI|N|xx\fR	-	off	E	Set an input-line count trap.
.b1
\fB&em\fI|xx\fR	none	none	-	End macro is \fIxx\fI.
.mh
Number Registers
.bt
\fB&nr\fI|R|\(+-N|M\fR	-	\fBu\fR	Define and set number register \fIR\fR; auto-increment by \fIM\fR.
.b1
\fB&af\fI|R|c\fR	arabic	-	-	Assign format to register \fIR\fR (\fIc=\fB1\fR, \fBi\fR, \fBI\fR, \fBa\fR, \fBA\fR).
.b1
\fB&rr\fI|R\fR	-	-	-	Remove register \fIR\fR.
.mh
Tabs, Leaders, and Fields
.bt
\fB&ta\fI|Nt|...\fR	0.8;|0.5in	none	E,\fBm\fR	Tab settings; \fIleft\fR type, unless \fIt=\fBR\fR(right), \fBC\fR(centered).
.b1
\fB&tc\fI|c\fR	none	none	E	Tab repetition character.
.b1
\fB&lc\fI|c\fR	\fB.\fR	none	E	Leader repetition character.
.b1
\fB&fc\fI|a|b\fR	off	off	-	Set field delimiter \fIa\fR and pad character \fIb\fR.
.mh
Input and Output Conventions and Character Translations
.bt
\fB&ec\fI|c\fR	\e	\e	-	Set escape character.
.b1
\fB&eo\fR	on	-	-	Turn off escape character mechanism.
.b1
\fB&lg\fI|N\fR	-;\|on	on	-	Ligature mode
on if \fIN\fR>0.
.b1
\fB&ul\fI|N\fR	off	\fIN\(eq\fR1	E	Underline (italicize in \*(TR) \fIN\fR input lines.
.b1
\fB&cu\fI|N\fR	off	\fIN\(eq\fR1	E	Continuous underline in \*(NR; like \fBul\fR in \*(TR.
.b1
\fB&uf\fI|F\fR	Italic	Italic	-	Underline font set to \fIF\fR (to be switched to by \fBul\fR).
.b1
\fB&cc\fI|c\fR	\fB.	.\fR	E	Set control character to \fIc\fR.
.b1
\fB&c2\fI|c\fR	\fB\'	\'\fR	E	Set nobreak control character to \fIc\fR.
.b1
\fB&tr\fI|abcd....\fR	none	-	O	Translate \fIa\fR to \fIb\fR, etc. on output.
.mh
Local Horizontal and Vertical Motions, and the Width Function
.mh
Overstrike, Bracket, Line-drawing, and Zero-width Functions
.mh
Hyphenation.
.bt
\fB&nh\fR	hyphenate	-	E	No hyphenation.
.b1
\fB&hy\fI|N\fR	hyphenate	hyphenate	E	Hyphenate; \fIN =\fR mode.
.b1
\fB&hc\fI|c\fR	\fB\e%	\e%\fR	E	Hyphenation indicator character \fIc\fR.
.b1
\fB&hw\fI|word1|...\fR	ignored	-	Exception words.
.mh
Three Part Titles.
.bt
\fB&tl\fI|\'left\|\'center\|\'right\|\'\fR	-	-	Three part title.
.b1
\fB&pc\fI|c\fR	\fB%\fR	off	-	Page number character.
.b1
\fB&lt\fI|\(+-N\fR	6.5\|in	previous	E,\fBm\fR	Length of title.
.mh
Output Line Numbering.
.bt
\fB&nm\fI|\(+-N|M|S|I\fR	off	E	Number mode on or off, set parameters.
.b1
\fB&nn\fI|N\fR	-	\fIN\(eq\fR1	E	Do not number next \fIN\fR lines.
.mh
Conditional Acceptance of Input
.bt
\fB&if\fI|c|anything\fR		-	-	If condition \fIc\fR true, accept \fIanything\fR as input,
.b1
				for multi-line use \fI\e{anything\|\e}\fR.
.b1
\fB&if|!\fIc|anything\fR	-	-	If condition \fIc\fR false, accept \fIanything\fR.
.b1
\fB&if\fI|N|anything\fR	-	\fBu\fR	If expression \fIN\fR > 0, accept \fIanything\fR.
.b1
\fB&if|!\fIN|anything\fR	-	\fBu\fR	If expression \fIN\fR \(<= 0, accept \fIanything\fR.
.b1
\fB&if\fI|\|\'string1\|\'string2\|\'|anything\fR	-	If \fIstring1\fR identical to \fIstring2\fR,
accept \fIanything\fR.
.b1
\fB&if|!\fI\|\'string1\|\'string2\|\'|anything\fR	-	If \fIstring1\fR not identical to \fIstring2\fR,
accept \fIanything\fR.
.b1
\fB&ie\fI|c|anything\fR	-	\fBu\fR	If portion of if-else; all above forms (like \fBif\fR).
.b1
\fB&el\fI|anything\fR		-	-	Else portion of if-else.
.mh
Environment Switching.
.bt
\fB&ev\fI|N\fR	\fIN\(eq\fR0	previous	-	Environment switched (\fIpush down\fR).
.mh
Insertions from the Standard Input
.bt
\fB&rd\fI|prompt\fR\fR	-	\fIprompt=\s-1\fRBEL\s+1	-	Read insertion.
.b1
\fB&ex\fR	-	-	-	\
Exit from \*(NR\(sl\*(TR.
.mh
Input\(slOutput File Switching
.bt
\fB&so\fI|filename\fR		-	-	Switch source file \fI(push down)\fR.
.b1
\fB&nx\fI|filename\fR		end-of-file	-	Next file.
.b1
\fB&pi\fI|program\fR		-	-	Pipe output to \fIprogram\fR (\*(NR only).
.mh
Miscellaneous
.bt
\fB&mc\fI|c|N\fR	-	off	E,\fBm\fR	Set margin character \fIc\fR and separation \fIN\fR.
.b1
\fB&tm\fI|string\fR	-	newline	-	Print \fIstring\fR on terminal \
(\s-1UNIX\s+1 standard message output).
.b1
\fB&ig\fI|yy\fR	-	\fI.yy=\fB..\fR	-	Ignore till call of \fIyy\fR.
.b1
\fB&pm\fI|t\fR	-	all	-	Print macro names and sizes;
.b1
				if \fIt\fR present, print only total of sizes.
.b1
.lg0
\fB&fl\fR	-	-	B	Flush output buffer.
.lg
.mh
Output and Error Messages
.xx
.nf
.rm mx
.ftR
\l'\n(.lu'
.ftB
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.ta .3iC .6i
	Notes-
.xx
.ftR
	B	Request normally causes a break.
	D	Mode or relevant parameters associated with current diversion level.
	E	Relevant parameters are a part of the current environment.
	O	Must stay in effect until logical output.
	P	Mode must be still or again in effect at the time of physical output.
	\fBv\fR,\fBp\fR,\fBm\fR,\fBu\fR	Default scale indicator; if not specified, scale indicators are \fIignored\fR.
.so cross
.bp
.so escapes
.bp
.so registers
.in0
.fi