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Diff for /mandoc/roff.7 between version 1.102 and 1.104

version 1.102, 2018/08/21 18:15:22 version 1.104, 2018/08/24 23:12:33
Line 1202  While evaluating the
Line 1202  While evaluating the
 the unit suffixes described below  the unit suffixes described below
 .Sx Scaling Widths  .Sx Scaling Widths
 are ignored.  are ignored.
 .It Ic \&it Ar expression macro  .It Ic \&itc Ar expression macro
 Set an input line trap, not counting lines ending with \ec.  Set an input line trap, not counting lines ending with \ec.
 Currently unsupported.  Currently unsupported.
 .It Ic \&IX Ar class keystring  .It Ic \&IX Ar class keystring
Line 1472  Currently ignored.
Line 1472  Currently ignored.
 Set the maximum stack depth for recursive macros.  Set the maximum stack depth for recursive macros.
 This is a Heirloom extension and currently ignored.  This is a Heirloom extension and currently ignored.
 .It Ic \&return Op Ar twice  .It Ic \&return Op Ar twice
 Exit a macro and return to the caller.  Exit the presently executed macro and return to the caller.
 Currently unsupported.  The argument is currently ignored.
 .It Ic \&rfschar Ar font glyph ...  .It Ic \&rfschar Ar font glyph ...
 Remove font-specific fallback glyph definitions.  Remove font-specific fallback glyph definitions.
 Currently unsupported.  Currently unsupported.
Line 1522  This is a Heirloom extension and currently ignored.
Line 1522  This is a Heirloom extension and currently ignored.
 Change the soft hyphen character.  Change the soft hyphen character.
 Currently ignored.  Currently ignored.
 .It Ic \&shift Op Ar number  .It Ic \&shift Op Ar number
 Shift macro arguments.  Shift macro arguments
 Currently unsupported.  .Ar number
   times, by default once: \e\e$i becomes what \e\e$i+number was.
   Also decrement \en(.$ by
   .Ar number .
 .It Ic \&sizes Ar size ...  .It Ic \&sizes Ar size ...
 Define permissible point sizes.  Define permissible point sizes.
 This is a groff extension and currently ignored.  This is a groff extension and currently ignored.
Line 1712  This is a Heirloom extension and currently ignored.
Line 1715  This is a Heirloom extension and currently ignored.
 Set a page location trap.  Set a page location trap.
 Currently unsupported.  Currently unsupported.
 .It Ic \&while Ar condition body  .It Ic \&while Ar condition body
 Repeated execution while a condition is true.  Repeated execution while a
 Currently unsupported.  .Ar condition
   is true, with syntax similar to
   .Ic \&if .
   Currently implemented with two restrictions: cannot nest,
   and each loop must start and end in the same scope.
 .It Ic \&write Oo \(dq Oc Ns Ar string  .It Ic \&write Oo \(dq Oc Ns Ar string
 Write to an open file.  Write to an open file.
 Ignored because insecure.  Ignored because insecure.
Line 2146  macro control character does not suppress output line 
Line 2153  macro control character does not suppress output line 
 .It  .It
 Diversions are not implemented,  Diversions are not implemented,
 and support for traps is very incomplete.  and support for traps is very incomplete.
 .It  
 While recursion is supported,  
 .Sx \&while  
 loops are not.  
 .El  .El
 .Pp  .Pp
 The special semantics of the  The special semantics of the
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Removed from v.1.102  
changed lines
  Added in v.1.104
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